A method for manufacturing a part (20) comprising a formation of successive metal layers (201…20n), which are stacked on one another, each layer being formed by depositing a filler metal (15, 25), energy being supplied to the filler metal in such a way that the filler metal melts and, upon solidification, constitutes said layer, the method being characterized in that the filler metal (15, 25) is an aluminum alloy comprising the following alloying elements (in % by weight): - at least one alloying element chosen from: Zr, Hf and Er, in a weight fraction of greater than or equal to 0.30 each and in total; - at least one alloying element chosen from: Cr, V, Ti and Mn, in a weight fraction of greater than 0.50% each and in total; - Fe, in a weight fraction of from 0.10% to 2.50%; - optionally Co, La, Ce, mischmetal, W, Ta, Mo, Nb, Ni, Cu, Ag, Si, Sc, Mg, Zn, Li, Nd, Y, Tm, Lu, Yb, Sr, Ba, Sb, Bi, Ca, P, B, In, Sn and impurities; the remainder being aluminum.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
1nn) that are stacked on one another, each layer being formed by depositing a filler metal (15, 25), energy being supplied to the filler metal in such a way that the filler metal melts and, upon solidification, constitutes said layer, the process being characterised in that the filler metal (15, 25) is an aluminum alloy comprising the following alloying elements (in wt.%): - at least one alloying element chosen from among: Zr, Hf and Er, in a weight fraction of greater than or equal to 0.30 each and in total; - at least one alloying element chosen from among: Co, La, Ce, mischmetal, W, Ta, Mo and Nb, in a weight fraction of at least 0.10 each and in total; and in a weight fraction of less than 5.00% each; and in a weight fraction of less than 7.00% in total; - optionally Fe, Ni, Si, Cu, Ag, Sc, Cr, V, Ti, Mn, Mg, Zn, Li, Nd, Y, Tm, Lu, Yb, Sr, Ba, Sb, Bi, Ca, P, B, In, Sn and impurities; the remainder being aluminium.
B23K 15/00 - Soudage ou découpage par faisceau d'électrons
B23K 20/12 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage la chaleur étant produite par friction; Soudage par friction
The invention relates to a preparation method for preparing cooling water which aims to reproduce a target cooling water by using at least two aqueous solutions selected from an industrial water solution, a cationic ion exchanger-treated water solution, a demineralised water solution and an aqueous solution containing Mg2+ and Ca2+ ions. The invention also relates to a casting method using the cooling water obtained according to the preparation method and to a casting device (100) comprising the preparation device.
B22D 11/00 - Coulée continue des métaux, c. à d. en longueur indéfinie
B22D 11/049 - Coulée continue des métaux, c. à d. en longueur indéfinie dans des moules sans fond pour la coulée à refroidissement direct, p.ex. coulée dans un champ électromagnétique
B22D 11/124 - Accessoires pour le traitement ultérieur ou le travail sur place des barres coulées pour le refroidissement
B22D 11/22 - Commande ou régulation des opérations ou du fonctionnement du refroidissement des barres coulées ou des moules
C02F 9/00 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/20 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dégazage, c. à d. par libération des gaz dissous
C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
C02F 1/66 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par neutralisation; Ajustage du pH
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p.ex. par addition d'oligo-éléments
C02F 103/02 - Eau non contaminée, p.ex. pour l'alimentation industrielle en eau
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c. à d. de la production, de la purification ou du traitement de métaux, p.ex. déchets de procédés électrolytiques
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201...20n), each layer being produced by depositing a metal (25) called filler metal, said method being characterized in that the part has a specific grain structure.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201...20n), each layer being produced by depositing a metal (25) called filler metal, said method being characterized in that the part has a specific grain structure.
The invention also relates to a part obtained by means of this method and an alternative method.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201...20n), each layer being produced by depositing a metal (25) called filler metal, said method being characterized in that the part has a specific grain structure.
The invention also relates to a part obtained by means of this method and an alternative method.
The alloy used in the additive manufacturing method of the invention makes it possible to obtain parts with exceptional properties.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201 . . . 20n), each layer being produced by depositing a metal (25) called filler metal, said filler metal consisting of an aluminium alloy comprising at least the following alloying elements:
Zr, in a mass fraction of 0.60 to 1.40%,
Mn, in a mass fraction of 2.00 to 5.00%,
Ni, in a mass fraction of 1.00 to 5.00%,
Cu, in a mass fraction of 1.00 to 5.00%.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201 . . . 20n), each layer being produced by depositing a metal (25) called filler metal, said filler metal consisting of an aluminium alloy comprising at least the following alloying elements:
Zr, in a mass fraction of 0.60 to 1.40%,
Mn, in a mass fraction of 2.00 to 5.00%,
Ni, in a mass fraction of 1.00 to 5.00%,
Cu, in a mass fraction of 1.00 to 5.00%.
The invention also relates to a part obtained by means of the method.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201 . . . 20n), each layer being produced by depositing a metal (25) called filler metal, said filler metal consisting of an aluminium alloy comprising at least the following alloying elements:
Zr, in a mass fraction of 0.60 to 1.40%,
Mn, in a mass fraction of 2.00 to 5.00%,
Ni, in a mass fraction of 1.00 to 5.00%,
Cu, in a mass fraction of 1.00 to 5.00%.
The invention also relates to a part obtained by means of the method.
The alloy used in the additive manufacturing method of the invention makes it possible to obtain parts with exceptional properties.
Process for manufacturing a part (20) including a formation of successive metal layers (201 . . . 20n), which are superimposed on each other, each layer being formed by depositing a filler metal (15, 25), the filler metal being subjected to a supply of energy so as to become molten and to constitute, upon solidifying, said layer, the process being characterized in that the filler metal (15, 25) is an aluminum alloy including the following alloy elements (% by weight);
Mg: 2.0%-5.0%;
Zr: 0.5%-1.0%;
Fe: 0.6%-3.0%;
optionally Zn: ≤0.5%;
optionally Cu: ≤0.5%;
other alloy elements, in total ≤4.0%, and individually ≤1.0%;
impurities: <0.05% individually, and in total <0.15%;
remainder aluminum.
