Vol. 16 No. 1 (2012), Articles
Vol. 16 No. 1 (2012)

Evaluation of the corrosion of duralumin in gasoline and bioethanol blends

Articles
Published 2012-04-29
Dario Yesid Peña-Ballesteros, PhD
Universidad Industrial de Santander
Custodio Vásquez Quintero, MSc
Universidad Industrial de Santander
Hugo Armando Estupiñán-Duran, PhD
Universidad Nacional de Colombia
PDF (Spanish)

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EVALUACIÓN DE LA CORROSIÓN DE UN DURALUMINIO EN MEZCLAS DE GASOLINA Y BIOETANOL (Spanish)

Keywords

Electrochemistry - technical
mixtures
combustion gases - mensuration
duralumin
gavity anomalies
alloys corrosion

How to Cite

Evaluation of the corrosion of duralumin in gasoline and bioethanol blends. (2012). Ingenieria Y Universidad, 16(1), 9. https://doi.org/10.11144/Javeriana.iyu16-1.ecdm
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Abstract

Nowadays, different countries use ethanol as a self-propulsion fuel. However, this biofuel is aggressive for metal parts in the fuel system of an automobile. In this study, we determined the corrosion rate of duralumin, a material used in the production of piston engines, in ethanol-gasoline blends at concentrations of 5 to 20%, through electrochemical impedance spectroscopy (EIS), Tafel polarization and Gravimetry. It was shown that the corrosion process control was mixed with a tendency towards localized corrosion. It is generally observed that the corrosion rate of duralumin decreases during the exposure time.

PDF (Spanish)

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