| 环境因素对碳钢点蚀临界电势的影响 |
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| 引用本文： | 谷宁,李春梅.环境因素对碳钢点蚀临界电势的影响[J].材料保护,2002,35(7):20-21. |
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| 作者姓名： | 谷宁 李春梅 |
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| 作者单位： | 河北师范大学化学系,河北,石家庄,050016 |
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| 摘 要： | 采用动电势扫描法测定了不同体系中碳钢发生点蚀的临界电势Eb。结果表明 :当Cl- 浓度 <0 .0 1mol/L时 ,随Cl- 浓度增加 ,临界电势负移并与Cl- 浓度成线性关系 ;pH值在 7～ 11之间 ,随pH值增加 ,临界电势正移并与pH值成线性关系 ;随温度增加 ,临界电势负移并与温度成线性关系。
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| 关 键 词： | 碳钢 点蚀临界电势 阳极极化曲线 |
| 文章编号： | 1001-1560(2002)07-0020-02 |
Environmental Factors Influencing Pitting Critical Potential of Carbon Steel |
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| GU Ning,LI Chun mei.Environmental Factors Influencing Pitting Critical Potential of Carbon Steel[J].Journal of Materials Protection,2002,35(7):20-21. |
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| Authors: | GU Ning LI Chun mei |
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| Abstract: | Pitting critical potentials E b of carbon steel were determined in various solutions by potentiodynamic scanning method. Results showed that there were linear relationships between pitting critical potential and chlorine concentration or pH or temperature. |
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| Keywords: | carbon steel pitting critical potential anodic polarization curve |
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