%0 Journal Article %T METHODS OF MATERIAL CHOICE FOR COG-WHEELS %A Tikhomirov , V.. %A Strizhenok , A.. %K steel, case-hardening, physical and stress-strain characteristics, cylindrical cog-wheels, wear-resistance, durability (life). %J Bulletin of Bryansk state technical university %D 2016 %N 2016 %P 4 %I Bryansk State Technical University