High temperature abrasion resistant copper alloy

Details High temperature abrasion resistant copper alloy High temperature abrasion resistant copper alloy

1997-09-15

2000-08-01

Ip, Sikyin

Metal treatment

Stock

Copper base

148435, 428416, C22C 901

Patent

active

060961422

ABSTRACT:
A high temperature abrasion resistant copper alloy suitable for the material of an engine parts such as valve seats and valve guides. The copper alloy comprises aluminum in an amount ranging from 1.0 to 5.0% by weight; at least one selected from vanadium, niobium and tantalum in the group Va of the periodic table of elements, in an amount ranging from 0.1 to 5.0% by weight; and balance including copper and impurities. The copper alloy has a texture in which at least one kind of intermetallic compounds is dispersed, each intermetallic compound kind containing aluminum, at least one selected from elements of the group Va of the periodic table, and silicon.

REFERENCES:
patent: 4915903 (1990-04-01), Brupbacher et al.
patent: 5069874 (1991-12-01), Shirosaki et al.
patent: 5468310 (1995-11-01), Fujiki et al.

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