A metal sintered body composite material and a method for...

Details A metal sintered body composite material and a method for... A metal sintered body composite material and a method for...

B - Operations, Transporting

22

F

B22F 3/26 (2006.01) C22C 33/02 (2006.01)

Patent

CA 2172029

A metal sintered body composite material which can exhibit superior seizure resistance even when light metal is softened, and a method for producing the same. The production method uses iron base raw material powder including C and one of Cr, Mo, V, W, Mn, and Si, and comprises the steps of forming and sintering a powder compressed article so as to obtain a porous metal sintered body having a space lattice structure having pores, impregnating the pores of the porous metal sintered body with an aluminum alloy and solidifying the aluminum alloy, applying aging treatment by heating and holding the composite material at an aging treatment temperature range, whereby a metal constituting the porous metal sintered body has a micro-Vickers hardness of 200 to 800. 49

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