期刊
APPLIED SURFACE SCIENCE
卷 255, 期 8, 页码 4362-4371出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2008.10.120
关键词
Porosity; Coating; Mechanical properties; Statistics; Plasma spraying
The aim of this paper was to address the relationship between the porosity and micro-mechanical properties of the Ni-based alloy coatings which were prepared by a novel plasma-spraying system. The porosity and the mechanical properties of the coatings varied through changing the spraying parameters. Experimental results showed that the measured data of porosity, Young's modulus and micro-hardness of the coating exhibited high scattering and followed the Weibull distribution. From statistic trend, the micro-hardness and Young's modulus of the coating decreased with increasing the porosity of the coating. Moreover, generally, with increasing the micro-hardness of the coating, Young's modulus of the coating increased. (C) 2008 Elsevier B. V. All rights reserved.
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