Structure and performance study of PZT coating prepared by supersonic plasma spraying

被引：0
作者：
Li, Guo-Lu [1 ]
Gu, Lin-Song [1 ,2 ]
Wang, Hai-Dou [2 ]
Xing, Zhi-Guo [2 ]
机构：
[1] School of Materials Science and Engineering, Hebei University of Technology
[2] Academy of Armored Forces Engineering, National Key Laboratory for Remanufacturing
来源：
Gongneng Cailiao/Journal of Functional Materials | 2014年 / 45卷 / 11期
关键词：
Coating; Dielectric property; PZT; Supersonic plasma spraying;
D O I：
10.3969/j.issn.1001-9731.2014.11.025
中图分类号：
学科分类号：
摘要：
Lead-zirconate-titanate (PZT) was important functional materials which were widely used due to their perfect piezoelectric properties. In this paper, coatings were prepared by supersonic plasma spraying, the microstructure morphology and phase composition of PZT powder and coating were analyzed by SEM, XRD and TEM, as well as making the experiment of the bonding strength, micro hardness and dielectric property on the coating. The results indicated that the coating have a denser structure and low porosity, the surface of the PZT coating was smooth, characteristics of porosity was 1.6%, the average micro hardness reached 562.3 Hv. The dielectric constant of the coating made by the supersonic plasma spraying was about 370°C.
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页码：11118 / 11122
页数：4
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