Search academic texts

Information × Registration Number 0226U001349, (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 Проведення теоретичних досліджень зміни напружено-деформованого стану металу в залежності від впливу технологічних параметрів процесу знакозмінної деформації штаби. Визначення основних підходів щодо проектування параметрів процесу знакозмінної деформації штаби у роликовому згино-розтягувальному пристрої при виробництві профілів стрічкового типу широкого розмірного сортаменту. Звіт. Head Razdobrieiev Valerii H., Кандидат технічних наук Registration Date 24-01-2026 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 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 Valentyn V. Raznosilin Yevhen S. Klemeshov Ihor Y. Prykhodko Vorobei Serhii O. Pavlo Tokmakov Valerii H. Razdobrieiev Oleksandr P. Ivanov Kyrylo Y. Kliuchnikov Dmytro H. Palamar Valerii A. Bolotov Viacheslav M. Kuzmychov Nadiia S. Riaskova Перков Олег Миколайович Oleksandr І. Leshchenko Svitlana М. Markova Lidiia V. Shevchenko popup.nrat_date 2026-01-24 Close