Stress concentrations can lead to initiation of cracking by fatigue, stress corrosion, or hydrogen-assisted stress corrosion.
应力集中可能会导致疲劳、应力腐蚀或氢基应力腐蚀而产生裂纹。
The threshold stress and fracture stress of hydrogen-induced cracking of X80 pipeline steel are studied by constant load test and slow stain rate test.
采用恒载荷和慢应变速率动态拉伸实验方法，测定了X80管道钢在不同充氢条件下的氢致开裂门槛应力和断裂应力。
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