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ZrO2涂层热性质的弧光光热分析技术和有限差分热流模型研究

杜英磊 吴柏枚

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ZrO2涂层热性质的弧光光热分析技术和有限差分热流模型研究

杜英磊, 吴柏枚

A STUDY ON THERMAL PROPERTIES FOR ZrO2 COATINGS BY ARC PHOTOTHERMAL TECHNIQUE AND FINITE-DIFFERENCE THERMAL FLOW MODEL

DU YING-LEI, WU BAI-MEI
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  • 应量汞弧光灯作加热光源的背表面检测光热技术和有限差分热流模型研究了ZrO2涂层的热导和热扩散率。其值分别为:k=0.0069J/cm·K·s和α=0.0028cm2/s.结果表明对于带涂层的多层系统的光热检测,有限差分热流模型法是一个有效的数据处理方法。
    The thermal conductivity and thermal diffusivity of ZrO2 coatings were studied using arc-photothermal evaluation technique in which the sample was heated at front surface and detected at back surface, and finite-difference thermal flow model was applied. The values of thermal conductivity and thermal diffusivity of ZrO2 are k=0.0069J/cm·K·s and α=0.0028cm2/s, respectively. It is shown that, first, the finite-difference thermal flow model is an available and useful method for the multilayer coating system, and, second, the arc photothermal evaluation technique has low cost of equipment, and more simple and convenient measurement.
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出版历程
  • 收稿日期:  1993-12-17
  • 刊出日期:  1994-11-20

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