Wear-resistant copper-based alloy

Details Wear-resistant copper-based alloy Wear-resistant copper-based alloy

C - Chemistry, Metallurgy

22

C

C22C 9/06 (2006.01) B23K 35/30 (2006.01) B23K 9/04 (2006.01)

Patent

CA 2169513

A wear-resistant copper-based alloy includes 10.0 to 30.0% by weight Ni, 2.0 to 15.0% by weight Fe, 2.0 to 15.0% by weight Co, 0.5 to 5.0% by weight Si, 1.0 to 10.0% by weight Cr, 2.0 to 15.0% by weight at least one first optional element se- lected from the group consisting of Mo, Ti, Zr, Nb and V, at least one second optional element selected from the group consisting of C and O, and the balance of Cu and in- evitable impurities. A carbon content "X" and an oxygen content "Y" satisfy the fol- lowing relationships; namely: 0?"X"?0.5, 0?"Y"?0.05, and "Y"?(-0.8)("X")+0.04. The wear-resistant copper-based alloy enables to improve the toughness of weld bead, and to inhibit weld bead from cracking effectively in the solidifying process of a building-up operation.

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