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4 铸造合金4．1铸铁4．1．1铸铁cast iron一系列主要由铁、碳和硅组成的合金的总称。在这些合金中,碳含量超过了在共晶温度时能保留在奥氏体固溶体中的量。
4 Casting alloys 4.1 Cast iron 4.1.1 Cast iron cast iron A series of alloys mainly composed of iron, carbon and silicon. In these alloys, the carbon content exceeds the amount that can be retained in the austenitic solid solution at the eutectic temperature.