Thermal Diffusivity Measurements of Li2B4O7and KNbO3 Solution by Laser Flash Method
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Abstract
The thermal diffusivities of Li2B4O7 +KNbO3(20wt.%) solution have been determined at temperature between 900°C and 990°C using a three layered laser flash method on the differential scheme. The thermal diffusivity of this Li2B4O7 and KNbO3 solution ranges from 3.6.x 10-3cm2/s to 4.1 x 10-3cm2/s. A positive temperature dependence of thermal diffusivity of solution is obtained.
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JIN Wei-Qing, NAGASHIMA Toshio, YODA Shinichi, LIANG Xin-An, PAN Zhi-Lei. Thermal Diffusivity Measurements of Li2B4O7and KNbO3 Solution by Laser Flash Method[J]. Chin. Phys. Lett., 2002, 19(4): 569-571.
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JIN Wei-Qing, NAGASHIMA Toshio, YODA Shinichi, LIANG Xin-An, PAN Zhi-Lei. Thermal Diffusivity Measurements of Li2B4O7and KNbO3 Solution by Laser Flash Method[J]. Chin. Phys. Lett., 2002, 19(4): 569-571.
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JIN Wei-Qing, NAGASHIMA Toshio, YODA Shinichi, LIANG Xin-An, PAN Zhi-Lei. Thermal Diffusivity Measurements of Li2B4O7and KNbO3 Solution by Laser Flash Method[J]. Chin. Phys. Lett., 2002, 19(4): 569-571.
|
JIN Wei-Qing, NAGASHIMA Toshio, YODA Shinichi, LIANG Xin-An, PAN Zhi-Lei. Thermal Diffusivity Measurements of Li2B4O7and KNbO3 Solution by Laser Flash Method[J]. Chin. Phys. Lett., 2002, 19(4): 569-571.
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