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Zirconium silicide based composite ceramic material and preparation method thereof
The invention belongs to the field of medical ceramic materials, and discloses a zirconium silicide based composite ceramic material and a preparation method thereof. The ceramic material comprises zirconium silicide, zirconium oxide, titanium nitride, aluminum oxide, titanium carbide, vanadium carbide and thorium oxide. The preparation method comprises the following steps: (1) performing ball-milling, namely respectively picking various ceramic materials according to the weight, and performing ball-milling; (2) mixing, namely completely feeding various ceramic materials which are subjected to ball-milling in the step (1) into a high-speed uniform mixing machine for high-speed and uniform mixing; and (3) performing high-temperature sintering, namely putting ceramic material powder into a high-temperature sintering furnace after high-speed and uniform mixing, increasing the temperature in the high-temperature sintering furnace to 740-770 DEG C, and then sintering for 3 hours at the same temperature; and then increasing the temperature in the high-temperature sintering furnace to 1105-1145 DEG C under the condition that the temperature increase rate is unchanged, then sintering for 2 hours under the condition that the constant temperature is kept, slowly cooling after sintering, and preparing the zirconium silicide based composite ceramic material after cooling.
Zirconium silicide based composite ceramic material and preparation method thereof
The invention belongs to the field of medical ceramic materials, and discloses a zirconium silicide based composite ceramic material and a preparation method thereof. The ceramic material comprises zirconium silicide, zirconium oxide, titanium nitride, aluminum oxide, titanium carbide, vanadium carbide and thorium oxide. The preparation method comprises the following steps: (1) performing ball-milling, namely respectively picking various ceramic materials according to the weight, and performing ball-milling; (2) mixing, namely completely feeding various ceramic materials which are subjected to ball-milling in the step (1) into a high-speed uniform mixing machine for high-speed and uniform mixing; and (3) performing high-temperature sintering, namely putting ceramic material powder into a high-temperature sintering furnace after high-speed and uniform mixing, increasing the temperature in the high-temperature sintering furnace to 740-770 DEG C, and then sintering for 3 hours at the same temperature; and then increasing the temperature in the high-temperature sintering furnace to 1105-1145 DEG C under the condition that the temperature increase rate is unchanged, then sintering for 2 hours under the condition that the constant temperature is kept, slowly cooling after sintering, and preparing the zirconium silicide based composite ceramic material after cooling.
Zirconium silicide based composite ceramic material and preparation method thereof
PAN LIN GEN (Autor:in) / QIU DONGCHENG (Autor:in) / LIU LEFENG (Autor:in)
02.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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