Effect of Heat Treatment Temperature on Structural and Electrical Properties of Plasma Sprayed KNMN Coatings

被引：4

作者：

Li, Xuewu ^{[1
]}

Gao, Rui ^{[1
,2
]}

Huang, Yanfei ^{[2
]}

Guo, Weiling ^{[2
]}

Wang, Wuping ^{[3
]}

Xu, Keren ^{[4
]}

Xing, Zhiguo ^{[2
]}

Wang, Haidou ^{[5
]}

机构：

[1] Xian Univ Sci & Technol, Sch Mech Engn, Xian, Peoples R China

[2] Army Acad Armored Forces, Natl Key Lab Remfg, Beijing, Peoples R China

[3] Army Acad Armored Forces, Beijing, Peoples R China

[4] Capital Aerosp Machinery Corp Ltd, Beijing, Peoples R China

[5] Army Acad Armored Forces, Natl Engn Res Ctr Remfg, Beijing, Peoples R China

来源：

INTEGRATED FERROELECTRICS | 2023年 / 232卷 / 01期

基金：

中国国家自然科学基金;

关键词：

KNMN coatings; heat treatment temperature; electrical properties; PIEZOELECTRIC PROPERTIES; PHASE-STRUCTURE; THIN-FILMS; CERAMICS; MICROSTRUCTURE; LI;

D O I：

10.1080/10584587.2023.2173446

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, Mn-doped KNN (KNMN) piezoelectric ceramic coatings were prepared by plasma spraying technique, and the effects of post-treatment temperature on the microstructure and electrical properties of KNMN coatings were investigated. The results showed that the microstructure of the KNMN coating was more dense and homogeneous at the heat treatment temperature of 600 degrees C. The electrical properties of the coating were the best, with the dielectric constant and dielectric loss stabilized at 1580 and 0.01, and the residual polarization strength and coercivity field of the coating were 17.98 mu C/cm(2) and 86.78 kV/cm(2), respectively.

引用

页码：114 / 126

页数：13

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