ODS alloy powder, method for producing same by means of plasma treatment, and use thereof

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United States of America Patent

PATENT NO 12123079
APP PUB NO 20210230722A1
SERIAL NO

17052076

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Abstract

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A method for producing a reinforced alloy powder containing a metal matrix in which crystalline oxide particles are dispersed, including: (i) providing a powder mixture including a parent metal powder including a master alloy for forming the metal matrix and an additional powder including an intermediate; (ii) milling the powder mixture by a mechanical synthesis process to make a precursor powder; and (iii) subjecting the precursor powder to a thermal plasma generated by a plasma torch including a plasma gas. The master alloy is iron-based, nickel-based, or aluminum-based. The intermediate is at least one of YFe3, Y2O3, Fe2O3, Fe2Ti, FeCrWTi, TiH2, TiO2, Al2O3, HfO2, SiO2, ZrO2, ThO2, and MgO. In (iii), the precursor powder is injected into the plasma torch at a flow rate of 10-30 g/min, a power of the plasma torch is 20-40 kW, and a pressure in a reaction chamber of the plasma torch is 25-100 kPa.

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Patent Owner(s)

Patent OwnerAddress
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES75015 PARIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abdelkebir, Khalil Saint-Cyr-en-Val, FR 1 0
Giroux, Pierre-François Châtenay-Malabry, FR 5 2
Leconte, Yann Saint Remy les Chevreuse, FR 5 11
Lomello, Fernando Gif-sur-Yvette, FR 19 26
Maskrot, Hicham Montlhery, FR 20 41
Schuster, Frédéric St. Germain-en-Laye, FR 15 19
Vasquez, Elodie Montrouge, FR 1 0

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