韧性裂纹开始扩展的J积分值对于韧性断裂的工程构件是一个重要的材料性能指标。
J integral value related to the initiation of ductile crack is important material properties for the engineering structure of ductile fracture.
使钢产生热脆性,降低钢的延展性和韧性,在锻造和轧制时形成裂纹。
Causes the steel to produce the hot brittleness, reduces the steel the ductility and the toughness, when forging and rolling crack.
通过试验研究了力学不均匀性对接头断裂韧性和裂纹开裂角的影响。
Effects of mechanical heterogeneity on fracture toughness and crack deviation Angle of the joints were investigated by experiment.
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