TY JOUR TI FEATURES OF TESTING COGGED WHEELS OF TRACTION GEARS OF LOCOMOTIVES AND MULTIPLE ROLLING STOCK (REVIEW) KW cogged wheel KW gear KW transmission KW testing KW properties KW viscosity KW hardness KW control KW microstructure KW macrostructure KW strength JO Transport engineering AU Komarovsky, N.V. AU Otoka, A.G. PY 2024 IS 2024 PB Bryansk State Technical University