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Wear behavior of an aluminum alloy processed by equal-channel angular pressing |
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| Authors: | Chuan?Ting?Wang,Nong?Gao,Robert?J.?K.?Wood,Terence?G.?Langdon author-information" > author-information__contact u-icon-before" > mailto:langdon@usc.edu" title=" langdon@usc.edu" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author |
| Affiliation: | (1) National Centre for Advanced Tribology at Southampton, School of Engineering Sciences, University of Southampton, Southampton, SO17 1BJ, UK;(2) Materials Research Group, School of Engineering Sciences, University of Southampton, Southampton, SO17 1BJ, UK;(3) Departments of Aerospace and Mechanical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089-1453, USA; |
| Abstract: | Wear tests were conducted on an aluminum Al-1050 alloy after processing by equal-channel angular pressing (ECAP). The results show that the coefficient of friction remains unchanged after processing by ECAP, but there is a decrease in the wear resistance and a mass loss that increases with increasing numbers of ECAP passes. The results are consistent with a wear mechanism map and confirm the occurrence of a severe wear mechanism. The decreasing wear resistance after ECAP is attributed to the significant grain refinement introduced by ECAP and the lack of a strain hardening capability. |
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