TY JOUR TI ROLL STAMPING AS AN SEVERE PLASTIC DEFORMATION METHOD KW intensive plastic deformation KW roll forming KW hardening law KW ultrafine grain KW shear bands JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kapyrin, K.I. AU Katuntn, A.A. AU Tryastsin, A.P. PY 2024 IS 9 PB Belgorod State Technological University named after V.G. Shukhov