Provided is a method for producing a titanium-containing electrodeposit, which can achieve good refinement by an electrodeposition without using the Kroll method. A method for producing a titanium-containing electrodeposit, including an electrodeposition step of electrodepositing a titanium-containing electrodeposit in a chloride bath, the chloride bath being a molten salt, using an anode including a TiAlO conductive material containing titanium, aluminum, and oxygen, and a cathode, wherein, in the electrodeposition step, a current density of the cathode is in a range of 0.3 A/cm2 or more and 2.0 A/cm2 or less, and wherein the chloride bath contains 1 mol% or more of a titanium subchloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
Provided is a metal titanium production method for producing metal titanium through molten salt electrolysis by using a conductive material containing titanium, aluminum, and oxygen. In this metal titanium production method, a refinement process comprises: a crude electrodeposition step for obtaining a titanium-containing electrodeposit TC by performing, in a chloride bath Bf, molten salt electrolysis using an electrode that contains a TiAlO conductive material; and at least one round of a refined electrodeposition step for performing, in a chloride bath Bf, molten salt electrolysis using an electrode that contains a titanium-containing electrodeposit TC. Regarding the chloride bath Bf used in the crude electrodeposition step and the chloride bath Bf used in the refined electrodeposition step, at least one of the chloride baths Bf contains 30 mol% or more of magnesium chloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
A method for producing a titanium foil according to the present invention includes an electrodeposition step of performing electrolysis with electrodes including an anode and a cathode using a molten salt bath comprising titanium ions and having at least one molten chloride to deposit metal titanium onto an electrolytic surface of the cathode, wherein the electrodeposition step includes maintaining a ratio of a molar concentration of titanium ions to the total molar concentration of metal ions in the molten salt bath at 7% or more, and maintaining a temperature of the molten salt bath at 510°C or less, and conducing a current to the electrodes under conditions where a continuous stop time of current conduction is less than 1.0 second, a current density is 0.10 A/cm2 or more and 1.0 A/cm2 or less, and a time for electrodepositing the metal titanium onto the electrolytic surface of the cathode is 120 minutes or less.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
C25D 3/66 - Electroplating; Baths therefor from melts
4.
TITANIUM POWDER, AND INGOT AND SINTERED ARTICLE OF TITANIUM POWDER
Provided are a titanium powder having excellent fluidity and shape retention properties, and an ingot and a sintered article obtained using the titanium powder as the starting material. The titanium powder has an average circularity of 0.815 or greater but less than 0.870, a particle diameter CV value of 22-30, and an angle of repose of 29-36°.
B22F 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22F 9/10 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
A nickel powder exhibits superior oxidation behavior, reduction behavior and sintering behavior in a production process for a multilayer ceramic capacitor and is suitable for the capacitor; a production method therefor is also provided. The nickel powder, which may be used as a raw material, is treated with a sulfur-containing compound, and the sulfur-containing compound is coated on the surface thereof, or alternatively, a nickel-sulfur compound layer is formed on the surface thereof.
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