期刊
APPLIED SURFACE SCIENCE
卷 255, 期 22, 页码 9174-9181出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2009.06.122
关键词
Coatings; Thermal spray; Composites; Magnesium alloys; ZE41; Wear
类别
资金
- Ministerio de Ciencia e Innovacion [MAT2006-13179-C02-01]
Al and Al-SiC composites coatings were prepared by oxyacetylene flame spraying on ZE41 magnesium alloy substrates. Coatings with controlled reinforcement rate of up to 23 vol.% were obtained by spraying mixtures containing aluminium powder with up to 50 vol.% SiC particles. The coatings were sprayed on the magnesium alloy with minor degradation of its microstructure or mechanical properties. The coatings were compacted to improve their microstructure and protective behaviour. The wear behaviour of these coatings has been tested using the pin-on-disk technique and the reinforced coatings provided 85% more wear resistance than uncoated ZE41 and 400% more than pure Al coatings. (C) 2009 Elsevier B. V. All rights reserved.
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