crack initiation point

基本解释

A new method of determining the dividing point about fatigue crack initiation and propagation for the notch specimens is introduced according to elastic plastic theory.
以缺口件为研究对象，根据弹塑性理论着重介绍了确定缺口试样疲劳裂纹形成与扩展分界点的新方法，经实验验证，与实测值吻合良好。
By the two test schemes, the point of crack initiation, the fracture direction and the size effect of strength of brittle material HT200 in the process of compression are studied.
应用传统强度理论和细观力学方法对几种韧性材料在复合载荷条件下的断裂机理、启裂位置、开裂方向进行了实验分析和应力场计算。