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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">10.17073/0368-0797-2020-5-318-326</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-1893</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>МЕТАЛЛУРГИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Разработка теоретических основ энергоэффективного производства железнодорожных рельсов с повышенными эксплуатационными свойствами</article-title><trans-title-group xml:lang="en"><trans-title>Theoretical foundations for energy-efficient production of railway rails with improved performance properties</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уманский</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Umanskii</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры металлургии черных металлов</p><p>654007, Кемеровская обл., Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor of the Chair of Ferrous Metallurgy</p><p>Novokuznetsk, Kemerovo Region</p></bio><email xlink:type="simple">umanskii@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дорофеев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dorofeev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., главный калибровщик рельсобалочного цеха</p><p>654043, Кемеровская обл., Новокузнецк, ш. Космическое, 16</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Chief Calibrator of Rail and Beam Shop</p><p>Novokuznetsk, Kemerovo Region</p></bio><email xlink:type="simple">vladimir.dorofeev@evraz.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Думова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dumova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший преподаватель кафедры «Менеджмент и отраслевая экономика»</p><p>654007, Кемеровская обл., Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Senior Lecturer of the Chair “Management and Branch Economy”</p><p>Novokuznetsk, Kemerovo Region</p></bio><email xlink:type="simple">doumova@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Industrial University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО «ЕВРАЗ Объединенный Западно-Сибирский металлургический комбинат»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “EVRAZ – Joint West Siberian Metallurgical Plant”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>01</day><month>07</month><year>2020</year></pub-date><volume>63</volume><issue>5</issue><fpage>318</fpage><lpage>326</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Уманский А.А., Дорофеев В.В., Думова Л.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Уманский А.А., Дорофеев В.В., Думова Л.В.</copyright-holder><copyright-holder xml:lang="en">Umanskii A.A., Dorofeev V.V., Dumova L.V.</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/1893">https://fermet.misis.ru/jour/article/view/1893</self-uri><abstract><p>Проведены экспериментальные исследования методами горячих механических испытаний образцов на кручение и сжатие. Получены зависимости сопротивления пластической деформации рельсовых сталей, легированных хромом, от термомеханических параметров деформации (степень, скорость и температура деформации) и химического состава рассматриваемых сталей. По полученным данным повышение скорости и снижение температуры деформации обуславливает увеличение сопротивления пластическому деформированию, а влияние относительной деформации на сопротивление пластической деформации имеет нелинейный характер с выраженным максимумом при степени деформации порядка 0,25. С использованием методики множественного регрессионного анализа изучено влияние химического состава рельсовых сталей марок 76ХФ, 76ХСФ и 90ХАФ на их сопротивление пластической деформации. Повышение содержания углерода, марганца, ванадия, азота, серы и фосфора в фактическом интервале изменения их концентраций приводит к увеличению сопротивления рассматриваемых рельсовых сталей пластическому деформированию. Раскрыт механизм влияния перечисленных химических элементов на сопротивление рельсовых сталей пластической деформации. Аппроксимация полученных данных позволила определить интервал изменения сопротивления деформации при варьировании химического состава в рамках фактического интервала изменения содержания элементов. Величина указанного интервала составила до 19 % от абсолютного значения сопротивления деформации. При варьировании содержания химических элементов в интервале, оговоренном в ГОСТ на производство железнодорожных рельсов, величина интервала сопротивления деформации составила до 30%. Проверка адекватности полученных зависимостей, проведенная путем осциллографирования работы двигателей приводов обжимных клетей рельсобалочного стана АО «ЕВРАЗ ЗСМК» при прокатке непрерывно литых заготовок различного химического состава, позволила подтвердить выявленные закономерности.</p></abstract><trans-abstract xml:lang="en"><p>Dependence of plastic deformation resistance of chromiumalloyed rail steels on the thermomechanical parameters of deformation (degree, speed, and temperature of deformation) and chemical composition of the steels under consideration was obtained by hot mechanical tests for torsion and compression. According to the obtained data, an increase in rate and a decrease in deformation temperature cause an increase in resistance to plastic deformation. Effect of relative deformation on resistance to plastic deformation is nonlinear with an expressed maximum at deformation degree of the order of 0.25. Analysis of influence of chemical composition of 76KhF, 76KhSF and 90KhAF rail steels and their resistance to plastic deformation was carried out using methods of multiple regression analysis. It has shown that increasing of content of carbon, manganese, vanadium, nitrogen, sulfur and phosphorus in the actual range of changes in their concentration leads to an increase in their plastic deformation resistance. Mechanism of this effect was revealed. Approximation of the obtained data allowed us to determine interval of changes in deformation resistance when chemical composition varies within the actual range of changes in elements content. Value of specified interval was up to 19 % of the absolute value of deformation resistance. When varying content of chemical elements in the interval specified in state standard for production of railway rails, value of deformation resistance interval was up to 30 %. Checking adequacy of the obtained dependences was performed by oscillographing the stands drives engines of rail mill of JSC “EVRAZ ZSMK” when rolling billets of different chemical composition. This checking made it possible to confirm the revealed patterns.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>железнодорожные рельсы</kwd><kwd>рельсовые стали</kwd><kwd>энергосиловые параметры прокатки</kwd><kwd>химический состав</kwd><kwd>термомеханические параметры деформации</kwd><kwd>сопротивление пластической деформации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>railway rails</kwd><kwd>rail steels</kwd><kwd>energy-power parameters of rolling</kwd><kwd>chemical composition</kwd><kwd>thermomechanical parameters of deformation</kwd><kwd>resistance to plastic deformation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке РФФИ и Кемеровской области в рамках научного проекта № 20-48-420011 с использованием оборудования Центра коллективного пользования «Материаловедение».</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">Polevoi E.V., Yunin G.N., Golovatenko A.V., Temlyantsev M.V. 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