首页> 外文会议>2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana >A STUDY OF THE EFFECT OF SURFACE METALIZATION ON THE THERMAL CONDUCTIVITY MEASUREMENTS BY THE TRANSIENT THERMO-REFLECTANCE METHOD
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A STUDY OF THE EFFECT OF SURFACE METALIZATION ON THE THERMAL CONDUCTIVITY MEASUREMENTS BY THE TRANSIENT THERMO-REFLECTANCE METHOD

机译:瞬态热反射法研究表面金属化对热导率的影响

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摘要

This work is a numerical and experimental investigation of the effect of the use of a metallic absorption layer on the laser-based measurements of the thermal conductivity of dielectric, semiconductor, and highly-conductive materials. The numerical and supporting experimental results reveal the presence of behaviors associated with thermally-thin and thermally-thick absorption layers, depending on the ratio between the thickness of the absorption layer and the heat penetration depth. It is concluded that the TTR method performs optimally when the thickness of the metalization layer falls in the transition range between the identified thermally-thin and thermally-thick layers.
机译:这项工作是对金属吸收层的使用对基于激光的电介质,半导体和高导电材料导热系数测量的影响的数值和实验研究。数值和辅助实验结果表明,取决于吸收层的厚度与热穿透深度之间的比值,存在与热薄和热厚吸收层相关的行为。结论是,当金属化层的厚度落在所确定的热薄层和热厚层之间的过渡范围内时,TTR方法的性能最佳。

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