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Effect of sliding speed on wear behaviour of A356 Al-30 wt.%SiCp MMC

Ravikiran, A and Surappa, MK (1997) Effect of sliding speed on wear behaviour of A356 Al-30 wt.%SiCp MMC. In: Wear, 206 (1-2). pp. 33-38.

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Abstract

Wear studies have been carried out by sliding A356 Al-30 wt.% SiCp metal matrix composite against steel disc at an applied pressure of 2 MPa, in the speed range of 0.5 to 10.0 m s(-1), under dry conditions. At low speeds the frictional force exhibited a periodic oscillation with time which vanished at higher speeds. Wear rate continuously decreased with increasing speed. These phenomena have been explained in terms of (a) transferred material from steel disc onto the pin surface, at low speeds, (b) increased area fraction of SiCp on the pin surface with increasing speed, (c) decreasing matrix damage with increasing speed and (d) protrusion of SiCp above the matrix at high speeds.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: MMC;wear;speed;oscillations in friction.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Mr. S Muthuraja
Date Deposited: 02 Jun 2009 10:11
Last Modified: 19 Sep 2010 05:25
URI: http://eprints.iisc.ac.in/id/eprint/18902

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