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Title: Temperature Dependence of the Tribological Properties of Laser Re-Melted Al-Cu-Fe Quasicrystalline Plasma Sprayed Coatings
Author: Feng LP; Shao TM; Jin YJ; Fleury E; Kim DH; Chen DR
Source: Journal of Non-Crystalline Solids
Issued Date: 2005
Volume: 351, Issue:3, Pages:280-287
Abstract: The aim of this study was to investigate the effect of temperature on tribological properties of plasma-sprayed Al-Cu-Fe quasicrystal (QC) coating after laser re-melting treatment. The laser treatment resulted in a more uniform, denser and harder microstructure than that of the as-sprayed coatings. Tribological experiments on the coatings were conducted under reciprocating motion at high frequency in the temperature range from 25 to 650 degreesC. Remarkable influence of temperature on the friction behavior of the coating was recorded and analyzed. Microstructural analysis indicated that the wear mechanisms of the re-melted QC coatings changed from abrasive wear at room temperature, to adhesive wear at 400 degreesC and severe adhesive wear at 650 degreesC owing to the material transfer of the counterpart ball. It was also observed that the ratio of the icosahedral (i)-phase to beta-Al-50(Fe,CU)(50) phase in the coating was higher after test at 400 'C than that at 650 'C. The variation of the ratio UP of coating and of the property of the counterpart ball and coating with the temperature are the two main factors influencing the wear mechanisms and value of the friction coefficient.
Language: 英语
Indexed Type: SCI
Corresponding Author: Feng, LP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China.
Correspondent Email: fenglp@263.net
DOI: 10.1016/j.jnoncrysol.2004.08.269
DOC Type: Article
WOS Subject: Materials Science, Ceramics ; Materials Science, Multidisciplinary
WOS Subject Extended: Materials Science
WOS Keyword Plus: ICOSAHEDRAL PHASE ; MECHANICAL-PROPERTIES ; COMPOSITE COATINGS ; MICROSTRUCTURE ; BEHAVIOR ; SOLIDIFICATION ; EQUILIBRIA ; LAYER
WOS ID: WOS:000226437600011
ISSN: 0022-3093
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/17368
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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