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首页> 外文期刊>Journal of Materials Engineering and Performance >Corrosion Inhibition of Zn-Al-Cu Alloy by 2-Aminothiazole
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Corrosion Inhibition of Zn-Al-Cu Alloy by 2-Aminothiazole

机译：2-氨基噻唑对Zn-Al-Cu合金的缓蚀作用

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摘要

The inhibitive effect of 2-aminothiazole on corrosion of Zn-Al-Cu alloy was investigated in acid, neutral and alkaline media by impedance and polarization techniques. The impedance data were fitted to a simple equivalent circuit model and indicated control by a diffusion process. Satisfactory inhibition was obtained in alkaline and neutral media. On the other hand, quite low inhibition efficiency was observed in acid medium. Increase in concentration of the inhibitor increased the inhibitive effect, whereas the reverse was observed when the temperature was increased. Different adsorption isotherms were tested in neutral and alkaline media, the best fit was obtained for the Freundlich isotherm. The highest value for the free energy change was recorded in alkaline medium in accordance with the high inhibition efficiency observed in this medium.
机译：通过阻抗和极化技术研究了2-氨基噻唑在酸性，中性和碱性介质中对Zn-Al-Cu合金腐蚀的抑制作用。将阻抗数据拟合到简单的等效电路模型，并通过扩散过程指示控制。在碱性和中性介质中均获得令人满意的抑制作用。另一方面，在酸性介质中观察到相当低的抑制效率。抑制剂浓度的增加增加了抑制作用，而温度升高则相反。在中性和碱性介质中测试了不同的吸附等温线，获得了Freundlich等温线的最佳拟合。根据在该介质中观察到的高抑制效率，在碱性介质中记录了自由能变化的最大值。

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