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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Frontier Materials &amp; Technologies</journal-id><journal-title-group><journal-title xml:lang="en">Frontier Materials &amp; Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Frontier Materials &amp; Technologies</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-4039</issn><issn publication-format="electronic">2782-6074</issn><publisher><publisher-name xml:lang="en">Togliatti State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">213</article-id><article-id pub-id-type="doi">10.18323/2073-5073-2017-3-40-46</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Technical Sciences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Технические науки</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">THE INFLUENCE OF INTENSIVE PLASTIC DEFORMATION ON THE STRUCTURE AND PHYSICAL AND MECHANICAL PROPERTIES OF HIGH-CARBON STEEL</article-title><trans-title-group xml:lang="ru"><trans-title>ВЛИЯНИЕ ИНТЕНСИВНОГО ДЕФОРМАЦИОННОГО ВОЗДЕЙСТВИЯ НА СТРУКТУРУ И ФИЗИКО-МЕХАНИЧЕСКИЕ СВОЙСТВА ВЫСОКОУГЛЕРОДИСТОЙ СТАЛИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Goruleva</surname><given-names>Larisa Sergeevna</given-names></name><name xml:lang="ru"><surname>Горулева</surname><given-names>Лариса Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>junior researcher</p></bio><bio xml:lang="ru"><p>младший научный сотрудник</p></bio><email>sherlarisa@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gorkunov</surname><given-names>Eduard Stepanovich</given-names></name><name xml:lang="ru"><surname>Горкунов</surname><given-names>Эдуард Степанович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Sciences (Engineering), RAS academician, chief researcher</p></bio><bio xml:lang="ru"><p>доктор технических наук, академик РАН, главный научный сотрудник</p></bio><email>ges@imach.uran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zadvorkin</surname><given-names>Sergey Mikhailovich</given-names></name><name xml:lang="ru"><surname>Задворкин</surname><given-names>Сергей Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Physics and Mathematics), Head of laboratory of technical diagnostics</p></bio><bio xml:lang="ru"><p>кандидат физико-математических наук, заведующий лабораторией технической диагностики</p></bio><email>zadvorkin@imach.uran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Makarov</surname><given-names>Aleksey Viktorovich</given-names></name><name xml:lang="ru"><surname>Макаров</surname><given-names>Алексей Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Sciences (Engineering), chief researcher, Head of department of material science and mechanical properties laboratory</p></bio><bio xml:lang="ru"><p>доктор технических наук, старший научный сотрудник, заведующий отделом материаловедения и лабораторией механических свойств</p></bio><email>avm@imp.uran.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Engineering Science of Ural Branch of the Russian Academy of Sciences, Yekaterinburg</institution></aff><aff><institution xml:lang="ru">Институт машиноведения Уральского отделения Российской академии наук, Екатеринбург</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of Engineering Science of Ural Branch of the Russian Academy Sciences, Yekaterinburg&#13;
M.N. Mikheev Institute of Metal Physics of Ural Branch of the Russian Academy of Sciences, Yekaterinburg&#13;
Ural Federal University named after the first President of Russia B.N.Yeltsin, Yekaterinburg</institution></aff><aff><institution xml:lang="ru">Институт машиноведения Уральского отделения Российской академии наук, Екатеринбург&#13;
Институт физики металлов имени М.Н. Михеева Уральского отделения Российской академии наук, Екатеринбург&#13;
Уральский федеральный университет имени первого Президента России Б.Н. Ельцина, Екатеринбург</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-09-29" publication-format="electronic"><day>29</day><month>09</month><year>2017</year></pub-date><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>40</fpage><lpage>46</lpage><history><date date-type="received" iso-8601-date="2022-03-14"><day>14</day><month>03</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-03-14"><day>14</day><month>03</month><year>2022</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://vektornaukitech.ru/jour/article/view/213">https://vektornaukitech.ru/jour/article/view/213</self-uri><abstract xml:lang="en"><p>The hydrostatic extrusion method as a type of intensive plastic deformation is an effective way to improve the mechanical properties of metals and alloys. The improvement of mechanical properties is generally a result of the structure dispersing and the increase of dislocation density. A large number of works consider the influence of deformation on the structure and mechanical properties of metals and alloys. However, literature pays far less attention to the study of physical characteristics of a material strengthened by means of intensive plastic deformation. Such investigations are necessary to develop nondestructive physical methods of diagnostics of such materials state. The authors carried out the study of high-carbon steel structure using the methods of scanning and transmission electron microscopy and performed mechanical tensile tests and a number of magnetic measurements. It is shown that the extruding causes the dispersing of U8A high-carbon steel structure. When extruding, the cellular, fragmented and submicrocrystalline structures are formed in ferrite constituent of steel perlitic structure in the conditions of dynamic recovery, continuous dynamic and post-dynamic recrystallization, causing the dislocation density reduction in a grain body under the true strain more than 1.62. With the growth of true strain, strength characteristics of U8A steel change monotonically: ultimate resistance increases twice, and conventional yield strength – by 3.6 times. It is established that the structure dispersion exerts the prevalent influence on strength characteristics, and the dislocation density plays the minor role. Unlike the mechanical characteristics, the coercive force, the maximum magnetic permeability, the residual induction and the elastic waves propagation speed are more sensitive to the dislocation density changes.</p></abstract><trans-abstract xml:lang="ru"><p>Метод гидроэкструзии, как один из видов интенсивного деформационного воздействия, является эффективным средством улучшения механических свойств металлов и сплавов.<italic> </italic>Улучшение механических свойств происходит в основном за счет диспергирования структуры и увеличения плотности дислокаций. Большое количество работ посвящено влиянию деформирования на структуру и механические свойства металлов и сплавов. Однако в литературе гораздо меньше внимания уделено изучению физических характеристик материала, упрочненных с помощью интенсивного деформационного воздействия. Подобные исследования необходимы для разработки неразрушающих физических методов диагностики состояния таких материалов. Проведены исследования структуры высокоуглеродистой стали методами сканирующей и просвечивающей электронной микроскопии, механические испытания на растяжение и ряд магнитных измерений. Показано, что экструдирование приводит к диспергированию структуры высокоуглеродистой стали У8А. При экструдировании в ферритной составляющей перлитной структуры стали происходит формирование ячеистых, фрагментированных и субмикрокристаллических структур в условиях протекания динамического возврата, непрерывной динамической и постдинамической рекристаллизации, обусловливающих уменьшение плотности дислокаций в теле зерна при истинной деформации более 1,62. Прочностные характеристики стали У8А с ростом истинной деформации изменяются монотонно: временное сопротивление увеличивается в 2 раза, а условный предел текучести – в 3,6 раза. Установлено, что на прочностные характеристики превалирующее влияние оказывает дисперсность структуры, а плотность дислокаций играет второстепенную роль. В отличие от механических характеристик коэрцитивная сила, максимальная магнитная проницаемость, остаточная индукция и скорость распространения упругих волн более чувствительны к изменению плотности дислокаций.</p></trans-abstract><kwd-group xml:lang="en"><kwd>high-carbon steel</kwd><kwd>hydrostatic extrusion</kwd><kwd>microstructure</kwd><kwd>mechanical properties</kwd><kwd>magnetic properties</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>высокоуглеродистая сталь</kwd><kwd>гидроэкструзия</kwd><kwd>микроструктура</kwd><kwd>механические свойства</kwd><kwd>магнитные свойства</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена по материалам докладов участников VIII Международной школы «Физическое материаловедение» с элементами научной школы для молодежи, Тольятти, 3–12 сентября 2017 г. 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