Copper-lead based bearing alloy material excellent in corrosion

Details Copper-lead based bearing alloy material excellent in corrosion Copper-lead based bearing alloy material excellent in corrosion

1994-04-12

1995-07-04

Walsh, Donald P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428546, 428548, 419 5, 419 8, 419 28, 419 29, B22F 316

Patent

active

054298768

ABSTRACT:
Disclosed is a copper-lead based bearing material having excellent corrosion resistance, comprising a steel back metal and a bearing layer of a copper-lead based bearing alloy, the latter consisting essentially, by weight, 0.5 to 10% Bi, 0.5 to 8% Sn, 15 to 30% Pb, 2 to 10% Ni, not greater than 0.2% P, the balance Cu and incidental impurities.
By adding Bi in a copper-lead based bearing alloy it becomes possible to obtain excellent corrosion resistance without impairing the conformability and seizure resistance of the bearing material in comparison with the conventional copper-lead based bearing alloys.

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patent: 4121928 (1978-10-01), Mori
patent: 4916026 (1990-04-01), Bergmann et al.
patent: 5328772 (1994-07-01), Tanaka et al.
patent: 5334460 (1994-08-01), Tanaka et al.
patent: 5346668 (1994-09-01), Tanaka et al.

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