A Study on the Deposition of Al2O3 Coatings on Polymer Substrates by a Plasma Spray/Micro-Arc Oxidation Two-Step Method

被引：0
|
作者：
Guanhong Sun
Xiaodong He
Jiuxing Jiang
Yue Sun
Yesheng Zhong
机构：
[1] Harbin Institute of Technology,Center for Composite Materials and Structures
来源：
Journal of Thermal Spray Technology | 2013年 / 22卷
关键词：
adhesion; ceramics; composite materials; micro-arc oxidation; plasma spray;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To increase the wear resistance of polymer matrix composites, alumina coatings were deposited on polymer substrates by a two-step method combining plasma spraying and micro-arc oxidation. The microstructures and phase compositions of the processed coatings were investigated for different treatment times. Uniformly distributed pores were found in addition to the presence of various coral-like structures and floccules on the surface of the coatings. The presence of α-Al2O3 and γ-Al2O3 phases was identified by XRD. The distribution of alumina was analyzed by EDS and is discussed. The maximum bond strength of the coatings was found to be 5.89 MPa. There was little thermal damage in the polymer substrates after the coatings were produced.
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页码：27 / 35
页数：8
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