Composite material for sliding surface bearings

Details Composite material for sliding surface bearings Composite material for sliding surface bearings

1981-07-15

1983-07-19

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 122, C10M 518

Patent

active

043942750

ABSTRACT:
A composite material for sliding surface bearings comprises a gacking shell of steel, which is covered by a bearing metal layer of sintered porour bronze having a porosity of 25 to 45%. The voids of the bronze layer are filled with a fluorocarbon-lead mixture. The bearing metal layer is covered by an anti-friction layer consisting of the fluorocarbon-lead mixture in a thickness of, for example, 30 to 500 microns.
To permit of a machining of the anti-friction layer the bronze layer has a thickness of 250 to 350 microns and a porosity of 25 to 45% and the fluorocarbon-lead mixture comprises 30 to 60% by weight polyvinylidene fluorinde and 20 to 50% by weight lead.

REFERENCES:
patent: 2995462 (1961-08-01), Mitchell et al.
patent: 3896036 (1975-07-01), Cairns
patent: 3935159 (1976-01-01), Demillecomps et al.
Machinenmarkt/MM-Industrie Journal 77, NO. 6, "Lager Ohne 01", Jan. 19, 1971.
VDI-Z 110 (1968), No. 15, pp. 632-636.

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