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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">donstu</journal-id><journal-title-group><journal-title xml:lang="en">Advanced Engineering Research (Rostov-on-Don)</journal-title><trans-title-group xml:lang="ru"><trans-title>Advanced Engineering Research (Rostov-on-Don)</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2687-1653</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/1992-5980-2018-18-3-289-299</article-id><article-id custom-type="elpub" pub-id-type="custom">donstu-1345</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MACHINE BUILDING AND MACHINE SCIENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАШИНОСТРОЕНИЕ И МАШИНОВЕДЕНИЕ</subject></subj-group></article-categories><title-group><article-title>EXPERIMENTAL STUDY ON POWER PARAMETERS OF “ROLLING - ECA-PRESSING” COMBINED PROCESS</article-title><trans-title-group xml:lang="ru"><trans-title>ЭКСПЕРИМЕНТАЛЬНОЕ ИССЛЕДОВАНИЕ ЭНЕРГОСИЛОВЫХ ПАРАМЕТРОВ СОВМЕЩЕННОГО ПРОЦЕССА «ПРОКАТКА — РАВНОКАНАЛЬНОЕ УГЛОВОЕ ПРЕССОВАНИЕ»</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8517-3482</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Найзабеков</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Naizabekov</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Найзабеков Абдрахман Батырбекович - ректор, доктор технических наук, профессор.</p><p>111500, Костанайская обл., Рудный, ул. 50 лет Октября 38.</p></bio><bio xml:lang="en"><p>Naizabekov, Abdrakhman B. - rector, Dr.Sci., professor.</p></bio><email xlink:type="simple">naizabekov57@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1737-9825</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лежнев</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Lezhnev</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лежнев Сергей Николаевич - доцент кафедры металлургии и горного дела, кандидат технических наук.</p><p>111500, Костанайская обл., Рудный, ул. 50 лет Октября 38.</p></bio><bio xml:lang="en"><p>Lezhnev, Sergey N. - associate professor of the Metallurgical Engineering and Mining Department, Cand.Sci.</p></bio><email xlink:type="simple">sergey_legnev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9577-3732</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Койнов</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Koinov</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Койнов Тончо Атанасов - профессор кафедры физической металлургии и тепловых агрегатов, доктор технических наук, профессор.</p><p>София, 1756, Бульвар Климент Охридски, 8.</p></bio><bio xml:lang="en"><p>Koinov, Toncho A. - professor of the Physical Metallurgy and Thermal Generating Units Department, Dr.Sci., professor.</p></bio><email xlink:type="simple">toni309@koinov.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6830-0630</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Панин</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Panin</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Панин Евгений Александрович - старший преподаватель кафедры обработки металлов давлением.</p></bio><bio xml:lang="en"><p>Panin, Evgeny A. - senior lecturer of the Metal Forming Department.</p></bio><email xlink:type="simple">cooper802@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Рудненский индустриальный институт</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Rudny Industrial Institute</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет химической технологии и металлургии</institution><country>Болгария</country></aff><aff xml:lang="en"><institution>University of Chemical Technology and Metallurgy</institution><country>Bulgaria</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Карагандинский государственный индустриальный университет</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Karaganda State Industrial University</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2018</year></pub-date><volume>18</volume><issue>3</issue><fpage>289</fpage><lpage>299</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Naizabekov A.B., Lezhnev S.N., Koinov T.A., Panin E.A., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Найзабеков А.Б., Лежнев С.Н., Койнов Т.А., Панин Е.А.</copyright-holder><copyright-holder xml:lang="en">Naizabekov A.B., Lezhnev S.N., Koinov T.A., Panin E.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.vestnik-donstu.ru/jour/article/view/1345">https://www.vestnik-donstu.ru/jour/article/view/1345</self-uri><abstract><sec><title>Introduction</title><p>Introduction.  Power  parameters  of  the  “rolling  −  equalchannel angular pressing” (ECA) combined process are studied. The work objective is to determine forces of rolling and pressing in the deformation by the combined method.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. The die strength calculation and the experiment on deformation of AISI 6063 aluminum samples were carried out. During the experiment, the force values were recorded using a strain-gauge station.</p></sec><sec><title>Research Results</title><p>Research Results. The strength analysis results show that this die design is suitable for creating an experimental stand of the “rolling − ECA-pressing” combined process, since the calculated  safety  margin  is  sufficient  to  implement  the  pressing under extreme conditions. The rolling forces at all stages of the  deformation  exceed  the  corresponding  pressing  forces, which is a necessary condition for the combined process. Discussion and Conclusions. The obtained results can be used in the design of experimental stands that implement the investigated combined  process. Herewith, the given  strain-gauge method for studying strength characteristics is suitable for the case of calibrated rolls.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Введение</title><p>Введение. Статья посвящена исследованию энергосиловых параметров совмещенного процесса «прокатка — равноканальное угловое прессование (РКУ)». Цель работы — определение возникающих усилий прокатки и прессования при деформировании совмещенным способом.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Был проведен прочностной расчет матрицы и эксперимент по деформированию образцов из алюминия марки AISI 6063. В ходе опытов значения усилий фиксировались с помощью тензометрической станции.</p></sec><sec><title>Результаты исследования</title><p>Результаты исследования. Результаты прочностного анализа позволяют утверждать, что данная конструкция матрицы пригодна для создания экспериментальной установки совмещенного процесса «прокатка — РКУ-прессование», поскольку рассчитанного запаса прочности вполне достаточно для реализации прессования на предельных  условиях. Усилия прокатки на  всех этапах деформирования превышают соответствующие усилия прессования, что является необходимым условием совмещенного процесса.</p></sec><sec><title>Обсуждение и заключения</title><p>Обсуждение и заключения. Полученные результаты могут быть использованы при проектировании экспериментальных установок, реализующих исследуемый совмещенный процесс. При этом тензометрический метод исследования прочностных характеристик пригоден и при использовании калиброванных валков.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>совмещенный процесс</kwd><kwd>прокатка</kwd><kwd>равноканальное угловое прессование</kwd><kwd>усилие</kwd><kwd>прочностной анализ</kwd><kwd>тензометрия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>combined process</kwd><kwd>rolling</kwd><kwd>equal channel angular pressing</kwd><kwd>force</kwd><kwd>strength analysis</kwd><kwd>tensometry</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Jahedi, M. High-Pressure Double Torsion as a Severe Plastic Deformation Process: Experimental Procedure and Finite Element Modeling / M. Jahedi, M. Knezevic, M.-H. 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