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Information × Registration Number 0119U103175, ( 0219U102092  ) R & D request Title Transition mode between adhesion and sliding in tangential dynamic contact for normal and gradient materials Head Liashenko Iakiv O., Registration Date 08-10-2019 Organization Sumy State University popup.description1 The purpose of the project is to create a theory of dynamic contact, taking into account the adhesion in the normal and tangential directions. Based on the theory developed, a transition regime between adhesion and sliding friction mode will be described, using several types of axially symmetric indenters. In particular, parabolic and cylindrical indenters will be considered. The case in which the contact materials have gradient properties will be researched as well. The main objective is to indicate the optimal parameters under which a smooth transition between the modes of adhesion and sliding. The results will help to extend the life of mechanisms in nanoscale systems in which such mode must be tightly controlled, since for large adhesive forces can occur partially or complete destruction in the contact zone, which will change the mode of steady-state operation of the mechanism, or even its failure. popup.nrat_date 2024-12-10 Close