crack initiation [力] 裂纹萌生 ; 裂纹开裂 ; 裂纹发源
crack initiation life 裂缝孕育期间 ; 裂纹形成寿命 ; 裂纹萌生寿命
crack initiation site 裂纹起始位置
brittle crack initiation COD 脆性启裂COD值
fatigue crack initiation site 疲劳源
apparent crack initiation toughness [材] 表观启裂韧度
apparent crack initiation COD 表观启裂COD值
crack initiation and propagation 裂纹萌生和扩展
Fatigue can be studied with fracture mechanics and life can be evaluated from crack initiation, extension and fracture.
疲劳破坏的研究可以从断裂力学入手,从裂纹萌生、扩展与断裂三个阶段进行寿命的评估。
参考来源 - 铁磁性材料拉伸疲劳的磁记忆信号研究·2,447,543篇论文数据，部分数据来源于NoteExpress
As the fleet ages, there's an increasing need for embedded wireless strain sensors capable of detecting and tracking accumulated strains — "precursors" to crack initiation, according to the official.
随着机群服役时间的增加，对嵌入式无线应力传感器的需求也在不断的增加，通过这些传感器对应力积累进行探测和跟踪，避免飞机机体发生可能的疲劳和破裂。
Corrosion pitting also can lead to fatigue crack initiation depending on the component, the location of pitting, and cyclic loading conditions.
腐蚀斑点还会因不同的部件、斑点的位置和循环载荷状况，导致一些不同的疲劳裂纹。
Improper rework practices can result in unscheduled maintenance or surface damage that causes crack initiation.
翻修不当可能会造成非计划性维修和表面损伤从而造成裂纹。
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