TY JOUR TI Effectiveness assessment of pre-heating application at thermo-resistant alloy surfacing upon tool steel KW surfacing KW pre-heating KW wear-resistant alloys KW structures KW transfer area KW hardness JO Science intensive technologies in mechanical engineering AU Fastov, S.A. AU Zorin, I.V. AU Lysak, V.I. AU Kharlamov, V.O. PY 2021 IS 2021 PB Bryansk State Technical University