Measurement of Spectral Emissivity and Thermal Conductivity of Zirconia by Thermal Radiation Calorimetry |
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Authors: | Tanaka H. Sawai S. Morimoto K. Hisano K. |
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Affiliation: | (1) Department of Applied Physics, National Defense Academy, Yokosuka 239-8686, Japan |
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Abstract: | The hemispherical total emissivity of partially stabilized zirconia has been obtained by a spectral analysis of the normal emission spectra between 400–850 K. Thermal conductivity was evaluated with this emissivity and temperature gradient in the sample. Effects of the scattering of the radiation in a ceramic sample are also investigated. In addition, specific heat capacity was measured by thermal radiation calorimetry. Current results are compared with those reported for tetragonal zirconia with the same yttria content and for monoclinic phase. This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | Kirchhoff's law Kramers– Kr?nig relations thermal radiation virtual mode equations |
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