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Stress Corrosion Cracking of Pressure Vessel Steel and Countermeasures by Titanium-Based & Cerium-Based Inhibitors in Subcritical Aqueous Environment

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【作者】 沈长斌； 韩冬云； 杨怀玉； 王福会；

【Author】 Shen Changbin (1,2*),Han Dongyun 1,Yang Huaiyu 1,Wang Fuhui 1 (1. State Key Laboratory for Corrosion and Protection,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China;2. Department of Materials Science & Engineering,Dalian Railway Institute,Dalian 116028,China)

【机构】 State Key Laboratory for Corrosion and Protection； Institute of Metal Research； Chinese Academy of Sciences； Chinese Academy of Sciences Shenyang 110016； China； Department of Materials Science & Engineering； Dalian Railway Institute； Dalian 116028； China； Shenyang 110016；

【Abstract】 An overview of a severe kind of environmentally-assisted cracking-stress corrosion cracking (SCC) of pressure vessel steel (PVS),such as stainless steel 304, alloy 600,690 and other nickel-based alloys in subcritical (～300 ℃) aqueous environment was given. The mechanisms of SCC of metals under this inclement surrounding were briefly generalized. Herein,some pragmatic solutions to mitigate the SCC susceptibility and retard its propagation were presented. The titanium and cerium-based inhibitors addition countermeasure was highlighted.

【关键词】 pressure vessel steel； subcritical aqueous environment； stress corrosion； titanium & cerium-based inhibitors-addition； rare earths；
【Key words】 pressure vessel steel； subcritical aqueous environment； stress corrosion； titanium & cerium-based inhibitors-addition； rare earths；
  • 【文献出处】 Journal of Rare Earths ,稀土学报(英文版) , 编辑部邮箱 ,2003年S1期
  • 【分类号】TG172.9
  • 【下载频次】49
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