The most common TBC-systems consist of a metal bond coat and a ceramic top coat with a low thermal conductivity.Coating failure are caused mostly by the instability of the interface.
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- 热障涂层由金属底层和具有较低热导率的陶瓷表面层组成，其失效一般是因金属-陶瓷界面的不稳定而引起，可以通过降低氧的扩散和热应力改善涂层的性能；
