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Tribological Behaviour and Metallographic Study of Al 2014 Alloy Reinforced by SiC Particle

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Abstract:

The MMC pins containing 10 wt. % particles with sizes of 45 μm and 110 m SiC particles, and its 2014 Al alloy, produced by liquid casting method were tested against abrasive papers under different conditions. Wear surfaces were examined to determine the possible wear mechanisms by Scanning Electron Microscope (SEM). The wear rate of the composite decreased slightly with increasing SiC particle sizes and increased with increasing load. Furthermore, SEM examination showed that few wear craters, oxidized debris particles were dominant for the composite. For lower loads, grooving and delaminating layer on the wear surface were effective for the matrix alloy. Smoothening mechanisms were also dominated for all three types of materials under higher loads as well.

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Periodical:

Applied Mechanics and Materials (Volume 232)

Pages:

939-943

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.232.939

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Online since:

November 2012

Authors:

Y. Şahin

Keywords:

Abrasive Wear, Al2014 Alloy, Metal Matrix Composite (MMC), Metallography, Silicon Carbide (SiC)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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