Aluminum base bearing alloy and a composite bearing made of the

Details Aluminum base bearing alloy and a composite bearing made of the Aluminum base bearing alloy and a composite bearing made of the

1978-02-22

1979-10-09

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75143, 75146, 75148, 148159, 428652, C22C 2102, B21D 5310

Patent

active

041704690

ABSTRACT:
A composite bearing composed of a bearing alloy consisting of 2-8% Zn, 2-8% Si, 0.1-3% Cu, and 0.1-3% Pb all by weight with the remainder being aluminum and a steel backing lined with said bearing alloy. This bearing alloy has outstanding non-sticking property and fatigue strength and is best suited for medium and high speed diesel engine bearings. This bearing alloy may further contain 0.2-7% in total of one or more elements selected from the group consisting of Mg, Ni, and Bi with their respective composition limits being 0.1-2%, 0.1-3% and 0.1-2% by weight.

REFERENCES:
patent: 2026545 (1936-01-01), Kempf et al.
patent: 2568180 (1951-09-01), Willmore
patent: 2759250 (1956-08-01), Schaefer et al.
patent: 3268369 (1966-08-01), Haugen
patent: 3314829 (1967-04-01), Sunnucks
patent: 3652344 (1972-03-01), Kingsbury et al.
Bearing Alloys in Metals Reference Book, Ed. C. J. Smithels Buttersworth, London, 1976, pp. 1259-1261.

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