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基于58SiMn和35CrMnSiA钢的动态断裂韧性测定的试验研究,初步讨论了试样的韧带尺寸变化、跨距尺寸变化及全面尺寸变化对K_(Id)的影响。认为,动态断裂韧性试样尺寸要求与静态断裂韧性试样尺寸要求基本是一致的。
Based on the experimental study on dynamic fracture toughness of 58SiMn and 35CrMnSiA steels, the effects of ligament size change, span size change and overall dimensional change on K_ (Id) were discussed preliminarily. That the dynamic fracture toughness of the sample size requirements and static fracture toughness sample size requirements are basically the same.