A Laser Flash Apparatus for Thermal Diffusivity and Specific Heat Capacity Measurements

被引：0

作者：

K. Shinzato

T. Baba

机构：

[1] Kyoto Electronics Manufacturing Co. Ltd. (KEM),Kyushu Laboratory

[2] National Research Laboratory of Metrology (NRLM),undefined

来源：

Journal of Thermal Analysis and Calorimetry | 2001年 / 64卷

关键词：

laser flash method; simultaneous measurement; solid materials; specific heat capacity; thermal conductivity; thermal diffusivity;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We have developed a laser flash apparatus for simultaneous measurements of thermal diffusivity and specific heat capacity of solid materials by introducing recent technical progress: uniform heating by a homogenized laser beam using an optical fiber with a mode mixer, measuring transient temperature of a specimen with a calibrated radiation thermometer, analyzing a transient temperature curve with a curve fitting method, to achieve differential laser flash calorimetry. Thermal diffusivity, specific heat capacity and thermal conductivity of glassy carbon and molybdenum were measured in the temperature range from 300 to 1100 K.

引用

页码：413 / 422

页数：9

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