TY JOUR TI On positive experience in application of ferroalloys under microarc thermochemical treatment KW surface hardening KW microarc thermochemical treatment KW formation of highly-rigid coating on the surface of steel products. JO Vestnik of Don State Technical University AU Stepanov, M.. AU Dombrovskiy, Y.. AU Davidyan, L.. PY 2016 IS 16 PB Don state technical University