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依据延性断裂韧度 J1c单试样测定方法 ,试验测定了奥氏体不锈钢 ( S31 6L)焊缝金属的断裂韧度 ,给出小样本下 J1c最优拟合概率分布函数的确定方法 ,得出 S31 6L焊缝金属断裂韧度的最优概率分布函数为 Weibull分布。
The fracture toughness of the weld metal of austenitic stainless steel (S31 6L) was measured and the method of determining the optimal fitting probability distribution function of J1c in small samples was given based on the single specimen determination method of ductile fracture toughness J1c. S31 6L weld metal fracture toughness of the optimal probability distribution function for the Weibull distribution.