Build-up wear-resistant copper alloy and valve seat

Details Build-up wear-resistant copper alloy and valve seat Build-up wear-resistant copper alloy and valve seat

2005-12-28

2010-12-14

Ip, Sikyin (Department: 1793)

Metal treatment

Stock

Age or precipitation hardened or strengthened

C148S435000, C420S487000, C420S488000

Reexamination Certificate

active

07850795

ABSTRACT:
While securing the building-up ability and crack resistance, to provide a build-up wear-resistant copper alloy and valve seat. The build-up wear-resistant copper alloy and valve seat are characterized by having a composition of nickel: 5.0-24.5%, iron: 3.0-20.0%, silicon: 0.5-5.0%, boron: 0.05-0.5%, chromium: 0.3-5.0%, one member or two members or more selected from the group consisting of molybdenum, tungsten and vanadium: 3.0-20.0%, by weight %, and the balance being copper and inevitable impurities.

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Tanaka et al., “Development of Laser Clad Valve Seat Alloys,” Toyota Chuo Kenkyusho R&D Rebyu, X, XX, vol. 28, No. 3, pp. 35-45, Sep. 1, 1993.

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