C22C 21/06 - Alliages à base d'aluminium avec le magnésium comme second constituant majeur
C22F 1/047 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages d'alliages avec le magnésium comme second constituant majeur
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
Disclosed is a method for producing a part (20) comprising a formation of successive metal layers (201...20n), said layers being stacked on each other and each being formed by depositing an aluminium alloy (15), the aluminium alloy being subjected to an input of energy so as to become molten and, on solidifying, to form said layer, the method being characterised in that: - during production of the part, prior to the formation of each layer, the aluminium alloy powder is maintained at a temperature no lower than 25°C and below 160°C or between 300°C and 500°C; - the method comprises post-fabrication heat treatment applied to the part at a temperature between 300°C and 400°C; - post-fabrication heat treatment begins with an increase in temperature, the increase being implemented at a rate higher than 5°C per minute; - the method does not comprise dipping in solution followed by hardening.
Disclosed is a method for producing a part (20) comprising a formation of successive metal layers (201...20n), said layers being stacked on each other and each being formed by depositing an aluminium alloy (15), the aluminium alloy being subjected to an input of energy so as to become molten and, on solidifying, to form said layer, the method being characterised in that: - during production of the part, prior to the formation of each layer, the aluminium alloy powder is maintained at a temperature no lower than 25°C and below 160°C or between 300°C and 500°C; - the method comprises post-fabrication heat treatment applied to the part at a temperature between 300°C and 400°C; - post-fabrication heat treatment begins with an increase in temperature, the increase being implemented at a rate higher than 5°C per minute; - the method does not comprise dipping in solution followed by hardening.
The invention relates to a method for manufacturing a part including a formation of successive solid metallic layers (201 . . . 20n), superimposed on one another, each layer describing a pattern defined from a digital model (M), each layer being formed by the deposition of a metal (25), called filler metal, the filler metal being subjected to an energy input so as to melt and constitute, when solidifying, said layer, wherein the filler metal is in the form of a powder (25), whose exposure to an energy beam (32) results in melting followed by solidification so as to form a solid layer (201 . . . 20n), the method being characterized in that the filler metal (25) is an aluminum alloy comprising at least the following alloy elements:
Ni, according to a weight fraction from 1 to 8%, preferably from 2 to 7%;
Zr, according to a weight fraction from 0.3 à 3%, preferably from 0.5 to 2.5%;
optionally V, according to a weight fraction from 0 à 4%, preferably from 0.5 to 2%;
optionally Cu, according to a weight fraction from 0 à 7%, preferably from 2 to 7%;
optionally Fe, according to a weight fraction from 0 à 3%, preferably from 0.5 to 3%.
The invention relates to a method for manufacturing a part including a formation of successive solid metallic layers (201 . . . 20n), superimposed on one another, each layer describing a pattern defined from a digital model (M), each layer being formed by the deposition of a metal (25), called filler metal, the filler metal being subjected to an energy input so as to melt and constitute, when solidifying, said layer, wherein the filler metal is in the form of a powder (25), whose exposure to an energy beam (32) results in melting followed by solidification so as to form a solid layer (201 . . . 20n), the method being characterized in that the filler metal (25) is an aluminum alloy comprising at least the following alloy elements:
Ni, according to a weight fraction from 1 to 8%, preferably from 2 to 7%;
Zr, according to a weight fraction from 0.3 à 3%, preferably from 0.5 to 2.5%;
optionally V, according to a weight fraction from 0 à 4%, preferably from 0.5 to 2%;
optionally Cu, according to a weight fraction from 0 à 7%, preferably from 2 to 7%;
optionally Fe, according to a weight fraction from 0 à 3%, preferably from 0.5 to 3%.
The invention also relates to a part obtained by this method. The alloy used in the additive manufacturing method according to the invention, allows obtaining parts with remarkable features.
B33Y 40/20 - Posttraitement, p.ex. durcissement, revêtement ou polissage
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
A method for manufacturing a part (20) including a formation of successive metallic layers (201 . . . 20n), superimposed on one another, each layer being formed by the deposition of a filler metal (15, 25), the filler metal being subjected to an energy input so as to melt and constitute, when solidifying, said layer, the method being characterized in that the filler metal (15, 25) is an aluminum alloy including the following alloy elements (weight %):
Ni: >3% and ≤7%;
Fe: 0%-4%;
optionally Zr: ≤0.5%;
optionally Si: ≤0.5%;
optionally Cu: ≤1%;
optionally Mg: ≤0.5%;
other alloy elements: <0.1% individually, and <0.5% all in all;
impurities: <0.05% individually, and <0.15% all in all;
the remainder consisting of aluminum.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B33Y 40/20 - Posttraitement, p.ex. durcissement, revêtement ou polissage
An object of the invention is a method for manufacturing a part including a formation of successive metallic layers (201, . . . 20n), superimposed on one another, each layer being formed by the deposition of a filler metal (15, 35), the filler metal being subjected to an energy supply so as to melt and constitute, when solidifying, said layer, the method being characterized in that the filler metal (15, 35) is an aluminum alloy including the following alloy elements, in weight percents:
Mg: 0%-6%;
Zr: 0.7%-2.5%, preferably according to a first variant >1% and ≤2.5%; or preferably according to a second variant 0.7-2%; and possibly 0.7-1.6%; and possibly 0.7-1.4%; and possibly 0.8-1.4%; and possibly 0.8-1.2%;
at least one alloy element selected from Fe, Cu, Mn, Ni and/or La: at least 0.1%, preferably at least 0.25%, more preferably at least 0.5% per element;
impurities: <0.05% individually, and preferably <0.15% all in all.
