C-TEC Constellium Technology Center

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B33Y 70/00 - Materials specially adapted for additive manufacturing 18
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma 16
C22C 1/04 - Making non-ferrous alloys by powder metallurgy 16
C22C 21/00 - Alloys based on aluminium 13
B33Y 10/00 - Processes of additive manufacturing 9
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Found results for  patents

1.

METHOD FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2023051279
Publication Number 2024/042291
Status In Force
Filing Date 2023-08-18
Publication Date 2024-02-29
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 21/00 - Alloys based on aluminium
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
  • B23K 1/00 - Soldering, e.g. brazing, or unsoldering
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C23C 24/02 - Coating starting from inorganic powder by application of pressure only
  • B33Y 80/00 - Products made by additive manufacturing
  • C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat

2.

PROCESS FOR MANUFACTURING AN ALUMINIUM ALLOY PART

      
Application Number FR2023050825
Publication Number 2023/237844
Status In Force
Filing Date 2023-06-09
Publication Date 2023-12-14
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • B22F 10/20 - Direct sintering or melting
  • B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 21/00 - Alloys based on aluminium
  • B23K 10/02 - Plasma welding
  • B23K 15/00 - Electron-beam welding or cutting
  • B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
  • B23K 26/342 - Build-up welding
  • C23C 24/00 - Coating starting from inorganic powder
  • C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat
  • C23C 24/04 - Impact or kinetic deposition of particles

3.

DEVICE AND METHOD FOR PREPARING COOLING WATER ON DEMAND

      
Application Number FR2023050139
Publication Number 2023/152437
Status In Force
Filing Date 2023-02-02
Publication Date 2023-08-17
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Hervieu, Pascal
  • Valentin, Bernard
  • Ortuno, José

Abstract

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.

IPC Classes  ?

  • B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
  • B22D 11/049 - Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for direct chill casting, e.g. electromagnetic casting
  • B22D 11/124 - Accessories for subsequent treating or working cast stock in situ for cooling
  • B22D 11/22 - Controlling or regulating processes or operations for cooling cast stock or mould
  • C02F 9/00 - Multistage treatment of water, waste water or sewage
  • C02F 1/20 - Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
  • C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • C02F 1/66 - Treatment of water, waste water, or sewage pH adjustment
  • C02F 1/68 - Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
  • C02F 103/02 - Non-contaminated water, e.g. for industrial water supply
  • C02F 103/16 - Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes

4.

METHOD FOR PRODUCING AN ALUMINIUM ALLOY PART IMPLEMENTING AN ADDITIVE MANUFACTURING TECHNIQUE WITH PREHEATING

      
Application Number FR2022050981
Publication Number 2022/208037
Status In Force
Filing Date 2022-05-24
Publication Date 2022-10-06
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Shahani, Ravi

Abstract

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.

IPC Classes  ?

  • B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
  • B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B22F 10/362 - Process control of energy beam parameters for preheating
  • C22C 21/00 - Alloys based on aluminium

5.

METHOD FOR PRODUCING AN ALUMINIUM ALLOY PART

      
Application Number FR2021050802
Publication Number 2021/156583
Status In Force
Filing Date 2021-05-10
Publication Date 2021-08-12
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Shahani, Ravi

Abstract

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.

IPC Classes  ?

  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 21/00 - Alloys based on aluminium
  • B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]

6.

METHOD FOR PRODUCING AN ALUMINIUM ALLOY PART

      
Application Number FR2021050800
Publication Number 2021/156582
Status In Force
Filing Date 2021-05-10
Publication Date 2021-08-12
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Shahani, Ravi

Abstract

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.

IPC Classes  ?

  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 21/00 - Alloys based on aluminium
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B33Y 80/00 - Products made by additive manufacturing
  • B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]

7.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2020052107
Publication Number 2021/099735
Status In Force
Filing Date 2020-11-18
Publication Date 2021-05-27
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Altenberend, Jochen
  • Shahani, Ravi

Abstract

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.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent

8.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2020050266
Publication Number 2020/165543
Status In Force
Filing Date 2020-02-13
Publication Date 2020-08-20
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Shahani, Ravi

Abstract

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.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22C 21/00 - Alloys based on aluminium
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

9.

METHOD FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2020050264
Publication Number 2020/165542
Status In Force
Filing Date 2020-02-13
Publication Date 2020-08-20
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22C 21/00 - Alloys based on aluminium
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

10.

