Preform and production method therefor

Details Preform and production method therefor Preform and production method therefor

C - Chemistry, Metallurgy

04

B

C04B 35/76 (2006.01) B22D 19/14 (2006.01) C04B 35/111 (2006.01) C04B 35/632 (2006.01) C04B 40/02 (2006.01) C22C 1/10 (2006.01)

Patent

CA 2242756

For forming a preform of composite material, such as aluminum-based composite material (MMC) by using friction during the forming thereof, ceramic reinforcement, such as A1203 and binder are prepared, and the prepared reinforcement and the silanol group binder are put into a die for press forming. During the forming, polycondensation occurs due to frictional heat generated between the fibrous or grain-like particles of the reinforcement and the silanol group binder to harden it, thereby obtaining a preform in which the particles of the reinforcement are fixedly connected to one another.

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