摘要
利用等离子喷涂法在TiAl合金基体表面依次喷涂得到由CoNiCrAlY粘结层和(ZrO2+Y2O3)陶瓷顶层组成的双层结构的热障涂层,对喷涂后的TiAl合金进行高温氧化试验。用SEM观察和分析了涂层高温氧化后的组织、结构及形貌,并研究了涂层表面硬度的变化。
A two-layered thermal barrier coating (TBC ) consisting of CoNiCrAlY bonding coating and ZrO_2+Y_2O_3 topcoat was formed on the TiAl alloy surface using the technique of the plasma spraying. The high temperature oxidation test was done. The samples were investigated by SEM. This paper mainly studies the hardness change of the sample surfaces.
出处
《表面技术》
EI
CAS
CSCD
北大核心
2004年第2期24-25,共2页
Surface Technology