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以深缺口宽板拉伸试验的结果为基础 ,通过建立宽板试验与冲击试验的关系 ,得到了 14MnNbq钢及其焊缝的断裂抗力表达式 ,为该钢的防断适用性分析提供了试验依据
Based on the results of tensile test of deep notched wide slab, the fracture resistance of 14MnNbq steel and its weld was obtained by establishing the relationship between wide slab test and impact test, which provided the experimental basis for the analysis of the suitability of this steel