Gas atomization synthesis of refractory or intermetallic compoun

Details Gas atomization synthesis of refractory or intermetallic compoun Gas atomization synthesis of refractory or intermetallic compoun

1993-04-13

1994-11-29

Roy, Uprendra

Metal treatment

Stock

75338, 148316, B22F 900, B22D 2300

Patent

active

053686578

ABSTRACT:
A metallic melt is atomized using a high pressure atomizing gas wherein the temperature of the melt and the composition of the atomizing gas are selected such that the gas and melt react in the atomization spray zone to form a refractory or intermetallic compound in the as-atomized powder particles.
A metallic melt is also atomized using a high pressure atomizing gas mixture gas wherein the temperature of the melt and the ratio of a reactive gas to a carrier gas are selected to form powder particles comprising a supersaturated solid solution of the atomic species of the reactive gas in the particles. The powder particles are then heat treated to precipitate dispersoids in-situ therein to form a dispersion strengthened material.

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