...疲劳裂纹扩展抗力 resistance to propagation of fatigue crack ; resistance of fatigue cracks ; resistance of fatigue crack extending ; fatigue crack resistance ..
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fatigue crack growth resistance 疲劳裂纹扩展阻力
fatigue crack propagation resistance 疲劳裂纹扩展阻力
resistance to fatigue crack growth 疲劳裂纹扩展阻力
The difference of mechanism between normal section fatigue crack resistance and static crack resistance for prestressed concrete members was analyzed.
针对预应力混凝土构件的正截面疲劳开裂机理与静力开裂机理的差异。
The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation.
预应变可以延长疲劳裂纹形成寿命，提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值；
It is indicated that retained austenite in microstructure can inhibit the initiation and propagation of fatigue crack, improve the resistance to impact fatigue and decrease impact fatigue wear.
试验得出，残余奥氏体可阻止疲劳裂纹的萌生和扩展，提高冲击疲劳抗力，降低冲击疲劳磨损。
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