Development of an environmentally friendly protective coating for the depleted uranium–0.75 wt.% titanium alloy: Part V. Electrochemical impedance spectroscopy of the coating
By Roeper, Donald F.; Chidambaram, Devicharan; Clayton, Clive R. & Halada, Gary P.
Published in Electrochimica Acta
NULL
2008
Abstract
Molybdenum oxide based conversion coatings have been formed on the surface of the depleted uranium–0.75 wt.% titanium alloy. Electrochemical impedance spectroscopy (EIS) measurements have been performed on the as-made and aged coatings and compared with the untreated depleted uranium (DU) alloy. The Nyquist and Bode plots of the as-made coating were similar to the untreated samples and contained capacitive and inductive loops. The aged coating exhibits significantly different behavior from the as-made coating and has been modeled with a four element equivalent circuit that contains a constant phase element (CPE).
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