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Information × Registration Number 0226U001394, (0123U100107) , R & D reports Title Study of the influence of sign-changing deformation parameters on the stress-strain state of strip-type profiles popup.stage_title Збір і аналіз існуючих методів визначення енергосилових параметрів процесу знакозмінної деформації штаби у роликовому згино-розтягувальному пристрої. Розробка і експериментальна перевірка математичної моделі визначення енергосилових параметрів процесу протяжки штаби через роликовий згино-розтягувальний пристрій. Head Razdobrieiev Valerii H., Кандидат технічних наук Registration Date 26-01-2026 Organization Institute of Ferrous Metallurgy. ZI Nekrasov of the National Academy of Sciences of Ukraine popup.description1 Establishing the dependences of changes in energy parameters and the stress-strain state of the metal during stretching of staffs through a roller bending-stretching device. popup.description2 The following tasks were solved in the work: a method was developed for calculating the energy-power parameters of the process of alternating deformation of a strip-type profile in a roller bending-tensile device, taking into account the geometric dimensions of the profile and the friction forces at the profile-roller contact; a method for calculating the stress-strain state of a strip-type profile metal during its alternating deformation in a bending-tensile device has been developed, which takes into account a comprehensive approach to studying the patterns of distribution of internal stresses along the height of the profile during its stretching in a bending-tensile device and after alternating deformation;mathematical models have been developed and tested for calculating the energy-force parameters of the process and the stress-strain state of a strip-type profile during its alternating deformation in a bending-tensile device;the mechanism of residual stress occurrence has been established, which is determined by the magnitude of plastic deformation and the inhomogeneity of the distribution of residual stresses along the profile height;the main approaches to designing technological parameters of the process of alternating deformation of strip-type profiles in a bending-tensile device have been developed. Product Description popup.authors Yevhen S. Klemeshov Ihor Y. Prykhodko Serhii O. Vorobei Leshenko Aleksandr Ivanovich Pavlo Tokmakov Valerii H. Razdobrieiev Oleksandr P. Ivanov Kyrylo Y. Kliuchnikov Dmytro H. Palamar Valerii A. Bolotov Viacheslav M. Kuzmychov Perkov Oleh M. Nadiia S. Riaskova Svitlana М. Markova Lidiia V. Shevchenko Raznosilin Valentyn V. popup.nrat_date 2026-01-26 Close