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Room temperature dry and lubricant wear behaviors of Al2O3f/SiCp/Al hybrid metal matrix composites SCIE SCOPUS

Title
Room temperature dry and lubricant wear behaviors of Al2O3f/SiCp/Al hybrid metal matrix composites
Authors
Wang, YQAfsar, AMJang, JHHan, KSSong, JI
Date Issued
2010-03-09
Publisher
ELSEVIER SCIENCE SA
Abstract
This study investigates the room temperature sliding wear behaviors of Al2O3f and Sic reinforced aluminum matrix hybrid composites under both the dry and lubricant conditions The effects of fiber orientation of Al2O3f and hybrid ratio of Al2O3f volume fraction to SiCp volume fraction on the wear behaviors are discussed in details The composite specimens with different fiber orientations and hybrid ratios were fabricated by squeeze casting method The tests were carried out using a pin-on-disk friction and wear tester by sliding the pin specimens at a constant speed of 0 36 m/s (570 rpm) against a steel counter disk. The scanning electron microscope (SEM) Images of the worn surfaces and debris were analyzed to understand the modes of wear The results of dry sliding tests showed that the F20P0 unhybrid composites with normal (N)-orientation of fibers had better wear behaviors than those with planer-random (PR)-orientation of fibers However, for hybrid composites, the wear behaviors were better for PR-orientation of fibers On the contrary, the lubricant wear behaviors of F20P0 unhybrid composites with PR-orientation of fibers were superior to those with N-orientation of fibers while the hybrid composites exhibited the reverse lubricant wear behaviors (C) 2009 Elsevier B V All rights reserved
Keywords
Dry sliding wear; Fiber orientation; Lubricant sliding wear; Hybrid ratio; Metal matrix composite; Wear resistance; SLIDING WEAR; TRIBOLOGICAL BEHAVIOR; ALUMINUM-ALLOY; ABRASIVE WEAR; AL2O3; FRICTION; FIBERS; PARTICLES; MMCS
URI
https://oasis.postech.ac.kr/handle/2014.oak/25340
DOI
10.1016/J.WEAR.2009.11.010
ISSN
0043-1648
Article Type
Article
Citation
WEAR, vol. 268, no. 7-8, page. 863 - 870, 2010-03-09
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한경섭HAN, KYUNG SEOP
Dept of Mechanical Enginrg
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