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
B33Y 40/20 - Posttraitement, p.ex. durcissement, revêtement ou polissage
C22F 1/047 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages d'alliages avec le magnésium comme second constituant majeur
Process for manufacturing a part (20), comprising a formation of successive metal layers (201 . . . 20n) which are superimposed on each other, each layer describing a pattern which is defined on the basis of a numerical model (M), each layer being formed by the deposit of a filler metal (15, 25), the filler metal being subjected to a supply of energy so as to become molten and to constitute, upon solidifying, said layer, the process being characterised in that the filler metal (15, 25) is an aluminium alloy comprising the following alloy elements (% by weight): Cu: 5%-8%; Mg: 4%-8%; optionally Si: 0%-8%; optionally Zn: 0%-10%; and other elements: <2% individually, the other elements comprising: Sc and/or Fe and/or Mn and/or Ti and/or Zr and/or V and/or Cr and/or Ni; impurities: <0.05% individually, and in total <0.15%; the remainder being aluminium.
A method for manufacturing a part 20 including a formation of successive metallic layers (201 . . . 20n), superimposed on one another, each layer being formed by the deposition of a filler metal (15, 25), the filler metal being subjected to an energy input so as to melt and constitute, when solidifying, said layer, the method being characterized in that the filler metal (15, 25) is an aluminum alloy including the following alloy elements (weight %):
Zr: 0.5% to 2.5%, preferably according to a first variant 0.8 to 2.5%, more preferably 1 to 2.5%, still more preferably 1.3 to 2.5%; or preferably according to a second variant 0.5 to 2%, more preferably 0.6 to 1.8%, more preferably 0.6 to 1.6%, more preferably 0.7 to 1.5%, more preferably 0.8 to 1.5%, more preferably 0.9 to 1.5%, still more preferably 1 to 1.4%;
Fe: 0% to 3%, preferably 0.5% to 2.5%; preferably according to a first variant 0.8 to 2.5%, preferably 0.8 to 2%, more preferably 0.8 to 1.2; or preferably according to a second variant 1.5 to 2.5%, preferably 1.6 to 2.4%, more preferably 1.7 to 2.3%;
optionally Si: ≤0.3%, preferably ≤0.2%, more preferably ≤0.1%;
optionally Cu: ≤0.5%, preferably 0.05 to 0.5%, preferably 0.1 to 0.4%;
optionally Mg: ≤0.2%, preferably ≤0.1%, preferably <0.05%;
Other alloy elements <0.1% individually, and <0.5% all in all;
impurities: <0.05% individually, and <0.15% all in all; the remainder consisting of aluminum.
n). The process is characterized in that the solder (25) is an aluminum alloy comprising at least the following alloy elements: —Fe, in a weight fraction of from 1 to 3.7%, preferably from 1 to 3.6%; —Zr and/or Hf and/or Er and/or Sc and/or Ti, in a weight fraction of from 0.5 to 4%, preferably from 1 to 4%, more preferably from 1.5 to 3.5%, even more preferably from 1.5 to 2% each, and in a weight fraction of less than or equal to 4%, preferably less than or equal to 3%, more preferably less than or equal to 2% in total; —Si, in a weight fraction of from 0 to 4%, preferably from 0.5 to 3%; —V, in a weight fraction of from 0 to 4%, preferably from 0.5 to 3%. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable features.
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
B22F 12/41 - Moyens de rayonnement caractérisés par le type, p.ex. laser ou faisceau d’électrons
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
C21D 1/18 - Durcissement; Trempe avec ou sans revenu ultérieur
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
There is provided a method for manufacturing a part (20) including a formation of successive solid metal layers (201 . . . 20n), superimposed on one another, each layer describing a pattern defined from a digital model (M), each layer being formed by the deposition of a metal (25), referred to as a solder, the solder being subjected to an input of energy so as to melt and, in solidifying, to constitute said layer, wherein the solder takes the form of a powder (25), the exposure of which to an energy beam (32) results in melting followed by solidification so as to form a solid layer (201 . . . 20n).
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
C22C 21/14 - Alliages à base d'aluminium avec le cuivre comme second constituant majeur avec du silicium
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
The invention relates to a process for manufacturing a part, involving forming consecutive solid metal layers (201 . . . 20n) that are stacked on top of one another, each layer describing a pattern defined on the basis of a numerical model {M), each layer being formed by depositing a metal (25), referred to as filling metal, the filling metal being subjected to an input of energy so as to melt and constitute said layer upon solidifying, the filling metal being in the form of a powder (25) that is exposed to an energy beam (32), resulting in melting followed by solidification such that a solid layer (201 . . . 20n) is formed, the process being characterized in that the filling metal (25) is an aluminum alloy comprising at least the following alloying elements: —Ni, in a moiety of 1 to 6%, preferably 1 to 5.5%, more preferably 2 to 5.5%; —Cr, in a moiety of 1 to 7%, preferably 3 to 6.5%; —Zr, in a moiety of 0.5 to 4%, preferably 1 to 3%; —Fe, in a moiety of no more than 1%, preferably between 0.05 and 0.5%, more preferably between 0.1 and 0.3%; —Si, in a moiety of no more than 1%, preferably no more than 0.5%. The invention also relates to a part obtained by said process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts with remarkable features.
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22C 32/00 - Alliages non ferreux contenant entre 5 et 50% en poids d'oxydes, de carbures, de borures, de nitrures, de siliciures ou d'autres composés métalliques, p.ex. oxynitrures, sulfures, qu'ils soient soient ajoutés comme tels ou formés in situ
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B33Y 40/20 - Posttraitement, p.ex. durcissement, revêtement ou polissage
The invention relates to a process for manufacturing a part comprising a formation of successive solid metal layers (201 . . . 20n), superposed on one another, each layer describing a pattern defined using a numerical model (M), each layer being formed by the deposition of a metal (25), referred to as solder, the solder being subjected to an input of energy so as to start to melt and to constitute, by solidifying, said layer, wherein the solder takes the form of a powder (25), the exposure of which to an energy beam (32) results in melting followed by solidification so as to form a solid layer (201 . . . 20n), the process being characterized in that the solder (25) is an aluminium alloy comprising at least the following alloy elements: —Si; in a weight fraction of from 0 to 4%, preferably from 0.5% to 4%, more preferably from 1% to 4% and more preferably still from 1% to 3%; —Fe in a weight fraction of from 1% to 15%, preferably from 2% to 10%; —V in a fraction of from 0 to 5%, preferably from 0.5% to 5%, more preferentially from 1% to 5%, and more preferentially still from 1% to 3%; at least one element chosen from Ni, La and/or Co, in a weight fraction of from 0.5% to 15%, preferably from 1% to 10%, more preferably from 3% to 8% each for Ni and Co, in a weight fraction of from 1% to 10%, preferably from 3% to 8% for La, and in a weight fraction of less than or equal to 15%, preferably less than or equal to 12% in total. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts with remarkable characteristics.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B23K 26/34 - Soudage au laser pour des finalités autres que l’assemblage
B23K 26/354 - Travail par rayon laser, p.ex. soudage, découpage ou perçage pour le traitement de surface par fusion
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201?20n), each layer being produced by depositing a metal (25) called filler metal, and said method being characterized in that the part has a specific grain structure. The invention also relates to a part obtained by means of this method and an alternative method. The alloy used in the additive manufacturing method of the invention makes it possible to obtain parts with exceptional properties.
