التفاصيل البيبلوغرافية
| العنوان: |
A Study on Corrosion Inhibitor for Mild Steel in Ethanol Fuel Blend. |
| المؤلفون: |
Vu, Nguyen Si Hoai, Hien, Pham Van, Man, Tran Van, Hanh Thu, Vu Thi, Tri, Mai Dinh, Nam, Nguyen Dang |
| المصدر: |
Materials (1996-1944); Jan2018, Vol. 11 Issue 1, p59, 12p, 1 Black and White Photograph, 4 Charts, 4 Graphs |
| مصطلحات موضوعية: |
ETHANOL as fuel, MILD steel, PHOTOELECTRONS, ETHYL acetate, ELECTROCHEMISTRY |
| مستخلص: |
The main aim of this study is to investigate Aganonerion polymorphum leaf-ethyl acetate extract (APL-EAE) and its inhibiting effect for steel in ethanol fuel blend. The immersion test, electrochemical and surface analysis techniques were successfully carried out in this research. Scanning electron microscope images indicated that the ethanol fuel blend induced pitting corrosion of steel. Remarkably, the surface of the sample containing 1000 ppm APL-EAE is smoother than the others submerged in different conditions. The electrochemical impedance spectroscopy result shows that APL-EAE has formed a good protective layer, preventing corrosive factors from hitting the steel surface. The potentiodynamic polarization data argue that the corrosion inhibition efficiency was strengthened with the increase of APL-EAE concentration. The Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy demonstrated less intensity of Fe peaks, higher intensity of C1s peak and the appearance of organic peaks (N1s, P2p, O1s) from specimens with and without APL-EAE addition. Therefore, the results suggest the formation of the protective film on steel surface and affirm that APL-EAE has served as an effective corrosion inhibitor for steel in ethanol fuel blend. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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