Friction material

Details Friction material Friction material

1989-09-12

1991-04-02

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75243, 75246, 523152, 523156, B22F 100

Patent

active

050044974

ABSTRACT:
A friction material containing 0.85 to 30% by weight of carbon fibers and 2 to 20% by weight of aramid fibers for use as brake pads, brake linings, clutch facings and other mechanical component parts which are subjected to severe frictional contact with other mechanical component parts. The aramid fibers preferably consist of para-aramid fibers and/or a combination of chopped aramid fibers and fibrillar aramide fibers. There is a certain preferred range for the ratio between the aramid fiber content and the carbon fiber content. This friction material offers advantages in a high-temperature stability of the coefficient of friction, a favorable wear property, freedom from sticking and uneven wears, and superior anti-fade properties.

REFERENCES:
patent: 4373037 (1983-02-01), Washabaugh
patent: 4373038 (1983-02-01), Moraw et al.
patent: 4374211 (1983-02-01), Gallagher et al.
patent: 4735975 (1988-04-01), Iwata et al.

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