1nn), each layer being produced by depositing a metal (25) called filler metal, and said method being characterized in that the part has a specific grain structure. The invention also relates to a part obtained by means of this method and an alternative method. The alloy used in the additive manufacturing method of the invention makes it possible to obtain parts with exceptional properties.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201?20n), each layer being produced by depositing a metal (25) called filler metal, said filler metal consisting of an aluminium alloy comprising at least the following alloying elements: - Zr, in a mass fraction of 0,60 to 1.40%; - Mn, in a mass fraction of 2.00 to 5.00 %; - Ni, in a mass fraction of 1.00 to 5.00 %; - Cu, in a mass fraction of 1.00 to 5.00%. The invention also relates to a part obtained by means of this method. The alloy used in the additive manufacturing method of the invention makes it possible to obtain parts with exceptional properties.
The invention relates to a method for producing a part, comprising the production of successive solid metallic layers (201…20n), each layer being produced by depositing a metal (25) called filler metal, said filler metal consisting of an aluminium alloy comprising at least the following alloying elements: - Zr, in a mass fraction of 0,60 to 1.40%; - Mn, in a mass fraction of 2.00 to 5.00 %; - Ni, in a mass fraction of 1.00 to 5.00 %; - Cu, in a mass fraction of 1.00 to 5.00%. The invention also relates to a part obtained by means of this method. The alloy used in the additive manufacturing method of the invention makes it possible to obtain parts with exceptional properties.
The invention relates to a process for manufacturing a part comprising the formation of successive solid metal layers (201 . . . 20n) that are stacked on top of one another, each layer describing a pattern defined using a numerical model (M), each layer being formed by the deposition of a metal (25), referred to as solder, the solder being subjected to an input of energy so as to start to melt and to constitute, by solidifying, said layer, wherein the solder takes the form of a powder (25), the exposure of which to an energy beam (32) results in melting followed by solidification so as to form a solid layer (201 . . . 20n). The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable features.
B33Y 40/20 - Posttraitement, p.ex. durcissement, revêtement ou polissage
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
A process for manufacturing a part comprising a formation of successive metal layers, superimposed on one another, wherein each layer is formed by the deposition of a filler metal, the filler metal being subjected to an input of energy so as to melt and to constitute said layer by solidifying, the process being characterized in that the filler metal is an aluminium alloy comprising the following alloy elements (% by weight):—Fe: 2% to 8%, and preferably 2% to 6%, more preferentially 3% to 5%;—optionally Zr: 0.5% to 2.5% or 0.5% to 2% or 0.7% to 1.5%;—optionally Si: <1%, or even <0.5% or even <0.2% or even <0.05%;—optionally Cu: 0.5%, or even <0.2%, or even <0.05%;—optionally Mg: 0.2%, preferably 0.1%, preferably <0.05%;—optionally other alloy elements <0.1% individually and in total <0.5%;—impurities: <0.05%, or even <0.01% individually, and in total <0.15%; remainder aluminium.
The invention relates to a process for manufacturing a part (20) comprising a formation of successive solid metal layers (201 . . . 20n), superimposed on one another, each layer describing a pattern defined from a numerical model (M), each layer being formed by the deposition of a metal (25), referred to as a filler metal, the filer metal being subjected to an input of energy so as to melt and constitute, by solidifying, said layer, wherein the filler metal takes the form of a powder (25), of which the exposure to an energy beam (32) results in a melting followed by a solidification in such a way as to form a solid layer (201, . . . 20n), the method being characterized in that the filler metal (25) is an aluminum alloy comprising at least the following alloying elements:
Si, according to a weight fraction from 4% to 20%;
Fe, according to a weight fraction from 2% to 15%.
The invention relates to a process for manufacturing a part (20) comprising a formation of successive solid metal layers (201 . . . 20n), superimposed on one another, each layer describing a pattern defined from a numerical model (M), each layer being formed by the deposition of a metal (25), referred to as a filler metal, the filer metal being subjected to an input of energy so as to melt and constitute, by solidifying, said layer, wherein the filler metal takes the form of a powder (25), of which the exposure to an energy beam (32) results in a melting followed by a solidification in such a way as to form a solid layer (201, . . . 20n), the method being characterized in that the filler metal (25) is an aluminum alloy comprising at least the following alloying elements:
Si, according to a weight fraction from 4% to 20%;
Fe, according to a weight fraction from 2% to 15%.
The invention also relates to a part obtained by this method. The alloy used in the additive manufacturing method according to the invention, makes it possible to obtain parts with remarkable mechanical performance, while still obtained a method of which the productivity is advantageous.
