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- Title
The effect of composition segregation on the friction and wear properties of ZA48 alloy in dry sliding condition.
- Authors
Shu-qing Yan; Jing-pei Xie; Zhong-xia Liu; Ji-wen Li; Wen-yan Wang; Ai-qin Wang
- Abstract
In this study, the effect of composition segregation on the wear resistance of high aluminum zinc-based alloy is investigated. The test results show that the improving wear resistance is due to a combined action of α and η phase. The rich solid solution of α−Al has higher strength and load bearing capability than of η phase. Under the action of the sliding friction, the hard α phase was protruded from matrix and acted as a loading phase. The η phase helped to act as a type of natural lubricant in sliding wear situations. Meanwhile, the iron transferred from the steel ring to block and forced to the recess continuously, which forms a thin protective film at the contact surface, then the load bearing capability of the test alloy would be improved.
- Subjects
ALUMINUM alloys; FRICTION; LUBRICATION &; lubricants; THIN films; SURFACES (Technology); STEEL rings
- Publication
Journal of Materials Science, 2009, Vol 44, Issue 15, p4169
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-009-3619-0