کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
195644 | 459818 | 2006 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrochemical study on magnesium anodes in NaCl and CaSO4–Mg(OH)2 aqueous solutions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
The anodic dissolution behavior of three samples of magnesium anodes, with different electrochemical efficiency, was studied in two test aqueous solutions: 3% NaCl and saturated CaSO4·2H2O–Mg(OH)2. Polarization curves and electrochemical impedance spectroscopy (EIS) were used. It was found that activation processes takes place at the metal–electrolyte interface. These processes can be represented by two parallel electric equivalent circuits, arranged in series, and in series with the resistance of the solution. It is proposed that the physical meaning of the two parallel circuits can be associated to a charge transfer process and to the presence of a layer of corrosion products on the surface of the metal.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 51, Issues 8–9, 20 January 2006, Pages 1820–1830
Journal: Electrochimica Acta - Volume 51, Issues 8–9, 20 January 2006, Pages 1820–1830
نویسندگان
Fidel Guadarrama-Muñoz, Juan Mendoza-Flores, Ruben Duran-Romero, J. Genesca,