期刊
TRIBOLOGY INTERNATIONAL
卷 44, 期 4, 页码 347-358出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2010.11.008
关键词
Sliding wear; Wear mechanism; Metal matrix composite; Solid lubricants
Copper matrix composites are finding many applications due to their inherent properties such as good electrical and thermal conductivity and corrosion resistance. New series of copper-TiC (5-15 vol%)-graphite (5-10 vol%) hybrid composites are fabricated through a novel microwave processing technique. Pin-on-disc is used to evaluate their tribological properties under testing parameters of normal loads 12-48 N and sliding speed of 1.25-2.51 m/s. The formation of mixed smooth layer with higher graphite hybrid composites improves the wear resistance and reduces the friction coefficient. Morphology of worn out surfaces and wear debris were analyzed to understand the wear mechanisms. (c) 2010 Elsevier Ltd. All rights reserved.
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