| 16MnR管线钢在近中性溶液中的电化学行为 |
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| 引用本文： | 方丙炎,韩恩厚,朱自勇,王俭秋,柯伟. 16MnR管线钢在近中性溶液中的电化学行为[J]. 腐蚀科学与防护技术, 2001, 13(6): 318-320 |
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| 作者姓名： | 方丙炎 韩恩厚 朱自勇 王俭秋 柯伟 |
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| 作者单位： | 中国科学院金属研究所 |
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| 基金项目： | 中国科学院“百人计划”，国家重点基础研究发展规划项目专项经费联合资助 (G19990 65 0 ) |
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| 摘 要： | 研究了16MnR管线钢在0.01N Na2CO3+0.01N NaHC O3近中性pH值溶液中的电化学行为，结果表明当扫描速度分别为2 mV/s和0.5 mV/s时有3 个腐蚀电位；分别位于活化区、钝化区和活化-钝化过渡区.并且16MnR在此体系中处于一 个极不稳定的状态.金相显微镜观察其组织为铁素体和珠光体相间排列.
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| 关 键 词： | 16MnR 极化曲线 近中性pH值溶液 腐蚀电位 |
| 文章编号： | 1002-6495(2001)06-0318-03 |
| 修稿时间： | 2000-11-10 |
ELECTROCHEMICAL BEHAVIOR OF 16MnR PIPELINE STEEL IN SOLUTION OF 0.1N Na2CO3 + 0.01N NaHCO3 |
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| FANG Bingyan,HAN Enhou,ZHU Ziyong,WANG Jianqiu,KE Wei. ELECTROCHEMICAL BEHAVIOR OF 16MnR PIPELINE STEEL IN SOLUTION OF 0.1N Na2CO3 + 0.01N NaHCO3[J]. Corrosion Science and Protection Technology, 2001, 13(6): 318-320 |
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| Authors: | FANG Bingyan HAN Enhou ZHU Ziyong WANG Jianqiu KE Wei |
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| Abstract: | This paper mainly studied the electrochemical behavior of 16MnR pipeline steel in a solution of 0.01N Na 2CO 3+0.01N NaHCO 3 with near neutral pH.It was indicated that there were three corrosion potentials when scanning rate were 2 mV/s and 0.5 mV/s respectively for 16MnR in the solution of 0.01N Na 2CO 3+0.01N NaHCO 3.Among them one was in the active range,the second was in the passive range,and the third lays the active-passive range.Conclusively,16MnR was unstable in 0.01N Na 2CO 3+0.01N NaHCO 3.Moreover,the Metallograph showed that the microstructure of the steel was ferrite colony and pearlier colony alternately. |
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| Keywords: | MnR polarization curve near neutral pH solution corrosion potential |
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