Optical Constants and Emissivities of Iron and Steel in the Ferrite and Austenite Phases at High Temperatures
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概要
- 論文の詳細を見る
Infrared emissivities of iron, mild steel and hard steel are measured at temperatures from 850 to 1350 K including the A_1, A_2, and A_3 transformation points and at wavelengths from 0.95 to 12.0 μm. The radiative properties are found to be continuous at the three transformation points, and the experimental results can be explained well by a two-electrons-type dispersion model of optical constants. Electronic constants of the equation are given and formulated in order to correlate the macroscopic properties of the radiative heat transfer at temperatures of 800 - 1600 K and at wavelengths longer than 0.7 μm. Spectral and total emissivities are calculated for the three metals as the functions of temperature and phase of crystals.
- 一般社団法人日本機械学会の論文
著者
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Makino Toshiro
Department Of Engineering Science Kyoto University
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Makino Toshiro
Department Of Engineering Physics And Mechanics Kyoto University
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Kunitomo Takeshi
Department of Engineering Science, Kyoto University
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KAWASAKI Hiroya
Kyoto University
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KISHIDA Ryoji
Kyoto University
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Kunitomo Takeshi
Department Of Engineering Science Faculty Of Engineering Kyoto University
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