TY JOUR TI Phase structure control in austenite steels during surface strengthening by high-temperature nitride hardenin KW thermal-chemical treatment KW austenitic steels KW nitride hardening KW corrosion wear-resistance KW wear resistance JO Science intensive technologies in mechanical engineering AU Petrova, L.G. AU Sergeeva, A.S. PY 2020 IS 2020 PB Bryansk State Technical University