کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1599209 | 1005080 | 2009 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrochemical behavior of microbiologically influenced corrosion on Fe3Al in marine environment
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In this article, microbiologically influenced corrosion behavior of Fe3Al intermetallic compound in microorganism culture medium has been investigated by using weight loss methods, electrochemical techniques, and electron microscopy. Polarization curves showed that a sharp electrical current peak caused by surface pitting could be observed after Fe3Al electrodes were immersed in culture medium for 15 days when the polarization potential was about â790 mV vs SCE. Based on the electrochemical impedance spectroscopy (EIS) and the equivalent circuit parameters of the associated system, the corrosion products were found to exhibit a two-layer structured feature and the microorganisms could induce pitting and erosion corrosion of the inner layer. In addition, the passivating film of the inner layer was absolutely destroyed by microbial metabolic products.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Metallurgica Sinica (English Letters) - Volume 22, Issue 4, August 2009, Pages 313-320
Journal: Acta Metallurgica Sinica (English Letters) - Volume 22, Issue 4, August 2009, Pages 313-320
نویسندگان
Xueting CHANG, Shougang CHEN, Guanhui GAO, Yansheng YIN, Sha CHENG, Tao LIU,