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Information × Registration Number 0216U000776, 0115U004001 , R & D reports Title Development of technology for deformation-diffusion formation of strengthened layers on the surfaces of of hydraulic cylinders of VT22 titanium alloy to ensure the high levels of operating characteristics popup.stage_title Head Pohrelyuk Iryna, Доктор технічних наук Registration Date 03-03-2016 Organization Karpenko Physico-Mechanical Institute of the National Academy of Science of Ukraine popup.description2 The general laws of thermal diffusion saturation of the surface layer of the two-phase high-strength VT22 titanium alloy nitrogen and proposed a new solution of scientific and technical problems increase its wear resistant by providing a regulated surface and volume at strengthening the combination of thermal and thermo-chemical treatments in a single technological cycle. The dependences of the phase composition and structure of the surface layers, hardness and depth of modified layer of titanium alloy VT22 concentration, temperature and time parameters nitriding, combined with heat treatment. It is shown that the variation of these parameters can influence the properties of a gradient in the surface layer of consolidated and, therefore, the performance properties of the alloy with layers. Recommended modes scheme and nitriding alloy VT22. Grounded parameters HPPD (running-in) and modes next Thermo-diffusion nitrogen saturation in combination with heat treatment in one process cycle in which the combined processing of alloy VT22 formed near-surface hardened layers, structure, level of hardening and surface quality which provide high Tribotechnical characteristics paired with bronze BrAZhN 04/04/10. Established that for high durability friction pair VT22- BrAZhN 04.04.10 HPPD appropriate conduct, increasing the number of passes at small loads. Increased efforts of plastic deformation (to 700 N) does not give a positive result. Product Description popup.authors Кравчишин Тарас Миронович Лаврись Сергій Мирославович Лук'яненко Олександр Геннадійович popup.nrat_date 2020-04-02 Close