High temperature abrasion resistant copper alloy

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

1996-03-05

2000-03-14

Chen, Vivian

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428615, 428651, 428654, 420469, 420489, 420495, B32B 1501, B32B 1504, B32B 1520

Patent

active

06037067&

ABSTRACT:
A laminate material comprising a metal substrate and a laser overlaid layer of a high temperature abrasion resistant copper alloy suitable for the material of engine parts such as valve seats and valve guides, wherein the copper alloy consists essentially of aluminum in an amount ranging from 1.0 to 15.0% by weight; at least one element selected from the group consisting of vanadium, niobium and tantalum in the group VB of the periodic table of elements, in an amount ranging from 0.1 to 5.0% by weight; and balance containing copper and impurities. The copper alloy has a structure in which at least one of intermetallic compounds is dispersed, each intermetallic compound contains at least one metal selected from the group consisting of aluminum and copper and at least one element selected from the group consisting of elements of the group VB of the periodic table. This copper alloy exhibits also high oxidation resistance and corrosion resistance at high temperatures.

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