Corrosion of zirconium alloys demonstrated by using impedance spectroscopy

By Ren?iukov
Published in Journal of Nuclear Materials 2018

Abstract

Corrosion rate of zirconium alloys is primarily studied using weight gain method. We present a complementary procedure of a continuous and instantaneous monitoring of the corrosion rate using in-situ Electrochemical Impedance Spectroscopy (EIS), which does not disturb corrosion process in an autoclave. Two zirconium alloys, Zry-4 and Zr1Nb, were exposed in a non-active VVER primary coolant at 340

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