Preparation of thermal barrier coatings by ultrasonic plasma spraying

被引：0

作者：

Wen, XW ^{[1
]}

Li, LM ^{[1
]}

Zhang, HT ^{[1
]}

Hao, HW ^{[1
]}

Lu, ZQ ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Mech Engn, Beijing 100084, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2004年 / 14卷

关键词：

plasma spraying; ultrasonic; thermal barrier coatings;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Modulated plasma arc not only can heat the powder, but also can excite ultrasonic of different frequencies and different powers. The principles and characters of the plasma arc-excited ultrasonic were described, and the ultrasonic plasma spraying was compared with normal plasma spraying. Zirconia thermal barrier coatings (TBCs) were fabricated with two kinds of method. The TBCs were studied by the optical microscope observation, SEM observation and bonding strength experiment. The results show that suitable ultrasonic changes the performance and microstructure of TBCs in evidence. And the mechanism of ultrasonic influencing the TBCs was also discussed.

引用

页码：92 / 94

页数：3