| 硫脲在0.5mol/L硫酸溶液中对A3钢缓蚀作用的电化学研究 |
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| 引用本文： | 韩倩倩.硫脲在0.5mol/L硫酸溶液中对A3钢缓蚀作用的电化学研究[J].表面技术,2009,38(4):36-38. |
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| 作者姓名： | 韩倩倩 |
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| 作者单位： | 武汉大学动力与机械学院,湖北,武汉,430072 |
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| 摘 要： | 为研究硫脲在硫酸溶液中对A3钢的缓蚀作用,并为实际生产中选用硫脲作为缓蚀剂的可行性评价提供参考,采用稳态极化曲线和电化学阻抗谱图(EIS)方法分别研究了A3钢在0.5mol/L硫酸溶液和0.5mol/L硫酸溶液+0.3g/L硫脲混合介质中的腐蚀行为.对硫脲在0.5mol/L硫酸溶液中对A3钢的缓蚀作用给出了评价,证明了硫脲在防止腐蚀的过程中对阴阳两极极化过程均有显著作用,并得出其为一种混合抑制型缓蚀剂的结论.
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| 关 键 词： | A3钢 硫脲 稳态极化曲线 电化学阻抗谱 混合抑制型缓蚀剂 |
Study on the Effect of Thiourea on the Inhibition of A3 Carbon Steel in 0.5mol/L H2SO4 Solution with Electrochemical Methods |
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| HAN Qian-qian.Study on the Effect of Thiourea on the Inhibition of A3 Carbon Steel in 0.5mol/L H2SO4 Solution with Electrochemical Methods[J].Surface Technology,2009,38(4):36-38. |
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| Authors: | HAN Qian-qian |
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| Affiliation: | HAN Qian-qian(School of Power , Mechanical Engineering,Wuhan University,Wuhan 430072,China) |
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| Abstract: | The corrosion behavior of A3 carbon steel in 0.5mol/L H2SO4 solution and in the mixture of 0.5mol/L H2SO4 and thiourea was studied respectively in this project by means of the method of stable state polarization curve and electrochemical impedance spectroscopy(EIS) in order to investigate the inhibition effect of thiourea in H2SO4 Solution and providing importance reference to the evaluation of the feasibility of thiourea as an inhibitor in practice.An evaluation on the effect of thiourea on the inhibition ... |
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| Keywords: | A3 carbon steel Thiourea Stable state polarization curve Electrochemical impedance spectroscopy Mixed-type inhibitor |
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