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Carbide is a kind of high temperature resistant material. Many of them have softening points above 3000 ℃. Most carbides have stronger oxidation resistance than carbon and graphite. Many carbides have high hardness and good chemical stability. There are four ways to make metal like carbides:

(1)将金属氧化物与炭黑混合后，在石墨管状电阻炉或真空电炉中加热到2000～2500℃而制得；

(1) The metal oxide is mixed with carbon black and heated to 2000-2500 ℃ in graphite tube resistance furnace or vacuum electric furnace;

(2)金属与碳在氢气、一氧化碳或甲烷等保护气氛下于1200～2000℃高温合成而得；

(2) Metal and carbon are synthesized at 1200-2000 ℃ under the protective atmosphere of hydrogen, carbon monoxide or methane;

(3)用含碳气体碳化金属(或其氧化物)合成而得；

(3) It is synthesized by carbonizing metal (or its oxide) with carbon containing gas;

(4)金属卤化物、一氧化碳和碳或氢的气体混合物相互作用，获得气相沉积碳化物。

(4) The gas mixture of metal halide, carbon monoxide and carbon or hydrogen interacts to obtain the vapor deposited carbide.

一般制品可用常规成型法。对形状复杂的制品可用液浆浇注法和注射成型法。它们具有共价键结构，很难烧结。多采用常压烧结法、反应烧结法、热压烧结法、浸渍法和重结晶法等。 碳化物陶瓷作为耐热材料和超硬工具用途十分广泛。

General products can be made by conventional forming method. For the products with complex shape, liquid slurry casting and injection molding can be used. They have covalent bond structure and are difficult to sinter. Most of them adopt the methods of atmospheric pressure sintering, reaction sintering, hot pressing sintering, impregnation and recrystallization. Carbide ceramics are widely used as heat-resistant materials and superhard tools.

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