Wear and friction behavior of metal impregnated microporous carbon composites | Zendy

Gültekin Göller | Zendy; D. P. Koty | Zendy; S. N. Tewari | Zendy; Gurwinder Singh | Zendy; A. Tekín | Zendy

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Wear and friction behavior of metal impregnated microporous carbon composites

Author(s) -

Gültekin Göller,

D. P. Koty,

S. N. Tewari,

Gurwinder Singh,

A. Tekín

Publication year - 1996

Publication title -

metallurgical and materials transactions a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.862

H-Index - 155

eISSN - 1543-1940

pISSN - 1073-5623

DOI - 10.1007/bf02595464

Subject(s) - materials science , composite material , graphite , alloy , composite number , microporous material , reciprocating motion , carbon fibers , copper , base metal , amorphous metal , amorphous carbon , metal , casting , amorphous solid , metallurgy , bearing (navigation) , chemistry , cartography , organic chemistry , welding , geography

Metal-matrix composites have been prepared by pressure-infiltration casting of copper-base alloy melts into microporous carbon preforms. The carbon preforms contained varying proportions of amorphous carbon and graphite. Load dependence of the wear and friction behavior of the composite pins has been examined under ambient conditions against cast-iron plates, using a pin-on-plate reciprocating wear tester. The wear resistance of the composite is significantly improved, as compared with the base alloy. Contrary to the normally expected behavior, the addition of graphite to the amorphous carbon does not reduce the friction coefficient, especially at high loads. The wear and friction behavior of the composites is very sensitive to the size and distribution of the microstructural constituents.

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