Multi-layered slide bearing material

Details Multi-layered slide bearing material Multi-layered slide bearing material

1994-11-29

1996-08-06

Nguyen, Ngoc-Yen

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

428677, 428675, 428645, B32B 1501

Patent

active

055432360

ABSTRACT:
A bearing material is produced by forming a Cu-Pb-system or Pb-bronze-system bearing alloy layer on a steel plate optionally plated with Cu, and forming a Pb alloy overlay containing Zn on the bearing alloy layer so as to enhance corrosion resistance and conformability of the bearing alloy layer. A Cu-Zn alloy layer of 0.5 to 10 .mu.m is present between the Cu matrix of the bearing alloy layer and the overlay. The Cu-Zn alloy layer prevents Sn and In in the overlay from diffusing into the Cu matrix of the bearing alloy layer. The multi-layered slide bearing material can be manufactured by forming the bearing alloy lining layer on the steel plate optionally plated with Cu so as to obtain a bimetal plate, rolling the bimetal plate and a lead alloy plate for the overlay containing Zn to bond the plates in accumulative reduction of 8 to 48%, and thereafter subjecting the plates to heat treatment at 170.degree. to 250.degree. C.

REFERENCES:
patent: 2635020 (1953-04-01), Beebe, Jr.
patent: 3997099 (1976-12-01), Morisaki
patent: 4696867 (1987-09-01), Eastwood
patent: 4877696 (1989-10-01), Muto
patent: 5156729 (1992-10-01), Mahrus et al.
patent: 5185216 (1993-02-01), Tanaka et al.
JPO & Derwent Abstracts for JP 61-186, 499, Aug. 1986.
"Metals Handbook" , Ninth edition, vol. 3, TA 472 A3, 1978, pp. 802-822.

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