Thermogalvanic effects on the corrosion of copper in heavy brine LiBr solutions
NAGIOS: RODERIC FUNCIONANDO

Thermogalvanic effects on the corrosion of copper in heavy brine LiBr solutions

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Thermogalvanic effects on the corrosion of copper in heavy brine LiBr solutions

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Fernández Domene, Ramón Manuel; Blasco-Tamarit, E.; García-García, D.M.; Garcia-Anton, Jose
This document is a artículoDate2012
Thermogalvanic corrosion of copper in heavy brine LiBr solutions has been investigated using a zero-resistance ammeter (ZRA). The temperature gradients between copper electrodes immersed in the same LiBr solution result in the formation of thermogalvanic cells with hot anodes, leading to high and sustained thermogalvanic currents. Copper loss rates, calculated using Faraday's law, substantially exceed 0.025 mm year−1, a value regarded as the threshold of low corrosion rates. The effects of thermogalvanic coupling on the surface properties of the anode and the cathode have been analysed by means of electrochemical impedance spectroscopy (EIS). The results obtained in this analysis have been related to the process of copper electrodissolution in bromide media.

    Fernández Domene, Ramón Manuel Blasco-Tamarit, E. García-García, D.M. Garcia-Anton, Jose 2012 Thermogalvanic effects on the corrosion of copper in heavy brine LiBr solutions Corrosion Science 63 304 315
https://doi.org/10.1016/j.corsci.2012.06.012

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