Use of aqueous suspensions in plasma spraying of alumina coatings

被引：0
|
作者：
V. E. Oliker
A. E. Terent’ev
L. K. Shvedova
I. S. Martsenyuk
机构：
[1] National Academy of Sciences of Ukraine,Frantsevich Institute for Problems of Materials Science
来源：
Powder Metallurgy and Metal Ceramics | 2009年 / 48卷
关键词：
plasma spraying; alumina; powders; suspension; structure; properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The paper examines and compares the properties of Al2O3 coatings sprayed using two methods: arc plasma spraying (APS) of micron powders (average particle size is 45 μm) and suspension plasma spraying (SPS) (average particle size is 2.9 μm). A system for feeding suspension into plasma spray is developed and fabricated. It is established that SPS coatings contain finer structural components than APS. This improves their mechanical characteristics such as microhardness and indentation fracture toughness.
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页码：115 / 120
页数：5
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