TY JOUR TI Laser electro-chemical treatment tungsten free hard alloy KNT16 in 10% aqueous solution of sodium chloride KW tungsten free hard alloy KW electro-chemical dissolution KW laser-electrochemical treatment KW sodium chloride JO Science intensive technologies in mechanical engineering AU Gaar, N.P. PY 2018 IS 2018 PB Bryansk State Technical University