The thermal shock failure of ceramic coating is essentially the fatigue failure induced by cyclic thermal stress during repeated heating and cooling.
陶瓷涂层的热震失效是由于涂层在循环加热和冷却过程中，涂层内产生循环热应力，导致涂层发生热疲劳失效。
Scanning electron microscopy were used to observe the changes in the microstructure of YSZ coatings before and after thermal shock, to study the failure process of coating during thermal shock;
利用扫描电镜观察YSZ涂层热震前后显微组织的变化，研究涂层在热震过程中的失效过程；
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