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math, physics, and chemistry
:
metallurgy
>
炭砖
carbon refractory
由焦炭或热处理过的无烟煤与煤焦油等在还原焰中烧成的一种中性耐火材料。含碳约88%-90%。具有高的热稳定性、耐火度、导热性和导电性。能抗熔融金属和熔渣的侵蚀,但易被氧化。主要用于熔融金属与炉的砌筑体接触的地方,如高炉的炉膛和炉底,熔融有色金属的竖炉,熔融电石、铁合金等的电炉等。