Structure and wear resistance of plasma sprayed Al2O3+13%TiO2 ceramic coating

被引：0
|
作者：
Yang, Yuanzheng [1 ]
Liu, Zhengyi [1 ]
Zhuang, Yuzhi [1 ]
机构：
[1] Guangdong Univ of Technology, Guangzhou, China
来源：
Gongneng Cailiao/Journal of Functional Materials | 2000年 / 31卷 / 04期
关键词：
Aluminum compounds - Plasma spraying - Titanium dioxide - Wear resistance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The phase structure and phase composition in the plasma sprayed Al2O3+13%TiO2 ceramic coatings were investigated by X-ray diffraction and scanning electron microscopy. The ceramic coating displays rather dense, showing that it possesses a low porosity. Besides the main phase, metastable γ-Al2O3, there also exist stable phase α- Al2O3 and TiO2 in the coating. The Al2O3-rich lamellae and TiO2-rich lamellae obviously show a laminated structure and composition diffusion between them. The coating design has an effect on the microhardness. The additive TiO2 can improve the wear resistance of the coating.
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页码：390 / 392
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