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介绍了压水堆核电站机械设备材料(包括奥氏体不锈钢和镍基合金)应力腐蚀问题的国际及国内研究和工程现状,在分析国内压水堆核电站设备材料失效案例的基础上,对国内核电站设备材料应力腐蚀的预防、缓解和处理提出了建议。
The international and domestic research and engineering status quo of stress corrosion of mechanical equipment materials (including austenitic stainless steel and nickel-base alloy) of PWR nuclear power plant are introduced. Based on the analysis of the failure cases of equipment materials of PWR nuclear power plant in China, Suggestions for the prevention, mitigation and treatment of stress corrosion of equipment materials are put forward.