One of the important applications of FGMs is the functionally graded thermal barrier coating(TBC), which may markedly improve the durability compared with those conventional ones.

梯度功能热障涂层是FGM的重要应用之一，它与传统的热障涂层相比可明显提高耐久性。

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Thermal barrier coating (TBC) has been used widely in heat components, the residual stress concentrated by thermal load can lead to spalling or failure for the entire coating system.

广泛应用于高温部件的热障涂层，在热载荷作用下各层间所集聚的残余应力是导致其层裂和失效的重要原因。

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Thermal barrier coating(TBC) is a kind of high temperature protection coating. Because of its wide application, it has attracted more and more interests in recent years.

热障涂层是一类高温防护涂层，由于其应用的广泛性，已成为近年来涂层研究领域的热点之一。

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