The stress corrosion cracking(SCC)behavior of X70 steel welded joint was investigated in a near-neutral pH solution by fluctuant slow strain rate test(F-SSRT).
分析温度、应力（应变）和慢应变率等因素对极化曲线的影响，并讨论温度、应力和慢应变率对管道钢发生应力腐蚀开裂的驱动作用。
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