Study of oxide layers on metals and alloys by cyclic local voltammetry Anton E. Gukin, Yuliya V. Rublinetskaya, Natalja A. Rasshchepkina and Vyacheslav V. Slepushkin E3S Web Conf., 121 (2019) 01005 Published online: 14 October 2019 DOI: 10.1051/e3sconf/201912101005