Model of the Ultimate Stress State of the Coated Tool Cutter Material Aleksei Osinnii, Jury Bublikov, Anatoli Chigarev, Anna Okun’kova and Nataliya Kapustina EPJ Web Conf., 248 (2021) 04009 Published online: 26 April 2021 DOI: 10.1051/epjconf/202124804009