C22C 21/02 - Alliages à base d'aluminium avec le silicium comme second constituant majeur
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22F 1/043 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages d'alliages avec le silicium comme second constituant majeur
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
B23K 26/144 - Travail par rayon laser, p.ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p.ex. un jet de gaz, associé au faisceau laser; Buses à cet effet l'écoulement de fluide contenant des particules, p.ex. de la poudre
B23K 26/323 - Assemblage tenant compte des propriétés du matériau concerné faisant intervenir des parties faites de matériaux métalliques dissemblables
1nn) that are stacked on one another, each layer being formed by depositing a filler metal (15, 25), energy being supplied to the filler metal in such a way that the filler metal melts and, upon solidification, constitutes said layer, the process being characterized in that the filler metal (15, 25) is an aluminum alloy comprising the following alloying elements (in wt%): - Mg: 2.0%-5.0%; - Zr: 0.5% - 1.0%; - Fe: 0.6% - 3.0%; - optionally Zr: ≤ 0.5%; - optionally Cu: ≤ 0.5%; - other alloying elements: ≤ 1.0% individually and ≤ 4.0% overall; - impurities: < 0.05 % individually and < 0.15 % overall; - the remainder being aluminum.
The invention relates to a process for manufacturing a part, comprising the formation of successive solid metal layers (201 . . . 20n) that are stacked on one another, each layer describing a pattern defined from a numerical model (M)), each layer being formed by depositing a metal (25), referred to as filling metal, the filling metal being subjected to an input of energy so as to melt and form said layer by solidifying, in which process the filling metal is provided in the form of a powder (25), the exposure of which to an energy beam (32) results in melting followed by solidification such that a solid layer (201 . . . 20n) is formed, the process being characterized in that the filling metal (25) is an aluminum alloy comprising at least the following alloying elements: −2 to 10% by weight of Cr; −0 to 5% by weight, preferably 0.5 to 5% by weight, of Zr. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable mechanical properties, while obtaining a process that has an advantageous output.
1nn) placed on top of one another, each layer being formed by depositing a filler metal (15, 25) to which energy is supplied in such a way that it melts and, upon solidifying, constitutes said layer, the process being characterized in that the filler metal (15, 25) is an aluminum alloy comprising the following alloying elements (in wt %): -Ni: > 3% and ≤ 7%; - Fe: 0% -4%; - optionally Zr: ≤ 0.5%; - optionally Si: ≤ 0.5%; - optionally Cu: ≤ 1%; - optionally Mg: ≤ 0.5%, - other alloying elements: < 0.1 % individually, and < 0.5 % overall; - impurities: < 0.05 % individually, and < 0,15 % overall; the remainder being aluminum.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
1nn) superposed on one another, each layer being formed by depositing a filler metal (15, 25), energy being supplied to the filler metal in such a way that it melts and, upon solidifcation, constitutes said layer, the method being characterized in that the filler metal (15, 25) is an aluminum alloy comprising the following alloying elements (in wt %): Zr: 0.5% to 2.5%, preferably, according to a first variant, 0.8 to 2.5%, more preferably 1 to 2.5%, even more preferably 1.3 to 2.5%; or preferably, according to a second variant, 0.5 to 2%, more preferably 0.6 to 1.8%, more preferably 0.6 to 1.6%, more preferably 0.7 to 1.5%, more preferably 0.8 to 1.5%, more preferably 0.9 to 1.5%, even more preferably 1 to 1.4%; Fe: 0% to 3%, preferably 0.5 to 2.5%; preferably, according to a first variant, 0.8 to 2.5%, preferably 0.8 to 2%, more preferably 0.8 to 1.2%; or preferably, according to a second variant, 1.5 to 2.5%, preferably 1.6 to 2.4%, more preferably 1.7 to 2.3%; optionally Si: ≤ 0.3%, preferably ≤ 0.2%, more preferably ≤ 0.1%; optionally Cu: ≤ 0.5%, preferably 0.05 to 0.5%, preferably 0.1 to 0.4%; optionally Mg: ≤ 0.2%, preferably ≤ 0.1%, preferably < 0.05%; other alloying elements: < 0.1% individually, and in total < 0.5%; impurities: < 0.05% individually, and in total < 0.15%; the remainder being aluminum.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
29.
PROCEDE DE FABRICATION D'UNE PIECE EN ALLIAGE D'ALUMINIUM, L'ALLIAGE COMPORTANT AU MOINS DU ZIRCONIUM ET DU MAGNESIUM
The invention relates to a method for manufacturing a part comprising a formation of successive metal layers (201,....20n), superposed on one another, each layer being formed by depositing a filling metal, the filling metal being subjected to an input of energy so as to melt and to constitute the layer, by solidifying, the method being characterised in that the filling metal (15, 35) is an aluminium alloy comprising the following alloy elements, in percentages by weight: Mg: 0%-6%; Zr: 0.7%-2.5%, preferably according to a first variant >1% and <2.5%; or preferably according to a second variant 0.7-2%; or even 0.7-1.6%; or even 0.7-1.4%; or even 0.8-1.4%; or even 0.8-1.2%; at least one alloy element chosen from Fe, Cu, Mn, Ni and/or La: at least 0.1%, preferably at least 0.25%, more preferably at least 0.5% per element; impurities: <0.05% individually, and preferably <0.15% in total.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
C22F 1/047 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages d'alliages avec le magnésium comme second constituant majeur
30.
METHOD FOR MANUFACTURING A PART FROM ALUMINIUM ALLOY, THE ALLOY COMPRISING AT LEAST ZIRCONIUM AND MAGNESIUM
1nn), superposed on one another, each layer being formed by depositing a filling metal, the filling metal being subjected to an input of energy so as to melt and to constitute the layer, by solidifying, the method being characterised in that the filling metal (15, 35) is an aluminium alloy comprising the following alloy elements, in percentages by weight: Mg: 0%-6%; Zr: 0.7%-2.5%, preferably according to a first variant >1% and <2.5%; or preferably according to a second variant 0.7-2%; or even 0.7-1.6%; or even 0.7-1.4%; or even 0.8-1.4%; or even 0.8-1.2%; at least one alloy element chosen from Fe, Cu, Mn, Ni and/or La: at least 0.1%, preferably at least 0.25%, more preferably at least 0.5% per element; impurities: <0.05% individually, and preferably <0.15% in total.
