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High-heat-conduction ceramic material and manufacturing method therefor
The invention discloses a high-heat-conduction ceramic material. Mixed powder composed of aluminum oxide powder and aluminum nitride is subjected to molding and then is subjected to sintering in a protection atmosphere and a high-heat-conduction ceramic material is prepared. The invention also discloses a manufacturing method for the high-heat-conduction ceramic material. The method comprises the following steps: a plain body after molding of mixed powder composed of aluminum oxide powder and aluminum nitride is placed in a high-temperature furnace, thermal insulation carried out in a protection atmosphere for predetermined time the high-heat-conduction ceramic material is prepared after sintering. The mass percent of the aluminum nitride powder is 10%-20%. The high-heat-conduction ceramic material has a thermal conductivity of higher than 30W/(m.K), the thermal conductivity is higher than that of pure aluminum oxide ceramic, the method is simple, and the technology cost is low.
High-heat-conduction ceramic material and manufacturing method therefor
The invention discloses a high-heat-conduction ceramic material. Mixed powder composed of aluminum oxide powder and aluminum nitride is subjected to molding and then is subjected to sintering in a protection atmosphere and a high-heat-conduction ceramic material is prepared. The invention also discloses a manufacturing method for the high-heat-conduction ceramic material. The method comprises the following steps: a plain body after molding of mixed powder composed of aluminum oxide powder and aluminum nitride is placed in a high-temperature furnace, thermal insulation carried out in a protection atmosphere for predetermined time the high-heat-conduction ceramic material is prepared after sintering. The mass percent of the aluminum nitride powder is 10%-20%. The high-heat-conduction ceramic material has a thermal conductivity of higher than 30W/(m.K), the thermal conductivity is higher than that of pure aluminum oxide ceramic, the method is simple, and the technology cost is low.
High-heat-conduction ceramic material and manufacturing method therefor
XU LIANGFANG (author)
2016-01-20
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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