کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
194507 | 459794 | 2006 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Anodic growth of passive layers on steel rebars in an alkaline medium simulating the concrete pores
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Anodic growth of passive layers on steel rebars in an alkaline medium simulating the concrete pores Anodic growth of passive layers on steel rebars in an alkaline medium simulating the concrete pores](/preview/png/194507.png)
چکیده انگلیسی
Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) techniques have been used to study passive layers anodically grown on steel rebars in an aqueous alkaline solution simulating the electrolyte of the concrete pores. Nyquist diagrams recorded by EIS at the different stabilization potentials show a diffusional tail at low frequencies. The analysis of the impedance measurements has been made by means of an equivalent circuit with a Warburg component and within the framework of the point defect model (PDM) theory. It is observed that the calculated concentration of vacancies is a function of the potential in accordance with the theoretical prediction of the PDM.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 52, Issue 1, 5 October 2006, Pages 47–53
Journal: Electrochimica Acta - Volume 52, Issue 1, 5 October 2006, Pages 47–53
نویسندگان
M. Sánchez, J. Gregori, M.C. Alonso, J.J. García-Jareño, F. Vicente,