METHOD FOR MANUFACTURING A PART FROM ALUMINIUM ALLOY, THE ALLOY COMPRISING AT LEAST ZIRCONIUM AND MAGNESIUM

      
Application Number FR2020050107
Publication Number 2020/152427
Status In Force
Filing Date 2020-01-24
Publication Date 2020-07-30
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Shahani, Ravi

Abstract

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.

IPC Classes  ?

  • C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
  • C22C 21/00 - Alloys based on aluminium
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B23K 26/342 - Build-up welding
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
  • C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent

11.

METHOD FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2020050108
Publication Number 2020/095009
Status In Force
Filing Date 2020-01-24
Publication Date 2020-05-14
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • C22C 21/00 - Alloys based on aluminium
  • B23K 26/342 - Build-up welding
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

12.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2019052346
Publication Number 2020/070451
Status In Force
Filing Date 2019-10-03
Publication Date 2020-04-09
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

13.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2019052347
Publication Number 2020/070452
Status In Force
Filing Date 2019-10-03
Publication Date 2020-04-09
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

14.

PROCESS FOR MANUFACTURING AN ALUMINIUM ALLOY PART

      
Application Number FR2019052348
Publication Number 2020/070453
Status In Force
Filing Date 2019-10-03
Publication Date 2020-04-09
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.≤

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

15.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2019052204
Publication Number 2020/058646
Status In Force
Filing Date 2019-09-19
Publication Date 2020-03-26
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
  • C22C 21/16 - Alloys based on aluminium with copper as the next major constituent with magnesium
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

16.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2019051685
Publication Number 2020/012098
Status In Force
Filing Date 2019-07-08
Publication Date 2020-01-16
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • C22C 21/00 - Alloys based on aluminium
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • B22F 3/10 - Sintering only

17.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2019051545
Publication Number 2020/002813
Status In Force
Filing Date 2019-06-24
Publication Date 2020-01-02
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Jarry, Philippe

Abstract

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.

IPC Classes  ?

  • C22C 21/00 - Alloys based on aluminium
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers

18.

PROCESS FOR MANUFACTURING AN ALUMINUM-CHROMIUM ALLOY PART

      
Application Number FR2019050269
Publication Number 2019/155165
Status In Force
Filing Date 2019-02-07
Publication Date 2019-08-15
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B22F 3/15 - Hot isostatic pressing
  • B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
  • C22C 21/00 - Alloys based on aluminium
  • B22F 3/24 - After-treatment of workpieces or articles
  • B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
  • C21D 1/18 - Hardening; Quenching with or without subsequent tempering
  • C21D 1/25 - Hardening, combined with annealing between 300 °C and 600 °C, i.e. heat refining ("Vergüten")
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

19.

PROCESS FOR MANUFACTURING ALUMINIUM ALLOY PARTS

      
Application Number FR2019050805
Publication Number 2019/155180
Status In Force
Filing Date 2019-04-05
Publication Date 2019-08-15
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor Chehab, Bechir

Abstract

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.

IPC Classes  ?

  • C22C 21/00 - Alloys based on aluminium
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • C22C 21/12 - Alloys based on aluminium with copper as the next major constituent
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B22F 3/10 - Sintering only

20.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2018051066
Publication Number 2018/206876
Status In Force
Filing Date 2018-04-26
Publication Date 2018-11-15
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Jarry, Philippe
  • Ledoux, Marine
  • Prigent, Jocelyn

Abstract

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.

IPC Classes  ?

  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 1/02 - Making non-ferrous alloys by melting
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing

21.

PROCESS FOR MANUFACTURING AN ALUMINUM ALLOY PART

      
Application Number FR2018050854
Publication Number 2018/189458
Status In Force
Filing Date 2018-04-05
Publication Date 2018-10-18
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Chehab, Bechir
  • Bes, Bernard
  • Chabriol, Christophe
  • Ledoux, Marine
  • Odievre, Thierry

Abstract

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%.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B23K 15/00 - Electron-beam welding or cutting
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 21/16 - Alloys based on aluminium with copper as the next major constituent with magnesium
  • B23K 26/342 - Build-up welding

22.

FLUID DEVICE WITH A METAL FOAM

      
Application Number FR2016053235
Publication Number 2017/098141
Status In Force
Filing Date 2016-12-07
Publication Date 2017-06-15
Owner C-TEC CONSTELLIUM TECHNOLOGY CENTER (France)
Inventor
  • Mathier, Vincent
  • Girard, Jérôme
  • Guy, Serge
  • Pluchon, Christian

Abstract

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.

IPC Classes  ?

  • F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
  • F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
  • F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal