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依据非平衡态热力学和非线性断裂力学基本平衡定律,建立了应力腐蚀裂纹扩展的起裂判据、控制方程及失稳条件,研究了介质浓度对应力腐蚀裂纹扩展的影响,并通过慢应变速率实验得到了验证。
According to the basic equilibrium law of non-equilibrium thermodynamics and non-linear fracture mechanics, the initiation criterion, control equation and instability condition of stress corrosion crack propagation are established. The effects of medium concentration on stress corrosion crack propagation are studied. Through slow strain rate The experiment has been verified.