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

›› 2008, Vol. 16 ›› Issue (4): 646-649.

• PROCESS AND PRODUCT TECHNOLOGY • Previous Articles Next Articles

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

L� Guocheng¹, XU Chunchun¹, L� Yimin², CHENG Haidong¹, HE Zonghu³

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

Received:2007-11-04 Revised:2008-01-23 Online:2008-08-28 Published:2008-08-28
Supported by:
China Petroleum&Chemical Corporation(306021)

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

吕国诚¹, 许淳淳¹, 吕忆民², 程海东¹, 何宗虎³

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

通讯作者: XU Chunchun, E-mail: chunchunxu@263.net
基金资助:
China Petroleum&Chemical Corporation(306021)

Abstract

Abstract: 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.

Key words: 304 austenitic stainless steel, occluded cells, enrichment of chloride anion, stress corrosion crack

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.

关键词: 304 austenitic stainless steel, occluded cells, enrichment of chloride anion, stress corrosion crack

L� Guocheng, XU Chunchun, L� 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]. , 2008, 16(4): 646-649.

吕国诚, 许淳淳, 吕忆民, 程海东, 何宗虎. 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]. , 2008, 16(4): 646-649.

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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

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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