| 低浓度含氯介质中氯离子向局部腐蚀闭塞区内的迁移规律及其对应力腐蚀破裂的影响 |
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| 引用本文： | 吕国诚,许淳淳,吕忆民,程海东,HE Zonghu.低浓度含氯介质中氯离子向局部腐蚀闭塞区内的迁移规律及其对应力腐蚀破裂的影响[J].中国化学工程学报,2008,16(4):646-649. |
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| 作者姓名： | 吕国诚 许淳淳 吕忆民 程海东 HE Zonghu |
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| 作者单位： | 1. College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;2. College of Chemical Engineering, Shandong University of Technology, Zibo 255049, China;3. Department of Chemical, Biomedical, and Materials Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA |
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| 基金项目： | 中国石油化工集团公司资助项目 |
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| 摘 要： | The enrichment of chloride anion within the occluded cell （OC） for Type 304 austenitic stainless steel in low chloride concentration solution has been investigated by means of a simulated OC. The influence of the enrichment of chloride anion on stress corrosion crack （SCC） of Type 304 stainless steel has been studied. It was observed that the amount of chloride anion migration was proportional to the charge flowing through the anode. Owning to the effects of enrichment of chloride anion, low chloride concentration solution could induce SCC for Type 304 stainless steel.
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| 关 键 词： | 304 austenitic stainless steel occluded cells enrichment of chloride anion stress corrosion crack |
| 收稿时间： | 2007-11-4 |
| 修稿时间： | 2007-11-4
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The enrichment of chloride anion in the occluded cell and its effect on stress corrosion crack of 304 stainless steel in low chloride concentration solution |
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| LÜ,Guocheng,XU Chunchun,LÜ,Yimin,CHENG Haidong,HE Zonghu.The enrichment of chloride anion in the occluded cell and its effect on stress corrosion crack of 304 stainless steel in low chloride concentration solution[J].Chinese Journal of Chemical Engineering,2008,16(4):646-649. |
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| Authors: | LÜ Guocheng XU Chunchun LÜ Yimin CHENG Haidong HE Zonghu |
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| Affiliation: | 1. College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;2. College of Chemical Engineering, Shandong University of Technology, Zibo 255049, China;3. Department of Chemical, Biomedical, and Materials Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA |
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| Abstract: | The enrichment of chloride anion wimin the occluded cell(OC)for Type 304 austenitic stainleSS steel in low chloride concentration solution has been investigated by means of a simulated OC.The influence of the enrichment of chloride anion on stress corrosion crack(SCC)of Type 304 stainless steel has been studied.It was observed that the amount of chloride anion migration was proportional to the charge flowing through the anode.Owning to the effects of enrichment of chloride anion,low chloride concentration solution could induce SCC for Type 304 stainless steel. |
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| Keywords: | 304 austenitic stainless steel occluded cells enrichment of chloride anion stress corrosion crack |
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