Metal casting surface modification by powder impregnation

Details Metal casting surface modification by powder impregnation Metal casting surface modification by powder impregnation

B - Operations, Transporting

22

D

B22D 19/12 (2006.01) B22D 19/08 (2006.01)

Patent

CA 2086873

ABSTRACT OF THE DISCLOSURE A method for impregnating a metal product with a hard wear-resistant surface layer comprises providing a wear-resistant layer in the form of a partially sintered sheet having at least one peg formed therein; attaching the wear-resistant layer to a mold surface; and casting a metal melt so as to produce a metal product having a wear-resistant material surface layer. Preferably the mold surface is a sand core and the sheet has a hexagonal pattern molded therein so as to form a plurality of pegs.

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