Composite sliding member with high porosity sintering layer

Details Composite sliding member with high porosity sintering layer Composite sliding member with high porosity sintering layer

1993-01-13

1995-09-05

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428553, 428546, 428549, 428550, 428551, 428560, 428564, 428596, 428138, 428137, 428135, 428213, 428256, 428463, 428421, 428422, 428325, 428323, 428328, 428327, 252 122, 384913, 384912, 384908, B22F 326

Patent

active

054477743

ABSTRACT:
There is disclosed a composite slide member which suppresses the exposure of a porous metal layer even when the amount of cutting from a surface of the slide member increases, thereby enhancing an anti-seizing property without adversely affecting a rear resistance. The composite slide member includes a back plate, and a slide layer including a porous metal layer with a porosity of 50% to 80% and a composite synthetic resin composition impregnated and coated in pores of the porous metal layer. The porous metal layer is joined to a surface of the back plate. The porous metal layer is formed by sintering metal powder without applying pressure thereto, and an apparent density of the metal powder is 20% to 40% of its theoretical density. The porous metal and the composite synthetic resin are dispersed on a sliding surface of the slide layer in a substantially mixed condition.

REFERENCES:
patent: 3705450 (1972-12-01), Morisaki
patent: 4156049 (1979-05-01), Hodes et al.
patent: 4666787 (1987-05-01), Bickle et al.
patent: 4847135 (1989-07-01), Braus et al.
patent: 5091098 (1992-02-01), Tanaka et al.
patent: 5091308 (1991-05-01), Pratt et al.
patent: 5217814 (1993-06-01), Kawakami et al.

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