The mechanism of crack propagation is thus suggested.
提出了裂纹扩展机制。
Then the crack propagation life of the disk is determined.
最后算出裂纹疲劳扩展寿命。
Grain size had some effect on the rate of crack propagation.
晶粒尺寸大小对裂纹扩展速率也有影响。
The crack propagation law is described using damage mechanism.
借用损伤机制描述裂纹扩展规律。
The results show that the direction of crack propagation is parallel to the surface.
扫描照片显示裂纹扩展方向平行于表面。
The models for crack propagation position, expanded direction, etc. are put forward under various stresser.
在不同应力情况下，给出了结构的裂纹发生部位、裂纹扩展方向等模式。
The metastable propagation rate of crack is approximately a constant in a certain size range.
在一定尺寸范围内，裂纹的亚稳扩展速率近似是常数。
The metastable propagation rate of crack is approximately a constant in a certain size range.
在一定尺寸范围内，裂纹的亚稳扩展速率近似是常数。
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