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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2023-1-62-69</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2480</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="ru"><subject>МАТЕРИАЛОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>Параметры субструктуры в деформированных сплавах Cu – Mn с ГЦК решеткой</article-title><trans-title-group xml:lang="en"><trans-title>Parameters of substructure in wrought Cu – Mn alloys with FCC lattice</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2724-0691</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тришкина</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Trishkina</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Ильинична Тришкина, д.ф.-м.н., профессор кафедры физики, химии и теоретической механики</p><p>Россия, 634003, Томск, пл. Соляная, 2</p></bio><bio xml:lang="en"><p>Lyudmila I. Trishkina, Dr. Sci. (Phys.-Math.), Prof. of the Chair of Phy­sics, Chemistry, and Theoretical Mechanics</p><p>2 Solyanaya Sqr., Tomsk 634003, Russian Federation</p></bio><email xlink:type="simple">trishkina.53@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/0000-0002-3690-0436</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клопотов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Klopotov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анатолий Анатольевич Клопотов, д.ф.-м.н., профессор кафед­ры прикладной механики и материаловедения</p><p>Россия, 634003, Томск, пл. Соляная, 2</p></bio><bio xml:lang="en"><p>Anatolii A. Klopotov, Dr. Sci. (Phys.-Math.), Prof. of the Chair of Applied Mechanics and Materials Science</p><p>2 Solyanaya Sqr., Tomsk 634003, Russian Federation</p></bio><email xlink:type="simple">klopotovaa@tsuab.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/0000-0001-5330-9093</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Потекаев</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Potekaev</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Иванович Потекаев, д.ф.-м.н., профессор кафедры общей и экспериментальной физики</p><p>Россия, Томск, 634050, Томск, пр. Ленина, 36</p></bio><bio xml:lang="en"><p>Aleksandr I. Potekaev, Dr. Sci. (Phys.-Math.), Prof. of the Chair of Gene­ral and Experimental Physics</p><p>36 Lenina Ave., Тomsk 634050, Russian Federation</p></bio><email xlink:type="simple">potekaev@spti.tsu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5330-9093</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черкасова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherkasova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Викторовна Черкасова, к.ф.-м.н., доцент кафедры физики, химии и теоретической механики</p><p>Россия, 634003, Томск, пл. Соляная, 2</p></bio><bio xml:lang="en"><p>Tat’yana V. Cherkasova, Cand. Sci. (Phys.-Math.), Assist. Prof. of the Chair of Physics, Chemistry, and Theoretical Mechanics</p><p>2 Solyanaya Sqr., Tomsk 634003, Russian Federation</p></bio><email xlink:type="simple">cherkasova_tv@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/0000-0002-4111-4712</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бородин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Borodin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владислав Иванович Бородин, генеральный директор</p><p>Россия, 634029, Томск, пр. Фрунзе, 9</p></bio><bio xml:lang="en"><p>Vladislav I. Borodin, General Director</p><p>9 Frunze Ave., Tomsk 634029, Russian Federation</p></bio><email xlink:type="simple">v.borodin@gtt.gazprom.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Томский государственный архитектурно-строительный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tomsk State University of Architecture and Building</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский Томский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Газпром Трансгаз Томск»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC Gazprom Transgaz</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2023</year></pub-date><volume>66</volume><issue>1</issue><fpage>62</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тришкина Л.И., Клопотов А.А., Потекаев А.И., Черкасова Т.В., Бородин В.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Тришкина Л.И., Клопотов А.А., Потекаев А.И., Черкасова Т.В., Бородин В.И.</copyright-holder><copyright-holder xml:lang="en">Trishkina L.I., Klopotov A.A., Potekaev A.I., Cherkasova T.V., Borodin V.I.