Hardening the rolling surface of the wheels bandage after mechanical treatment Sherzod Fayzibaev, Irina Soboleva, Rodion Nigay and Izzatillo Raxmiddinov E3S Web of Conf., 458 (2023) 10003 Published online: 07 December 2023 DOI: 10.1051/e3sconf/202345810003