the thermal shock resistance of plasma-sprayed zro2 thermal barrier coatings under the conditions of water quenching and flame jet was studied.
研究了涂层在水淬和火焰喷烧两种条件下的抗热震性能。
to solve exactly the temperature and heat flux in the thermal barrier coatings internal thermal radiation in coatings should be considered.
为了準确计算涂层和金属基底内的温度和热流,需要考虑涂层内部热辐射的影响。
the results show that the graded thermal barrier coatings have typical lamellar structure. the coatings are compact.
结果表明:梯度涂层呈典型的层状结构,涂层较为致密,空隙均匀,同时分布有各向的微裂纹。
in gas turbines, thermal barrier coatings (tbcs) applied by air plasma spraying are widely used to lower the temperature of hot components.
为了降低航空发动机热端部件的温度,空气等离子喷涂已被广泛地应用。
in a word, the thesis gives a detailed study of high temperature oxidation of thermal barrier coatings from thermodynamics, diffusion, oxidation kinetics and mechanochemistry activity.
总而言之,本文从热力学、扩散、氧化动力学和力学化学活度四个方面对热障涂层的高温氧化机理作了一个较为详细的论述。
the result shows that the residual stress in thermal barrier coatings is a function of interface topography parameters.
模拟结果表明,热障涂层中的残余应力是界面形貌尺寸的函数。
so it is very important to study the failure mechanism of the thermal barrier coatings and the development of structure.
因此,对热障涂层的失效机理研究对于了解涂层的使用性能、服役寿命和材料的改性都就有着重要的意义。