TY JOUR TI Influence of differential toroidal tool geometry on the elastic state of hardened parts KW surface plastic deformation KW differential toroidal tool KW temporary stresses KW residual stress KW cold hardening depth JO Science intensive technologies in mechanical engineering AU Zaides, S.I. AU Fam, M.. AU Tyutrin, N.O. PY 2026 IS 2026 PB Bryansk State Technical University