界面形貌对热障涂层残余应力分布的影响
Development and Application of Materials(2012)
Abstract
用ABAQUS有限元软件建立了热障涂层模型,计算得出,在热载荷作用下,界面形貌对热障涂层材料残余应力分布影响很大,σ22主要集中在热生长氧化层和过渡层波峰处,随着热生长氧化层变厚、波长变小、振幅变大,σ22变大,且最大值产生在热生长氧化层/过渡层界面的波峰处。
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Key words
Finite element analysis,Thermal barrier coating,Thermally grown oxide
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