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
C22F 1/047 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages d'alliages avec le magnésium comme second constituant majeur
The present invention relates to a process for manufacturing a part (20) comprising a formation of successive metal layers (201 . . . 20n), superimposed on one another, each layer describing a pattern defined from a numerical model, each layer being formed by the deposition of a metal (15, 25), referred to as a filling metal, the filling metal being subjected, at a pressure greater than 0.5 times the atmospheric pressure, to an input of energy so as to melt and constitute said layer, the process being characterized in that the filling metal is an aluminium alloy of the 2xxx series, comprising the following alloying elements:
Cu, in a weight fraction of between 3% and 7%;
Mg, in a weight fraction of between 0.1% and 0.8%;
at least one element, or at least two elements or even at least three elements chosen from:
Mn, in a weight fraction of between 0.1% and 2%, preferably of at most 1% and in a preferred manner of at most 0.8%;
Ti, in a weight fraction of between 0.01% and 2%, preferably of at most 1% and in a preferred manner of at most 0.3%;
V, in a weight fraction of between 0.05% and 2%, preferably of at most 1% and in the preferred manner of at most 0.3%;
Zr, in a weight fraction of between 0.05% and 2%, preferably of at most 1% and in a preferred manner of at most 0.3%;
Cr, in a weight fraction of between 0.05% and 2%, preferably of at most 1% and in the preferred manner of at most 0.3%; and
optionally at least one element, or at least two elements or even at least three elements chosen from:
Ag, in a weight fraction of between 0.1% and 0.8%;
Li, in a weight fraction of between 0.1% and 2%, preferably 0.5% and 1.5%;
Zn, in a weight fraction of between 0.1% and 0.8%.
B22F 7/00 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22F 1/057 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages d'alliages avec le cuivre comme second constituant majeur
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
B23K 15/00 - Soudage ou découpage par faisceau d'électrons
B23K 26/00 - Travail par rayon laser, p.ex. soudage, découpage ou perçage
C22C 21/16 - Alliages à base d'aluminium avec le cuivre comme second constituant majeur avec du magnésium
B23K 35/02 - Baguettes, électrodes, matériaux ou environnements utilisés pour le brasage, le soudage ou le découpage caractérisés par des propriétés mécaniques, p.ex. par la forme
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 3/24 - Traitement ultérieur des pièces ou objets
B33Y 80/00 - Produits obtenus par fabrication additive
The invention relates to a method for manufacturing a part (20) comprising a formation of successive metal layers (201... 20n) superposed on one another, each layer being formed by depositing a filler metal (15, 25), energy being supplied to the filler metal in such a way that it melts and, upon solidifcation, constitutes said layer, the method being characterized in that the filler metal (15, 25) is an aluminium alloy comprising the following alloy elements (in wt %): -Zr: 0.5 to 2.5%, preferably, according to a first variant, 0.8 to 2.5%, more preferably 1 to 2.5%, even more preferably 1.3 to 2.5%; or preferably, according to a second variant, 0.5 to 2%, more preferably 0.6 to 1.8%, more preferably 0.6 to 1.6%, more preferably 0.7 to 1.5%, more preferably 0.8 to 1.5%, more preferably 0.9 to 1.5%, even more preferably 1 to 1.4%; - Fe: 0% to 3%, preferably 0.5 to 2.5%; preferably, according to a first variant, 0.8 to 2.5%, preferably 0.8 to 2%, more preferably 0.8 to 1.2%; or preferably, according to a second variant, 1.5 to 2.5%, preferably 1.6 to 2.4%, more preferably 1.7 to 2.3%; - optionally Si: = 0.3%, preferably < 0.2%, more preferably < 0.1%; - optionally Cu: = 0.5%, preferably 0.05 to 0.5%, preferably 0.1 to 0.4%; - optionally Mg: = 0.2%, preferably < 0.1%, preferably < 0.05%; - other alloying elements: < 0.1% individually, and in total < 0.5%; - impurities: < 0,05 % individually, and in total < 0,15 %; the remainder being aluminium.
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
1nn) superposed on one another, each layer being formed by depositing a filler metal (15, 25), energy being supplied to the filler metal in such a way that it melts and, upon solidifcation, constitutes said layer, the method being characterized in that the filler metal (15, 25) is an aluminium alloy comprising the following alloy elements (in wt %): -Zr: 0.5 to 2.5%, preferably, according to a first variant, 0.8 to 2.5%, more preferably 1 to 2.5%, even more preferably 1.3 to 2.5%; or preferably, according to a second variant, 0.5 to 2%, more preferably 0.6 to 1.8%, more preferably 0.6 to 1.6%, more preferably 0.7 to 1.5%, more preferably 0.8 to 1.5%, more preferably 0.9 to 1.5%, even more preferably 1 to 1.4%; - Fe: 0% to 3%, preferably 0.5 to 2.5%; preferably, according to a first variant, 0.8 to 2.5%, preferably 0.8 to 2%, more preferably 0.8 to 1.2%; or preferably, according to a second variant, 1.5 to 2.5%, preferably 1.6 to 2.4%, more preferably 1.7 to 2.3%; - optionally Si: ≤ 0.3%, preferably < 0.2%, more preferably < 0.1%; - optionally Cu: ≤ 0.5%, preferably 0.05 to 0.5%, preferably 0.1 to 0.4%; - optionally Mg: ≤ 0.2%, preferably < 0.1%, preferably < 0.05%; - other alloying elements: < 0.1% individually, and in total < 0.5%; - impurities: < 0,05 % individually, and in total < 0,15 %; the remainder being aluminium.
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
1n1nn). The process is characterized in that the solder (25) is an aluminum alloy comprising at least the following alloy elements: - Fe, in a weight fraction of from 1 to 10 %, preferably from 2 to 8 %, more preferably from 2 to 5 %, even more preferably from 2 to 3.5 %; - Cr, in a weight fraction of from 1 to 10 %, preferably from 2 to 7 %, more preferably from 2 to 4 %; - optionally Zr and/or Hf and/or Er and/or Sc and/or Ti, in a weight fraction of up to 4 %, preferably from 0.5 to 4 %, more preferably from 1 to 3 %, even more preferably from 1 to 2 % each, and in a weight fraction of less than or equal to 4 %, preferably less than or equal to 3 %, more preferably less than or equal to 2 % in total; - Si, in a weight fraction of less than or equal to 1 %, preferably less than or equal to 0.5 %. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable features.
