Copper based alloy for wear resistant sliding layer and sliding

Details Copper based alloy for wear resistant sliding layer and sliding Copper based alloy for wear resistant sliding layer and sliding

1993-03-30

1994-09-13

Roy, Upendra

Alloys or metallic compositions

Copper base

Nickel containing

420473, 420474, 420475, 420479, C22C 3000, C22C 900

Patent

active

053466683

ABSTRACT:
A Cu-based wear-resistant alloy of a sliding material consists essentially of, by weight, 10-35% Zn, 2-20% Pb, 1-10% Ni, 0.1-1% B and, as required, 0.5-10% of Sn. The alloy can be used under severe conditions of use at elevated speed and temperature with reduced risk of seizure and corrosion. The alloy can be produced by mixing Pb powder and Ni--B alloy powder with Cu--Zn powder or Cu--Zn--Sn alloy powder, or mixing Ni--B alloy powder with Cu--Zn--Pb alloy powder or Cu--Zn--Sn--Pb alloy powder. The alloy can be compacted and sintered to form a sliding member or a composite sliding member is obtained by sintering and integrating the alloy on a steel backing plate optionally having a surface plated with copper.

REFERENCES:
patent: 4206268 (1980-06-01), Roemer et al.
patent: 4505987 (1985-03-01), Yamada et al.
patent: 4632806 (1986-12-01), Morikawa et al.
patent: 5183637 (1993-02-01), Tanaka et al.
patent: 5246509 (1993-09-01), Kato et al.

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