TY JOUR TI Modification of a high-speed cutting tool surface by combined tungsten steel and nitrogen saturation KW high-speed steels KW tool KW diffusion metallization KW nitriding JO Science intensive technologies in mechanical engineering AU Petrova, L.G. AU Sergeeva, A.S. AU Vdovin, V.M. PY 2023 IS 2023 PB Bryansk State Technical University