| 高温高压水环境下传热管失效形式及防腐措施研究进展 |
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| 引用本文： | 沈长斌,陶晓杰,杨怀玉,王福会.高温高压水环境下传热管失效形式及防腐措施研究进展[J].腐蚀科学与防护技术,2003,15(4):223-227. |
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| 作者姓名： | 沈长斌 陶晓杰 杨怀玉 王福会 |
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| 作者单位： | 1. 中国科学院金属研究所,金属腐蚀与防护重点实验室,沈阳,110016;大连铁道学院材料科学与工程系,大连,116028
2. 中国科学院金属研究所,金属腐蚀与防护重点实验室,沈阳,110016 |
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| 摘 要： | 分析了在高温高压水环境下，压水堆(PWR)蒸汽发生
器传热管的失效形式及原因，总结了应力腐蚀开裂(SCC)的相关机理，并针对奥氏体不锈钢的应力腐蚀开裂—一种严重的环境促进腐蚀开裂(EAC)形式，分析了相应的解决措施，特别是缓蚀剂解决措施.
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| 关 键 词： | 高温高压水环境 传热管 |
| 文章编号： | 1002-6495(2003)04-0223-05 |
| 修稿时间： | 2000年8月2日 |
A REVIEW OF CORROSION FAILURE AND ITS PREVENTION OF STEAM GENERATOR'S TUBINGS UNDER HIGH-TEMPERATURE AND HIGH-PRESSURE WATER |
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| SHEN Chang bin ,TAO Xiao jie ,YANG Huai yu ,WANG Fu hui State Key Laboratory for Corrosion and Protection.A REVIEW OF CORROSION FAILURE AND ITS PREVENTION OF STEAM GENERATOR''''S TUBINGS UNDER HIGH-TEMPERATURE AND HIGH-PRESSURE WATER[J].Corrosion Science and Protection Technology,2003,15(4):223-227. |
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| Authors: | SHEN Chang bin TAO Xiao jie YANG Huai yu WANG Fu hui State Key Laboratory for Corrosion and Protection |
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| Affiliation: | SHEN Chang bin 1,2,TAO Xiao jie 1,YANG Huai yu 1,WANG Fu hui 1 1 State Key Laboratory for Corrosion and Protection,Institute of Metal Research,The Chinese Academy of Sciences,Shenyang 110016,China, 2 Department of Materials Science and Engineering,Dalian Railway Institute,Dalian 116028,China |
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| Abstract: | The failure types of steam generators' tubings working under the high temperautre,high pressure and high purity water were analyzed,including wastage,denting,fretting,IGSCC(Intragranular stress corrosion cracking),PWSCC(primary water stress corrosion cracking) etc and the relevant causes were briefly discussed.The mechanism of SCC(stress corrosion cracking),a kind of severe EACs(environmentally assisted crackings),were particularly reviewed,because of its severity in steam generator's tubings.Meanwhile,some kinds of methods to suppress the initiation and propagation of steam generator's SCC were discussed,especially,the use of inhibitors. |
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| Keywords: | high temperature and high pressure water chemistry steam generators' tubing SCC anti corrosion method |
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