Investigation of welds by the method of the magneto-optical eddy current flaw detection Nazar Lugovskoy, Vladimir Berzhansky, Dmitry Filippov, Anatoliy Prokopov and Alexandr Shuyskyy EPJ Web Conf., 185 (2018) 02014 Published online: 04 July 2018 DOI: 10.1051/epjconf/201818502014