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研究了复合变质ＺＬ１０１合金的断裂韧性，对其机理进行了分析。结果表明，采用复合变质处理ＺＬ１０１合金可获得ＫＩＣ＝７５．８ｋｇ·ｍｍ－３２较高的断裂韧性。
The fracture toughness of the composite metamorphic ZL101 alloy was studied and its mechanism was analyzed. The results show that the higher fracture toughness of KIC = 75.8kg · mm-32 can be obtained by compound modification of ZL101 alloy.