| 点蚀敏感性的评价新方法——极限零概率点蚀电位法 |
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| 引用本文： | 贾志军,李晓刚.点蚀敏感性的评价新方法——极限零概率点蚀电位法[J].中国腐蚀与防护学报,2012,32(5):428-430. |
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| 作者姓名： | 贾志军 李晓刚 |
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| 作者单位： | 1. 清华大学化学工程系 北京 100084
2. 北京科技大学腐蚀与防护中心 北京 100083 |
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| 基金项目： | 国家高技术研究发展计划项目(2009AA063405-04)资助 |
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| 摘 要： | 对1Cr13不锈钢点蚀电位的离散分布进行统计分析，利用点蚀发生概率、门槛电流密度和电极电位的关系，结合直线外延法推测出在极限门槛电流密度下，零概率点蚀电位，即极限零概率点蚀电位，可以作为评价材料耐点蚀性能的参数。
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| 关 键 词： | 不锈钢 点蚀电位 门槛电流值 点蚀 概率 |
| 收稿时间： | 2011-10-25 |
A NEW METHOD FOR EVALUATING PITTING SENSIBILITY OF STAINLESS STEEL - ULTIMATE ZERO PROBABILITY BREAKING POTENTIAL |
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| JIA Zhijun,LI Xiaogang.A NEW METHOD FOR EVALUATING PITTING SENSIBILITY OF STAINLESS STEEL - ULTIMATE ZERO PROBABILITY BREAKING POTENTIAL[J].Journal of Chinese Society For Corrosion and Protection,2012,32(5):428-430. |
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| Authors: | JIA Zhijun LI Xiaogang |
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| Affiliation: | 1.Department of Chemical Engineering,Tsinghua University,Beijing 100084; 2.Corrosion and Protection Center,University of Science and Technology Beijing,Beijing 100083 |
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| Abstract: | In order to give an exact evaluation of pitting resistance of 1Cr13 stainless steels, the discrete data of breaking potential was analyzed. By the relationship of the pitting occurrence probability, threshold value and electrode potential, a new parameter called the ultimate zero probability breaking potential was obtained. It could be used for evaluating the pitting corrosion resistance of the stainless steel. |
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| Keywords: | stainless steel breaking potential threshold value pitting corrosion probability |
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