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Influence of the secondary phase on micro galvanic corrosion of low carbon bainitic steel in NaCl solution
Wei, J; Dong, JH; Zhou, YT; He, XY; Wang, CG; Ke, W; Dong, JH (reprint author), Chinese Acad Sci, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China.
2018-05-01
发表期刊MATERIALS CHARACTERIZATION
ISSN1044-5803
卷号139页码:401-410
摘要The corrosion behavior of lath bainitic and granular bainitic steels in 0.01 mol/L NaCl solution was studied by SEM and TEM observation, electrochemical monitoring and weight loss test. The results indicate that the micro galvanic couple forms between the steel matrix and the secondary phase, which causes non-uniform micro corrosion on surfaces of two steels. In lath bainitic steel, the secondary phase omega acts as the micro anode. While in granular bainitic steel, the secondary phase M acts as the micro cathode. Moreover, the corrosion acceleration caused by micro galvanic couple is obvious in the initial immersion stage, and then it becomes weak during the long term corrosion.; The corrosion behavior of lath bainitic and granular bainitic steels in 0.01 mol/L NaCl solution was studied by SEM and TEM observation, electrochemical monitoring and weight loss test. The results indicate that the micro galvanic couple forms between the steel matrix and the secondary phase, which causes non-uniform micro corrosion on surfaces of two steels. In lath bainitic steel, the secondary phase omega acts as the micro anode. While in granular bainitic steel, the secondary phase M acts as the micro cathode. Moreover, the corrosion acceleration caused by micro galvanic couple is obvious in the initial immersion stage, and then it becomes weak during the long term corrosion.
部门归属[wei, jie ; dong, junhua ; zhou, yangtao ; he, xiaoyan ; wang, changgang ; ke, wei] chinese acad sci, inst met res, 62 wencui rd, shenyang 110016, liaoning, peoples r china
关键词Low-alloy Steel Bottom Plate Environment Cargo Oil Tank Mechanical-properties Pitting Corrosion Mns Inclusions Stainless-steel In-situ Microstructure Behavior
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
资助者National Natural Science Foundation of China [51501201]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79323
专题中国科学院金属研究所
通讯作者Dong, JH (reprint author), Chinese Acad Sci, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Wei, J,Dong, JH,Zhou, YT,et al. Influence of the secondary phase on micro galvanic corrosion of low carbon bainitic steel in NaCl solution[J]. MATERIALS CHARACTERIZATION,2018,139:401-410.
APA Wei, J.,Dong, JH.,Zhou, YT.,He, XY.,Wang, CG.,...&Dong, JH .(2018).Influence of the secondary phase on micro galvanic corrosion of low carbon bainitic steel in NaCl solution.MATERIALS CHARACTERIZATION,139,401-410.
MLA Wei, J,et al."Influence of the secondary phase on micro galvanic corrosion of low carbon bainitic steel in NaCl solution".MATERIALS CHARACTERIZATION 139(2018):401-410.
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