VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University41610.18287/2541-7533-2006-0-2-2(10)-240-244Kinetics of fatigue failure of hard alloysNassifN. S.sadohina@ssau.ruIbatullinI. D.sadohina@ssau.ruKremlevV. I.sadohina@ssau.ruBarynkinV. E.sadohina@ssau.ruSamara State Technical University1808200652-224024423052014Copyright © 2015, VESTNIK of the Samara State Aerospace University2015In the paper results of an experimental research of kinetics of fatigue failure of hard alloy teeth of chisels are described at cyclic shock influence. It is shown, that kinetics of damaging the teeth may be described by calculation models, received on the basis of structure-energetic theory.