摘要
本文用线弹性断裂力学方法评定了焊接接头根部的疲劳强度。论述了材料的疲劳裂纹扩展阻力。
Linear fracture mechanics is used to analysis the fatigue intensity of the melting in the paper, which discusses the expanding resistance of fatigue crack, stress intensity factor of crack, and mixing fracture condition.
出处
《齐齐哈尔大学学报（自然科学版）》
2001年第2期85-86,共2页
Journal of Qiqihar University(Natural Science Edition)
关键词
线弹性断裂力学
疲劳强度
疲劳裂纹扩展阻力
裂纹应力强度因子
断裂条件
linear fracture mechanics
fatigue intensity
expanding resistance of fatigue crack
stress intensity factor of crack
mixing fracture condition
