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Information × Registration Number 0221U100429, 0119U002248 , R & D reports Title Improvement of reliability and forecasting of the safe operational life of elements for turbine engines of aviation engineering popup.stage_title Head Duriagina Zoya A., Доктор технічних наук Registration Date 05-01-2021 Organization Lviv Polytechnic National University popup.description2  The classification of gas turbine engines and characteristic thermodynamic processes that take place in such engines are analyzed. Structural materials used for the manufacture of various elements of gas turbine engines are described. The results of tests of Bridgman samples under three-point cyclic loading by rotational bending are presented. Under these conditions, the specific deformation energies for heat-resistant steel EI961 and titanium alloy VT8 were determined. The results of studies of the structure of the surface layers of heat-resistant steel EI961 and titanium alloy VT8 at the minimum and maximum load cycle are presented. The dynamics of deformation change for the calculation of energy losses of the material during the load cycle is established. The influence of the stress-strain state of the investigated materials after low-cycle fatigue tests by three-point rotational bending is established Product Description popup.authors Ivanytskyi Yaroslav L Bohun Lidiya I Bondarchuk Diana O Vavrukh Valentyna I Veretko Volodymyr M Hrydova Halyna A Kovbasiuk Taras M Kulyk Volodymyr V Lemishka Ihor A Lenkovskyi Taras M Lyutyy Pavlo Ya Molkov Yuriy V Tepla Tetiana L Trostianchyn Andrii M Filimonov Oleksiy S Shevchuk Vira H popup.nrat_date 2021-01-05 Close