Electrical properties of epoxy composites based on carbon black Artyom A. Shestakov, Nikita I. Lapekin, Andrey E. Brester, Evgenii A. Maksimovskii, Arina V. Ukhina and Alexander G. Bannov MATEC Web Conf., 340 (2021) 01052 Published online: 08 July 2021 DOI: 10.1051/matecconf/202134001052