石化特种设备中的硫化氢应力腐蚀与残余应力
北京工业大学,北京 100022
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摘要
针对石化特种设备中硫化氢(H2S)应力腐蚀问题现状,综合比较了国际权威机构NACE,EFC以及ISO发布的最新标准、规范,对H2S应力腐蚀的环境界定、试验方法、影响因素、应力腐蚀评价准则及对材料的要求等做了扼要的综述。同时对焊接残余应力的产生、测定方法、消除措施等进行了论述,列举了实际参与研究的发生应力腐蚀容器的实例及残余应力的影响。
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