Sliding-surface bearing and process of manufacturing the same

Details Sliding-surface bearing and process of manufacturing the same Sliding-surface bearing and process of manufacturing the same

1976-09-17

1978-02-07

Peters, Jr., Joseph F.

Cutlery

308241, F16C 1700

Patent

active

040723682

ABSTRACT:
The bearing comprises a bearing metal layer, a sliding-surface layer consisting of a lead alloy which contains copper and tin, and an additional layer which is disposed between said bearing metal layer and said sliding-surface layer and adjoins the latter and consists of a lead-copper alloy which is initially free from tin. Any tin which is subsequently contained in said additional layer is completely bonded to said copper in said additional layer in the form of a copper-tin phase. In the manufacture of the bearing, the sliding-surface layer is applied to said additional layer when the latter is free from tin and the bearing may be subjected to a heat treatment at an elevated temperature below 183.degree. whereby tin from said sliding-surface layer is caused to enter said initially tin-free additional layer and to be bonded to copper in said additional layer in the form of a copper-tin phase.

REFERENCES:
patent: 3343362 (1967-09-01), Lunsford
patent: 3359046 (1967-12-01), Dryden
patent: 3522974 (1970-08-01), Polti
patent: 3853602 (1974-12-01), Nakamura

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