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CERAMIC MATERIAL OF GARNET CRYSTAL STRUCTURE WITH LOW THERMAL CONDUCTIVITY AND MANUFACTURING METHOD OF THE SAME
CERAMIC MATERIAL OF GARNET CRYSTAL STRUCTURE WITH LOW THERMAL CONDUCTIVITY AND MANUFACTURING METHOD OF THE SAME
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机译:低导热率的石榴石晶体结构的陶瓷材料及其制造方法
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摘要
A ceramic material with a garnet crystal structure showing low thermal conductivity and a manufacturing method thereof are provided to show a high thermal expansion coefficient as much as that of a metal parent material while showing low thermal conductivities. A ceramic material showing low thermal conductivity has a garnet crystal structure of A3B5O12. In the garnet crystal structure, the A is one rare earth material selected from the group consisting of Er, Gd, Y and La; and the B is one material selected from the group consisting of Al and Ga. The A consists of Er and the B consists of Al and/or Ga. The ceramic material with a garnet crystal structure shows 2.5-3.6W/mk of thermal conductivity at the temperature of 1000°C.
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