1n1nn). The process is characterized in that the solder (25) is an aluminum alloy comprising at least the following alloy elements: - Fe, in a weight fraction of from 1 to 3.7 %, preferably from 1 to 3.6 %; - Zr and/or Hf and/or Er and/or Sc and/or Ti, in a weight fraction of from 0.5 to 4 %, preferably from 1 to 4 %, more preferably from 1.5 to 3.5 %, even more preferably from 1.5 to 2 % each, and in a weight fraction of less than or equal to 4 %, preferably less than or equal to 3 %, more preferably less than or equal to 2 % in total; - Si, in a weight fraction of from 0 to 4 %, preferably from 0.5 to 3 %; - V, in a weight fraction of from 0 to 4 %, preferably from 0.5 to 3 %. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable features.
ii...20n), superimposed on one another, wherein each layer is formed by the deposition of a filler metal (15, 25), the filler metal being subjected to an input of energy so as to melt and to constitute said layer by solidifying, the process being characterized in that the filler metal (15, 25) is an aluminium alloy comprising the following alloy elements (% by weight): - Fe: 2% to 8%, and preferably 2% to 6%, more preferentially 3% to 5%; - optionally Zr: 0.5% to 2.5% or 0.5% to 2% or 0.7% to 1.5%; - optionally Si: < 1 %, or even <0.5% or even < 0.2% or even < 0.05%; - optionally Cu: ≤ 0.5%, or even < 0.2%, or even < 0.05%; - optionally Mg: ≤ 0.2%, preferably ≤ 0.1%, preferably < 0.05%; - optionally other alloy elements < 0.1% individually and in total < 0.5%; - impurities: < 0.05%, or even < 0.01% individually, and in total < 0.15%; remainder aluminium.≤
1nMM), each layer being formed by the deposit of a filler metal (15, 25), the filler metal being subjected to a supply of energy so as to become molten and to constitute, upon solidifying, said layer, the process being characterised in that the filler metal (15, 25) is an aluminium alloy comprising the following alloy elements (% by weight): Cu: 5% - 8%; Mg: 4% - 8%; optionally Si: 0% - 8 %; optionally Zn: 0% - 10%; and other elements: < 2% individually, the other elements comprising: Sc and/or Fe and/or Mn and/or Ti and/or Zr and/or V and/or Cr and/or Ni; impurities: < 0.05% individually, and in total < 0.15%; the remainder being aluminium.
C22C 21/06 - Alliages à base d'aluminium avec le magnésium comme second constituant majeur
C22C 21/16 - Alliages à base d'aluminium avec le cuivre comme second constituant majeur avec du magnésium
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p.ex. modélisation par dépôt de fil en fusion [FDM]
1n1nn) is formed, the process being characterized in that the filling metal (25) is an aluminum alloy comprising at least the following alloying elements: - Ni, in a moiety of 1 to 6%, preferably 1 to 5.5%, more preferably 2 to 5.5 %; - Cr, in a moiety of 1 to 7 %, preferably 3 to 6.5 %; - Zr, in a moiety of 0.5 to 4 %, preferably 1 to 3%; - Fe, in a moiety of no more than 1%, preferably between 0.05 and 0.5%, more preferably between 0.1 and 0.3%; - Si, in a moiety of no more than 1 %, preferably no more than 0.5 %. The invention also relates to a part obtained by said process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts with remarkable features.
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
The invention relates to a process for manufacturing a part comprising a formation of successive solid metal layers (20i...20n), superposed on one another, each layer describing a pattern defined using a numerical model {M), each layer being formed by the deposition of a metal (25), referred to as solder, the solder being subjected to an input of energy so as to start to melt and to constitute, by solidifying, said layer, wherein the solder takes the form of a powder (25), the exposure of which to an energy beam (32) results in melting followed by solidification so as to form a solid layer (20i...20n), the process being characterized in that the solder (25) is an aluminum alloy comprising at least the following alloy elements: - Si, in a weight fraction of from 0 to 4%, preferably from 0.5% to 4%, more preferentially from 1% to 4%, and more preferentially still from 1% to 3%; - Fe, in a weight fraction of from 1% to 15%, preferably from 2% to 10%; - V, in a weight fraction of from 0 to 5%, preferably from 0.5% to 5%, more preferentially from 1% to 5%, and more preferentially still from 1% to 3%; at least one element chosen from: Ni, La and/or Co, in a weight fraction of from 0.5% to 15%, preferably from 1% to 10%, more preferentially from 3% to 8% each for Ni and Co, in a weight fraction of from 1% to 10%, preferably from 3% to 8% for La, and in a weight fraction of less than or equal to 15%, preferably less than or equal to 12% in total. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts with remarkable characteristics.
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
B22F 7/02 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de couches successives
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
i.ninn), the process being characterized in that the solder (25) is an aluminum alloy comprising at least the following alloy elements: - Si, in a weight fraction of from 0 to 4%, preferably from 0.5% to 4%, more preferentially from 1% to 4%, and more preferentially still from 1% to 3%; - Fe, in a weight fraction of from 1% to 15%, preferably from 2% to 10%; - V, in a weight fraction of from 0 to 5%, preferably from 0.5% to 5%, more preferentially from 1% to 5%, and more preferentially still from 1% to 3%; at least one element chosen from: Ni, La and/or Co, in a weight fraction of from 0.5% to 15%, preferably from 1% to 10%, more preferentially from 3% to 8% each for Ni and Co, in a weight fraction of from 1% to 10%, preferably from 3% to 8% for La, and in a weight fraction of less than or equal to 15%, preferably less than or equal to 12% in total. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts with remarkable characteristics.
