Wear Behavior of Al-Al2O3 Reinforced Composites

Abstract:

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Aluminum composites containing 10wt. % of Al2O3 with 3 µm size of particles have been produced using powder metallurgy (PM) method and wear behavior of the composites were tested under dry condition. A comparison is also made with SiCp reinforced Al composite produced at the same conditions. The wear rate of both types’ composites increased with all applied loads, but wear rate of the composites was a strong function of normal load rather than that of type of particles used for the manufacturing MMCs. Furthermore, the wear rate of Al-Al2O3 composite was smaller than that of Al-SiCp reinforced composite, but not indicating significant differences on it. Moreover, SEM examination showed that plastic deformation was the dominant type of wear for the Al2O3 particle reinforced MMCs, but the fragmented-deformed layer of particles was more effective for the SiCp reinforced MMCs due to more fracturing of particles.

Info:

Periodical:

Advanced Materials Research (Volumes 308-310)

Edited by:

Jian Gao

Pages:

1577-1581

DOI:

10.4028/www.scientific.net/AMR.308-310.1577

Citation:

Y. Şahin "Wear Behavior of Al-Al2O3 Reinforced Composites", Advanced Materials Research, Vols. 308-310, pp. 1577-1581, 2011

Online since:

August 2011

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$35.00

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