Effect of plasma spraying parameters on the luminescent intensity of YSZ: Tm coatings

被引：0
|
作者：
Wang, Weize [1 ]
Hong, Huoxing [1 ]
Wei, Jingjing [1 ]
Xuan, Fuzhen [1 ]
机构：
[1] Key Laboratory of Pressure Systems and Safety, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
来源：
Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | 2014年 / 43卷 / 02期
关键词：
Luminescence - Plasma jets - Yttria stabilized zirconia - Yttrium oxide - Powders - Thermal barrier coatings;
D O I：
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中图分类号：
学科分类号：
摘要：
Tm doped Y2O3-ZrO2 (YSZ) powders and coatings are prepared in order to enhance the adaptation of the coating to thermal barrier coatings. The powders were prepared by chemical process and the coatings were deposited by plasma spraying method. The effects of plasma spraying parameters on the luminescent intensity of YSZ:Tm coating were investigated. It is found that yttria solid solutes into the powder completely when the aging time is over 15 h and Zr4+ concentration is 0.2 mol/L. The luminescent intensity of powder increases with the decrement of doped concentration of Tm. Plasma spraying distance and power have obvious influence on the luminescent intensity of YSZ:Tm coatings. The lower the spraying distance and power, the higher the luminescent intensity of coatings is in the present studying range. Copyright © 2014, Northwest Institute for Nonferrous Metal Research. Published by Elsevier BV. All rights reserved.
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页码：481 / 484
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