Sintered contact component

Details Sintered contact component Sintered contact component

1995-07-25

1996-05-21

Walsh, Donald P.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

420470, 420495, C22C 2900

Patent

active

055185193

ABSTRACT:
The invention concerns copper-based sintered components for use as contact components such as clutches and brakes and is intended to provide a sintered component comprising hard particles admixed with and finely and uniformly dispersed in a primary particle of a matrix to provide improved friction coefficient, and in which the dispersed hard particles are inhibited from coming off the Cu--Sn alloy matrix during contact movement so that the sintered component is possessed of good friction contact characteristics and improved mechanical properties under dry and wet conditions. The sintered contact component comprises a copper-based sintered alloy having a structure such that 15 to 25 wt % of a hard particulate material having a maximum particle diameter of not more than 15 .mu.m and a mean particle diameter of not more than 5 .mu.m is uniformly dispersed within copper particles in an alloy matrix.

REFERENCES:
patent: 5460639 (1995-10-01), Kondoh

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