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 7/02 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de couches successives
The invention relates to a process for manufacturing parts (20), the process including the formation of successive, superimposed solid metal layers (201...20n), each layer describing a pattern defined on the basis of a numerical model (M), each layer being formed by a metal (25), the so-called filler metal, which is deposited and exposed to energy supplied so as to cause the filler metal to melt and to form, upon its solidification, the layer, in which process the filler metal is in the form of a powder (25) which, when exposed to an energy beam (32), melts and then solidifies, forming a solid layer (201...20n), the process being characterised in that the filler metal (25) is an aluminium alloy comprising at least the following alloying elements: Ni, in a proportion by mass of 1 to 6%, preferably 1 to 5%, more preferably 2 to 4%; Mn, in a proportion by mass of 1 to 7%, preferably 1 to 6%, more preferably 2 to 5%; Zr, in a proportion by mass of 0.5 t 4%, preferably 1 to 3%; Fe, in a proportion by mass of maximum 1%, preferably 0.05 to 0.5%, more preferably 0.1 to 0.3%; Si, in a proportion by mass of maximum 1%, preferably of maximum 0.5%. The invention also concerns a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable properties.
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
C22C 21/12 - Alliages à base d'aluminium avec le cuivre comme second constituant majeur
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
1nM)1nn) is formed, the process being characterized in that the filling metal (25) is an aluminum alloy comprising at least the following alloying elements: - 2 to 10% by weight of Cr; - 0 to 5% by weight, preferably 0.5 to 5% by weight, of Zr. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable mechanical properties, while obtaining a process that has an advantageous output.
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p.ex. pour former des outils à embouts rapportés
B22F 3/24 - Traitement ultérieur des pièces ou objets
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
C21D 1/18 - Durcissement; Trempe avec ou sans revenu ultérieur
C21D 1/25 - Durcissement combiné à un recuit entre 300 °C et 600 °C, c. à d. affinage à chaud dit "Vergüten"
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
1n1nn), the process being characterised in that the filler metal (25) is an aluminium alloy comprising at least the following alloying elements: Ni, in a proportion by mass of 1 to 6%, preferably 1 to 5%, more preferably 2 to 4%; Mn, in a proportion by mass of 1 to 7%, preferably 1 to 6%, more preferably 2 to 5%; Zr, in a proportion by mass of 0.5 t 4%, preferably 1 to 3%; Fe, in a proportion by mass of maximum 1%, preferably 0.05 to 0.5%, more preferably 0.1 to 0.3%; Si, in a proportion by mass of maximum 1%, preferably of maximum 0.5%. The invention also concerns a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable properties.
B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma
C22C 21/12 - Alliages à base d'aluminium avec le cuivre comme second constituant majeur
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
C22F 1/04 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid de l'aluminium ou de ses alliages
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Metal alloys used in additive manufacturing; metals in foil or powder form for 3D printers Additive manufacturing of metal components using metal alloys, for others
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Metal alloys used in additive manufacturing; metals in foil or powder form for 3D printers. Additive manufacturing of metal components using metal alloys.
The invention relates to a process for manufacturing a part (20) comprising a formation of successive solid metal layers (201…20n), superposed on one another, each layer describing a pattern defined from a numerical model (M), each layer being formed by the deposition of a metal (25), referred to as filling metal, the filling metal being subjected to an input of energy so as to melt and form, by solidifying, said layer, in which the filling metal takes the form of a powder (25), the exposure of which to an energy beam (32) results in melting followed by a solidification so as to form a solid layer (201 …20n), the process being characterized in that the filling metal (25) is an aluminum alloy comprising at least the following alloying elements: Si, in a weight fraction of from 4% to 20%; Fe, in a weight fraction of from 2% to 15%. The invention also relates to a part obtained by this process. The alloy used in the additive manufacturing process according to the invention makes it possible to obtain parts having remarkable mechanical performance, while obtaining a process that has an advantageous productivity.
The present invention relates to a process for manufacturing a part (20) comprising a formation of successive metal layers (201…20n), superimposed on one another, each layer describing a pattern defined from a numerical model, each layer being formed by the deposition of a metal (15, 25), referred to as filling metal, the filling metal being subjected, at a pressure greater than 0.5 times the atmospheric pressure, to an input of energy so as to melt and constitute said layer, the process being characterized in that the filling metal is an aluminium alloy of the 2xxx series, comprising the following alloying elements: - Cu, in a weight fraction of between 3% and 7%; - Mg, in a weight fraction of between 0.1% and 0.8%; - at least one element, or at least two elements or even at least three elements chosen from: • Mn, in a weight fraction of between 0.1% and 2%, preferably of at most 1% and in a preferred manner of at most 0.8%; • Ti, in a weight fraction of between 0.01% and 2%, preferably of at most 1% and in a preferred manner of at most 0.3%; • V, in a weight fraction of between 0.05% and 2%, preferably of at most 1% and in the preferred manner of at most 0.3%; • Zr, in a weight fraction of between 0.05% and 2%, preferably of at most 1% and in a preferred manner of at most 0.3%; • Cr, in a weight fraction of between 0.05% and 2%, preferably of at most 1% and in the preferred manner of at most 0.3%; and - optionally at least one element, or at least two elements or even at least three elements chosen from: • Ag, in a weight fraction of between 0.1% and 0.8%; • Li, in a weight fraction of between 0.1% and 2%, preferably 0.5% and 1.5%; • Zn, in a weight fraction of between 0.1% and 0.8%.
09 - Appareils et instruments scientifiques et électriques
Produits et services
ultrasonic inclusion detectors for detecting sulfides, nitrides, silicates, oxides, chemical compounds, and non-metallic particles for use in the measuring and quality-control analysis of liquid metals
The invention relates to a fluid device (1) comprising a housing (2) provided with a channel (3) defined by walls, one of which being a first main wall (10), the channel (3) extending between two openings, a so-called inlet (4A) and a so-called outlet (4B), and an open-pored porous medium in a metal material, a so-called metal foam (30), arranged in the channel (3) between said inlet (4A) and outlet (4B). The metal foam (30) and said first main wall (10) are made of a single component and consist of the same material, and the metal foam (30) has a random spatial distribution of the pores.
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Scientific and technological services as well as research
and design services relating thereto, in the aeronautics,
automotive and packaging fields; technical and industrial
analysis and research services, engineering, technical
project studies in the aeronautics, automotive and
packaging fields; research and development of new products
for others in the aeronautics, automotive and packaging
fields; industrial design; packaging design services.
