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1·Crack defect promotes crack initiation and growth.

裂纹缺陷促进了裂纹的萌生和扩展。

2·A method for crack initiation life prediction of components is presented.

本文提出一种零部件的裂纹形成寿命的类比估算方法。

3·The fatigue crack initiation behaviour and its mechanism were investigated.

研究它们在循环加载下的疲劳裂纹萌生行为及其机制。

4·Crack initiation life is much longer than those of low shot peening pressure.

低喷丸强度试件表面微裂纹大量萌生，密度非常高。

5·The results shows that crack initiation induced by particles of additives or fillers.

结果表明， 裂纹萌生是由较大的第二相颗粒引起的。

6·The causations of crack initiation in a right landing chassis wheel axle were analyzed.

分析了某型飞机右起落架轮轴产生裂纹的原因。

7·The crack initiation life and the crack fracture life are the main life of the specimen.

试样寿命主要由裂纹萌生寿命和断裂寿命组成，扩展寿命所占比例较少。

8·The results indicate that sulfur content has marked influence on the crack initiation energy.

研究发现，硫含量对裂纹塑性形核功的影响最显著。

9·Pre-damage would accelerate crack initiation and propagation, and increase the degree of damage.

预损伤加快了裂纹的产生、扩展，使得损伤程度进一步加重；

10·Because of the bad compatibility of wood flour and polyethylene, the crack initiation time shortened.

木粉与高密度聚乙烯的相容性不好，是裂纹引发时间缩短的主要原因。