low-stress fatigue fracture 低应力疲劳断裂
Fatigue fracture under high stress 大应力疲劳断裂
Stress corrosive fatigue fracture 应力腐蚀疲劳断裂
Under the action of tensile stress and tensile stress, the bolt with relatively low strength will crack first, and then the fatigue fracture will occur.
在拉应力和应拉力交替的作用下，强度相对较低的螺栓会先产生裂纹，进而发生疲劳断裂。
The design mainly involves the analysis of the stress, fatigue, thermal ratchet and fracture mechanics, the analysis of flow-induced vibration of the internals and the test verification.
主要涉及的内容包含每个设备部件的应力、疲劳、热棘轮、断裂力学分析和内部构件流致振动分析以及试验验证等。
The authors conclude that spondylolysis is mainly the fatigue fracture due to locally increased stress and is contributing most by backward extension of lumbar spine.
作者认为，椎弓峡部裂实质上主要是由局部应力增高而引起的疲劳骨折，而腰椎后伸与其关系最为密切。
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