VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University69310.18287/2541-7533-2009-0-3-1(19)-172-177UnknownQuestions of HCF for materials and details modern GTEPetukhovA. N.vest@ssau.ruCentral Institute of aviation Motors, Moscow0109200983-117217706062014Copyright © 2015, VESTNIK of the Samara State Aerospace University2015<p>Account problems at stages of a choice of constructional materials of features of manufacturing techniques of details and the operational factors influencing HCF are considered</p>Fatigue lifehigh-cycle fatigue (HCF)frettingfretting-fatigueadmissible defectstress deformation stateДолговечностьмногоцикловая усталость (МнЦУ)фреттингфреттинг-усталостьдопустимые дефектынапряжённо-деформированное состояние