TY JOUR TI The calculation method application to choice of thermochemical treatment method for gear wheals of road construction machinery. KW gear wheels KW vacuum carburizing KW plasma nitriding KW contact fatigue resistance KW mathematical modeling. JO Bulletin of Bryansk state technical university AU Demidov , P.. AU Semenov , M.. AU Ryzhova , M.. PY 2014 IS 2014 PB Bryansk State Technical University