Method of forming metal matrix composite bodies by a...

Details Method of forming metal matrix composite bodies by a... Method of forming metal matrix composite bodies by a...

C - Chemistry, Metallurgy

22

C

75/160, 22/175

C22C 1/02 (2006.01) B22D 18/06 (2006.01) B22D 19/00 (2006.01) C04B 35/65 (2006.01) C04B 41/45 (2006.01) C04B 41/51 (2006.01) C04B 41/81 (2006.01) C04B 41/88 (2006.01) C22C 1/10 (2006.01) C22C 32/00 (2006.01)

Patent

CA 2020672

- 57 - Abstract The present invention relates to a novel process for forming net or near net-shape metal matrix composite bodies. Particularly, a molten matrix metal is in contact with a filler material or a preform in the presence of a reactive atmosphere, at least at some point during the process, which permits molten matrix metal to react, at least partially or substantially completely, with the reactive atmosphere, thereby causing molten matrix metal to infiltrate the filler material or preform due to, at least in part, the creation of a self-generated vacuum. Such self- generated vacuum infiltration occurs without the application of any external pressure or vacuum. The molten matrix metal infiltrates the filler material up to at least a portion of a provided barrier means.

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