Comparative characteristics of basic parameters of reliability of tool made of CC Al₂O₃-TiC without damping and under conditions of damping machining of steel C90E2U at a_p = 0.2 mm; f = 0.1 mm/rev; V_c = 600 m/min. a − probability of failure-free operation; b − probability of failures; c – failure flow; d − failure rate depending on time. 1 – tool of Al₂O₃-TiC; 2 – tool of Al₂O₃-TiC with damping.