| 硝酸铈对镁合金在硝酸铵溶液中的缓蚀作用 |
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| 引用本文： | 白玮,肯生叶,李蕾,高更瑞,叶艳青,王彦. 硝酸铈对镁合金在硝酸铵溶液中的缓蚀作用[J]. 腐蚀与防护, 2010, 31(10) |
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| 作者姓名： | 白玮 肯生叶 李蕾 高更瑞 叶艳青 王彦 |
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| 作者单位： | 云南民族大学化学与生物技术学院,昆明,650031;云南大学生物资源保护与利用国家重点实验室基地,昆明,650091 |
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| 基金项目： | 国家自然科学基金项目(50761007); 云南省自然科学基金项目(2006E008Q); 云南省教育厅基金项目(06Y073A) |
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| 摘 要： | 采用失重法、Tafel极化曲线和电化学阻抗谱法研究了在1 mol/L硝酸铵溶液中,稀土盐硝酸铈对镁合金的缓蚀作用。试验结果表明:在硝酸铵溶液中,硝酸铈能较好地减缓镁合金的腐蚀;硝酸铈对镁合金的缓蚀作用随其添加浓度的增加先增大,以后略有减小,硝酸铈浓度为1×10-3mol/L时,缓蚀率达到最大。
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| 关 键 词： | 硝酸铵 镁合金 硝酸铈 腐蚀 缓蚀作用 |
Corrosion Inhibition Effect of Cerium Nitrate on Magnesium Alloy in Ammonium Nitrate Solution |
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| BAI Wei,KEN Sheng-ye,LI Lei,GAO Geng-rui,YE Yan-qing,WANG Yan. Corrosion Inhibition Effect of Cerium Nitrate on Magnesium Alloy in Ammonium Nitrate Solution[J]. Corrosion & Protection, 2010, 31(10) |
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| Authors: | BAI Wei KEN Sheng-ye LI Lei GAO Geng-rui YE Yan-qing WANG Yan |
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| Affiliation: | BAI Wei1,KEN Sheng-ye1,LI Lei2,GAO Geng-rui2,YE Yan-qing1,WANG Yan1(1.Yunnan Nationalities University,Kunming 650031,China,2.Laboratory for Conservation & Utilization of Bio-resource,Yunnan University,Kunming 650091,China) |
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| Abstract: | The corrosion inhibition effect of cerium nitrate on magnesium alloy in 1 mol/L ammonium nitrate solution was studied by methods of weight-loss test,Tafel polarization curves and electrochemical impedance spectroscopy.Experimental results showed that the cerium nitrate exhibited good inhibition effect on magnesium alloy in 1 mol/L ammonium nitrate solution.The inhibition efficiency of cerium nitrate increased with increasing inhibitor concentration firstly and then decreased slightly,the maximum inhibition ... |
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| Keywords: | ammonium nitrate magnesium alloy cerium nitrate corrosion inhibition |
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