针对ZrO2 NiCrAl材料体系制备的功能梯度热障涂层 ,采用有限元方法研究了在热负荷下的残余应力、隔热工作应力和循环状态下的瞬态温度和瞬态热应力 ,为该材料体系在制备和使用过程中的性能评价、破坏机理的分析等提供重要的理论依据 Aiming at the functionally graded thermal barrier coatings prepared from ZrO2 NiCrAl material system, the residual stress, thermal stress and cyclic thermal stress under cyclic loading and thermal stress were studied by finite element method In the preparation and use of the performance evaluation, analysis of damage mechanisms provide an important theoretical basis