کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
690951 | 1460431 | 2014 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Experimental and theoretical study on corrosion inhibition of o-phenanthroline for aluminum in HCl solution
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The inhibition effect of o-phenanthroline on the corrosion of aluminum in HCl solution was investigated by weight loss, open circuit potential (OCP), potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and scanning electron microscopy (SEM) methods. The neural and protonated molecular structures of o-phenanthroline were studied by quantum chemical calculation. The results show that o-phenanthroline is a good inhibitor, and the adsorption obeys Langmuir isotherm. From polarization curves, o-phenanthroline acts as a cathodic inhibitor. EIS spectra exhibit a large capacitive loop at high frequencies followed by a large inductive one at low frequencies. The inhibition action is confirmed by SEM images.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the Taiwan Institute of Chemical Engineers - Volume 45, Issue 4, July 2014, Pages 1865-1875
Journal: Journal of the Taiwan Institute of Chemical Engineers - Volume 45, Issue 4, July 2014, Pages 1865-1875
نویسندگان
Xianghong Li, Shuduan Deng, Xiaoguang Xie,