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本文回顾断裂韧性与金属组织和形貌的关系,利用这些关系,可从金相试验的结果估算出断裂韧性K_(Ic)的数值。
In this paper, the relationship between fracture toughness and metal microstructure and morphology is reviewed. Based on these relationships, the fracture toughness K_ (Ic) can be estimated from the results of metallographic tests.