研究了超高强度板条马氏体钢的平面应变断裂韧性与缺口韧性、拉伸塑性之间的关系。
The relationship between fracture toughness and notch toughness, tensile ductilities in lath martensite steel has been investigated.
本文，对混凝土弯曲试样进行了测试，并用四种不同的方法进行了平面应变断裂韧性的计算和比较。
In this paper, the test results of bending concrete specimens are shown, and the vlues of plane-strain fracture toughness, calculated by four different methods, are compared with one another.
结果表明，含氮量对滚动接触疲劳寿命及平面应变断裂韧性具有很显著的影响，而对耐磨性影响很小。
The results show that nitrogen has remarkable influences on rolling contact fatigue life and plain strain fracture toughness, and little influences on wear resistance.
平面应变断裂韧性(KIc)：平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
平面应变断裂韧性(KIc)：平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
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