%0 Journal Article %T Physical and mechanical properties of WC-Cocemented carbides of roller cone bits with inhomogeneous structures %A Zhadyaev, A.A. %K roller bits, tungsten-cobalt alloys, cemented carbide defects, structure, mechanical properties, crack resistance %J Science intensive technologies in mechanical engineering %D 2022 %N 2022 %P 8 %I Bryansk State Technical University