Aluminum base alloy bearing having superior load-resistance and

Details Aluminum base alloy bearing having superior load-resistance and Aluminum base alloy bearing having superior load-resistance and

1993-05-28

1998-12-08

Ip, Sikyin

Metal treatment

Stock

Aluminum base

148535, 428636, 428652, 428654, C22C 2106

Patent

active

058463470

ABSTRACT:
A multi-layered bearing having superior load-resistance comprises an aluminium base bearing alloy layer and a backing metal layer. The bearing alloy consists essentially of, by weight, 2-8% zinc, 0.1-8% silicon, 0.1-3% copper, 0.05-3% magnesium and the balance of aluminium. The bearing alloy is subjected to a solution treatment and an artificial aging treatment, and it has a hardness of Hv 70 or greater. The bearing alloy may contain at least one element selected from the following five elements of lead, manganese, vanadium, chromium and nickel, and may further contain strontium and/or titanium and boron. The hardness of the bearing alloy may be Hv 70 or higher by performing solution treatment on a bimetal at a temperature of 400.degree. C. or higher before the plastic working, and further by performing an artificial aging treatment thereon at a temperature of 250.degree. C. or lower.

REFERENCES:
patent: 4170469 (1979-10-01), Mori
patent: 4786340 (1988-11-01), Ogawa et al.
patent: 5028393 (1991-07-01), Tanaka et al.
patent: 5110372 (1992-05-01), Faure
VDI-Z., vol. 98, 1956, No. 1, Jan. 1, pp. 19 and 20.
KH.G. Schmitt-Thomas: Werkstoffkunde III, Technical University of Munich: Professorhip for Metallurgy and Physical Metallurgy, 1983, pp. 148-157.
Ullmanns Encyklopeadie der technischen Chemie, 4th ed., vol. 16, Verlag Chemie GmbH, Weinheim, 1978, pp. 2 and 3.
DE-AN W 1271, laid-open: Sep. 27, 1951.

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