</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://fermet.misis.ru/jour/article/view/2480">https://fermet.misis.ru/jour/article/view/2480</self-uri><abstract><p>Развитие и успехи физической науки о прочности и пластичности позволяют сформулировать основные аспекты дислокационной физики. В настоящей работе рассмотрено современное состояние этого вопроса в рамках многоуровневого подхода: закономерности накопления дислокаций в материале после деформации с различными степенями. Основным механизмом упрочнения металлического поликристалла является накопление в его зернах дислокаций, а основным параметром упрочнения – средняя скалярная плотность дислокаций. Скалярная плотность дислокаций разделяется на компоненты: плотность статистически запасенных (ρS ) и плотность геометрически необходимых (ρG ) дислокаций. Методом просвечивающей дифракционной электронной микроскопии (ПЭМ) исследуются этапы развития типов дислокационной субструктуры (ДСС) в сплавах Cu – Mn в зависимости от концентрации легирующего элемента при активной пластической деформации. Исследуются поликристаллические сплавы в широком концентрационном интервале: от 0,4 до 25 % Mn (ат.). По полученным на электронном микроскопе снимкам измерен ряд параметров дислокационной субструктуры: средняя скалярная плотность дислокаций &lt;ρ&gt;, плотность статистически запасенных (ρS ) и геометрически необходимых (ρG ) дислокаций, кривизна-кручение кристаллической решетки (χ), плотность микрополос (Рполос. ), плотность оборванных субграниц (Моб.гр ). Установлена последовательность превращений типов ДСС при увеличении степени деформации и количества второго элемента на формирование типа субструктуры и ее параметров. Экспериментально определено влияние концентрации второго элемента и размера зерна на среднюю скалярную плотность дислокаций и ее составляющих. Наличие разориентировок в субструктуре в процессе деформации базируется на основе измерения этих параметром методом ПЭМ.</p></abstract><trans-abstract xml:lang="en"><p>The development and success of the physical science of strength and plasticity allow the main aspects of dislocation physics to be proposed. This work considers the current state of this issue as part of a multilevel approach: patterns of dislocation accumulation in a material after deformation with various degrees. The main mechanism of hardening of a metal polycrystal is the accumulation of dislocations in its grains, while the main hardening parameter is the mean scalar density of dislocations. The scalar density of dislocations is divided into the following components: the density of statistically stored (ρS ); and the density of geometrically necessary (ρG ) dislocations. The transmission diffraction electron microscopy (TEM) is used to study the stages of dislocation substructure (DSS) types development in Cu – Mn alloys depending on the concentration of an alloying element during active plastic deformation. Polycrystal alloys are studied in a wide concentration range: from 0.4 to 25 % Mn (at.). A number of dislocation substructure parameters are measured using electron microscope images: mean scalar density of dislocations &lt;ρ&gt;; density of statistically stored (ρS ) and geometrically necessary (ρG ) dislocations; curvature-torsion of the crystal lattice (χ); density of microstrips (Pstrip ); and density of broken sub-boundaries (Mbr.  bnd. ). A sequence of transformations of the DSS types with an increase in the deformation degree and amount of the second element to form the substructure type and parameters was established. The influence of the second element and grain size on the mean scalar density of dislocations and its components was experimentally determined. The presence of disorientations in the substructure during deformation is based on the measurement of these parameters using the TEM.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сплавы</kwd><kwd>деформация</kwd><kwd>дислокационные субструктуры</kwd><kwd>геометрические необходимые дислокации</kwd><kwd>атомный объем</kwd><kwd>закон Зена</kwd></kwd-group><kwd-group xml:lang="en"><kwd>alloys</kwd><kwd>deformation</kwd><kwd>dislocation substructures</kwd><kwd>geometric necessary dislocations</kwd><kwd>atomic volume</kwd><kwd>Zen’s law</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках Государственного задания Министерства науки и высшего образования Российской Федерации (проект РФ FEMN-2023-0003).</funding-statement><funding-statement xml:lang="en">The work was performed in the framework of the state assignment of the Ministry of Education and Science of the Russian Federation (project RF RFMN-2023-0003).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Дударев Е.Ф., Корниенко А.Л., Бакач Г.П. 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