Influence of Homogenization Treatment on Electrochemical Behavior of the Mg-0.8wt%Ga-0.8wt%In Anode Materials

Feng Yan; Ri Chu Wang; Chao Qun Peng

doi:10.4028/www.scientific.net/MSF.788.1

Paper Titles

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Influence of Homogenization Treatment on Electrochemical Behavior of the Mg-0.8wt%Ga-0.8wt%In Anode Materials

Abstract:

The effects of homogenization treatment on the electrochemical corrosion behavior of Mg-0.8wt%Ga-0.8wt%In anode materials were investigated by the polarization and galvanostatic curves tests. The scanning electron micrographs of the secondary phase after heat treatment and the corroded surface of the specimens were observed. The corrosion product of the Mg-0.8wt%Ga-0.8wt%In alloy was determined by X-ray diffraction. The results show that the intergranular compound dissolved in the Mg matrix in the Mg-0.8wt%Ga-0.8wt%In after homogenizing at 673K for 24h. The least corrosion current density, 0.029mA/cm², appeared in this specimen due to the least corrosion driving force. The corrosion of the Mg-0.8wt%Ga-0.8wt%In alloy in a 3.5% NaCl solution was generous corrosion and pitting attack. The corrosion product has been found to be mainly Mg (OH)₂.

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Materials Science Forum (Volume 788)

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1-6

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https://doi.org/10.4028/www.scientific.net/MSF.788.1

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April 2014

Authors:

Feng Yan*, Ri Chu Wang, Chao Qun Peng

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Alloying Element, Corrosion Resistance, Electrochemical Activity, Galvanostatic Curve, Mg Anode

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