Powder forging of aluminium and its alloys

Details Powder forging of aluminium and its alloys Powder forging of aluminium and its alloys

C - Chemistry, Metallurgy

22

C

75/155, 75/166,

C22C 21/00 (2006.01) B22F 9/02 (2006.01) B22F 9/04 (2006.01) C22C 1/04 (2006.01)

Patent

CA 1220650

ABSTRACT OF THE DISCLOSURE POWDER FORGING OF ALUMINUM AND ITS ALLOYS This invention relates to (a) a powder of aluminium or an alloy thereof having at least 0.04%w/w of gallium concentrated on the grain boundaries of the particles in the powder, (b) a method of producing the powder by fragmenting a substrate of aluminium or an alloy thereof coated with gallium under a deforming stress, and (c) a method of forging the powder. The powder can be forged into complex shapes using fewer steps than hitherto possible especially with aluminium powders.

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