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Composite ceramic material used for crucible and preparation method thereof
The present invention discloses a composite ceramic material used for a crucible and a preparation method thereof, the composite ceramic material comprises alumina, boron nitride, aluminum silicate, ferroferric oxide, nickel silicide, vanadium carbide, vanadium, tantalum carbide, boron hafnium. The preparation method comprises the following steps: (1) respectively taking alumina, boron nitride, aluminum silicate, iron oxide, nickel silicide, vanadium carbide, tantalum carbide and hafnium boride, and using a ball mill for respective ball milling of the above-mentioned ceramic components; (2) pouring the ball milled ceramic components into a high speed mixer for mechanical mixing; (3) using a molding machine for press-molding of the evenly-mixed ceramic powder component; and (4) sintering the press-molded ceramic material at high temperature to obtain the composite ceramic material used for the crucible,wherein the sintering furnace temperature is 950-1150 DEG C, the sintering time is 3h-5h.
Composite ceramic material used for crucible and preparation method thereof
The present invention discloses a composite ceramic material used for a crucible and a preparation method thereof, the composite ceramic material comprises alumina, boron nitride, aluminum silicate, ferroferric oxide, nickel silicide, vanadium carbide, vanadium, tantalum carbide, boron hafnium. The preparation method comprises the following steps: (1) respectively taking alumina, boron nitride, aluminum silicate, iron oxide, nickel silicide, vanadium carbide, tantalum carbide and hafnium boride, and using a ball mill for respective ball milling of the above-mentioned ceramic components; (2) pouring the ball milled ceramic components into a high speed mixer for mechanical mixing; (3) using a molding machine for press-molding of the evenly-mixed ceramic powder component; and (4) sintering the press-molded ceramic material at high temperature to obtain the composite ceramic material used for the crucible,wherein the sintering furnace temperature is 950-1150 DEG C, the sintering time is 3h-5h.
Composite ceramic material used for crucible and preparation method thereof
SUN ZHIJUN (author) / FANG JIGUANG (author)
2015-10-07
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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