Application of laser flash method to penetrative materials for measurement of thermal diffusivity |
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| Authors: | Katsunori Inoue |
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| Affiliation: | The Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka, 567, Japan |
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| Abstract: | The theoretical equation for the laser flash method is derived where the penetration and transmission of the input energy into the test piece is taken into account. The thermal diffusivity of penetrative materials and its measurement errors are calculated instantly by fitting the experimental data to this equation by using the method of least squares with an on-line personal computer connected to the laser flash device. The usefulness of this method is shown by comparing it with the conventional method. |
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| Keywords: | Thermal diffusivity Penetrative materials Laser flash method |
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