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1·The crack propagation law is described using damage mechanism.

借用损伤机制描述裂纹扩展规律。

2·The crack propagation path follows some regularity on the whole.

裂纹扩展路径总体上遵循一定的规律。

3·Short fatigue crack propagation is much accelerated by filled hydrogen.

充氢条件下，大大加速短裂纹疲劳扩展。

4·The results show that the failure of the tube is due to stress corrosion crack propagation.

结果表明，该进气管断裂系由于应力腐蚀裂纹失稳扩展所造成。

5·A distribution function of two dimensional threshold is given for fatigue crack propagation.

本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。

6·Special attention has been focused on the instability phenomenon associated with crack propagation.

我们特别把注意力集中在裂纹扩张过程中的不稳定现象上。

7·This is formed by the cracks oscillating about the centerline in the direction of crack propagation.

这是由于在裂纹的传播过程中，裂纹尖端沿着传播方向的中线上下振荡所形成的。

8·Transgranular fracture. Fracture of polycrystalline materials by crack propagation through the grains.

多晶材料裂纹穿过晶粒扩展而断裂。

9·The formula of the fatigue crack propagation rate was directly derived from the fatigue damage criterion.

通过疲劳损伤准则，导出疲劳裂纹稳定扩展速率的计算公式。

10·Intergranular fracture. Fracture of polycrystalline materials by crack propagation along grain boundaries.

多晶材料裂纹沿着晶界扩展而断裂。