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Information × Registration Number 0301U002201, 0100U001822 , R & D reports Title The theoretical substantiation of the performance criterions and the methods of optimization of the discrete mechanical systems with viscoelastic internal and nonholonomic external gangings popup.stage_title Створення узагальненої динамiчної моделi i вибiр критерiїв якостi дискретних механiчних систем Head Serdyuk A.O., Registration Date 23-02-2001 Organization National Mining University of Ukraine popup.description2 The generalized rated circuits and mathematical models of interaction of wheel and rail in consideration of geometrical imperfection and intermediate viscoplastic medium, generalized rated circuit and mathematecal model for solution of the problem of optimization of parameters and control are selected, the performance criterions are selected. Descriptions of crack resistance of composition materials, received by explosion welding, are researched.The composition materials, received by diverse parameters explosion welding, with in advance created crack, are subjected by Mechanical trials.Trials result established, that change of parameters of shock-wave loading brings about change of descriptions crack resistance of composition materials, that connected with structure and junctions borders properties, formed attached to welding.Creation of viscid stratum on crack diffusion way is followed with augmentation static and cyclic crack resistance of composition materials . Product Description popup.authors popup.nrat_date 2020-04-02 Close