Characterisation of micrometre- and nanostructured atmospheric plasma sprayed zirconia-8%yttria thermal barrier coatings

被引:11
作者
Xiang, N. [1 ,2 ]
Song, R. G. [1 ,2 ]
Xu, P. [3 ]
Wang, C. [1 ,2 ]
Zhuang, J. J. [1 ,2 ]
Zheng, X. H. [3 ]
机构
[1] Changzhou Univ, Sch Mat Sci & Engn, Changzhou 213164, Peoples R China
[2] Changzhou Univ, Jiangsu Key Lab Mat Surface Sci & Technol, Changzhou 213164, Peoples R China
[3] Zhejiang Univ Technol, Coll Mat Sci & Engn, Hangzhou 310032, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
Thermal barrier coatings; Nanostructured and micrometre structured 8YSZ; Atmospheric plasma spraying; Microstructure; Properties; SHOCK RESISTANCES; ZIRCONIA COATINGS; MOL-PERCENT; MICROSTRUCTURE; BEHAVIOR; YSZ;
D O I
10.1179/1743284715Y.0000000133
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The thermal barrier coatings of nanostructured and micrometre structured 8 wt-% yttria partially stabilised zirconia (8YSZ) were prepared by atmospheric plasma spraying on 316L stainless steel. The microstructure, phase composition, hardness, adhesion strength, friction wear, oxidation resistance and thermal shock behaviour of the as sprayed coatings were studied. The X-ray diffraction pattern showed that the phase composition of nanostructured 8YSZ coating was different from the powder. The wear resistance of nanostructured 8YSZ coating significantly increased compared with that of the micrometre structured coating. The hardness, adhesion strength and thermal shock lifetime of nanostructured 8YSZ coating is higher than that of the micrometre structured one. In addition, the antioxygenic property of the nanostructured 8YSZ coating was slightly better than that of the micrometre structured 8YSZ coating.
引用
收藏
页码:593 / 601
页数:9
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