B K , Prasad (1991) The Significance of Matrix Microstructure on the Solid Lubrication Characteristics of Graphite in Aluminium Alloys. Materials Science and Engineering A,, 144A. ISSN 0921-5093

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Abstract

Al alloy 2014- graphite particle composite was synthesized using a solidification processing technique. Wear tests of as-caste end of heat-treated alloys and composites were conducted under dry conditions on a pin-on-disc wear test apparatus. Scanning electron microscopy examination of sliding surfaces did not show the formation of a graphite film. It appeared from the present investigation that graphite particles either were engulfed in the coarse wear debris or might have been pulled off the sliding surfaces because of a poor inter-facial bond between aluminium and graphite. However, in (Al-Si alloy)-graphite composites in the heat-treated condition, the formation of a graphite film was detected. The present study suggests that the matrix micro-structure plays a significant role in the solid lubrication characteristics of graphite in aluminium alloys.

Item Type:	Article
Subjects:	Material/Component Development, Processing and Characterization > Tribology
Divisions:	UNSPECIFIED
Depositing User:	Mr. B.K. Prasad
Date Deposited:	02 Aug 2013 06:12
Last Modified:	02 Aug 2013 06:12
URI:	http://ampri.csircentral.net/id/eprint/216

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