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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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2020-5-63-69</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1183</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>Обработка металлов давлением</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Pressure Treatment of Metals</subject></subj-group></article-categories><title-group><article-title>Влияние режимов прокатки и отжига на свойства листовых полуфабрикатов из алюминиевого деформируемого сплава 1580</article-title><trans-title-group xml:lang="en"><trans-title>Influence of rolling and annealing modes on properties of semi-finished sheet products made of aluminum deformable alloy 1580</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>Константинов</surname><given-names>И. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Konstantinov</surname><given-names>I. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры обработки металлов</p><p>660025, г. Красноярск, пр-т им. газеты Красноярский рабочий, 95</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), associate prof., Department of metal forming</p><p>660025, Krasnoyarsk, Gazety Krasnoyarskii Rabochii pr., 95</p></bio><email xlink:type="simple">ilcon@mail.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>Баранов</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, директор Института цветных металлов и материаловедения</p><p>660025, г. Красноярск, пр-т им. газеты Красноярский рабочий, 95</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), director of the School of Non-Ferrous Metals &amp; Materials Science</p><p>660025, Krasnoyarsk, Gazety Krasnoyarskii Rabochii pr., 95</p></bio><email xlink:type="simple">vnbar79@mail.ru</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>Сидельников</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Sidelnikov</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. техн. наук, проф., зав. кафедрой обработки металлов давлением</p><p>660025, г. Красноярск, пр-т им. газеты Красноярский рабочий, 95</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), prof., head of the Department of metal forming</p><p>660025, Krasnoyarsk, Gazety Krasnoyarskii Rabochii pr., 95</p></bio><email xlink:type="simple">sbs270359@yandex.ru</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>Зенкин</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zenkin</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>упр. директор</p><p>665716, Иркутская обл., г. Братск</p></bio><bio xml:lang="en"><p>managing director</p><p>665716, Irkutsk region, Bratsk</p></bio><email xlink:type="simple">EvgeniyZenkin@rusal.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юрьев</surname><given-names>П. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Yuryev</surname><given-names>P. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>инженер-исследователь научно-исследовательской части</p><p>660025, г. Красноярск, пр-т им. газеты Красноярский рабочий, 95</p></bio><bio xml:lang="en"><p>research engineer of the Research Department</p><p>660025, Krasnoyarsk, Gazety Krasnoyarskii Rabochii pr., 95</p></bio><email xlink:type="simple">pashka_urew@mail.ru</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>Белоконова</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Belokonova</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры обработки металлов давлением</p><p>660025, г. Красноярск, пр-т им. газеты Красноярский рабочий, 95</p></bio><bio xml:lang="en"><p>postgraduate student, Department of metal forming</p><p>660025, Krasnoyarsk, Gazety Krasnoyarskii Rabochii pr., 95</p></bio><email xlink:type="simple">iribelokonova@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Siberian Federal University (SFU)</institution><country>Russian Federation</country></aff><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сибирский федеральный университет (СФУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Federal University (SFU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ОАО «РУСАЛ Братский алюминиевый завод»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>RUSAL Bratsk Aluminum 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>20</day><month>10</month><year>2020</year></pub-date><volume>0</volume><issue>5</issue><fpage>63</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Константинов И.Л., Баранов В.Н., Сидельников С.Б., Зенкин Е.Ю., Юрьев П.О., Белоконова И.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Константинов И.Л., Баранов В.Н., Сидельников С.Б., Зенкин Е.Ю., Юрьев П.О., Белоконова И.Н.</copyright-holder><copyright-holder xml:lang="en">Konstantinov I.L., Baranov V.N., Sidelnikov S.B., Zenkin E.Y., Yuryev P.O., Belokonova I.N.</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://cvmet.misis.ru/jour/article/view/1183">https://cvmet.misis.ru/jour/article/view/1183</self-uri><abstract><p>Проведено исследование технологичности и свойств листового проката, полученного из крупногабаритного слитка сплава 1580 с пониженным содержанием скандия в пределах его марки. Выполнена оценка технологичности обработки слитка при горячей и холодной прокатках, изучено влияние степени деформации и режимов отжига на свойства холоднокатаных полуфабрикатов из указанного сплава. В качестве объекта исследований выбран крупногабаритный слиток сечением 500×2100 мм из сплава 1580 с содержанием скандия 0,067 мас.%, полученный в промышленных условиях. Методика проведения работы включала несколько этапов прокатки и термообработки листовых полуфабрикатов на различных стадиях разработанного режима деформации металла и испытания механических свойств образцов из них на универсальной машине LFM 400 kN. Для выполнения исследований из слитка вырезали темплет размером 60×500×900 мм, а из него получали заготовки под прокатку размерами 50×180×300 мм, которые подвергали гомогенизационному отжигу по двухступенчатому режиму, разработанному ранее для данного сплава. В результате горячей прокатки отожженных заготовок при температуре их нагрева 450 °С и суммарном относительном обжатии εΣ = 84÷90 % получали листовые полуфабрикаты толщиной 5–8 мм. Далее, после их отжига при t = = 320 °С в течение 6 ч, с помощью холодной прокатки изготавливали тонколистовые полуфабрикаты толщиной от 2 до 6 мм. Выполнен анализ их механических свойств в деформированном и отожженном состояниях, который показал, что накопление суммарной степени деформации при холодной прокатке до εΣ = 38 % обеспечивает у сплава 1580 рост прочностных свойств до σ0,2 = 380 МПа, а после этого интенсивность роста замедляется и при εΣ = 60 % наблюдали σ0,2 = 400 МПа. Проведено также исследование влияния отжига при t = 250÷350 °С на механические свойства листового проката. Установлено, что он приводит к снижению прочностных показателей и повышению пластичности, а максимальные значения условного предела текучести соответствуют температурам отжига 250–275 °С при достаточно высокой пластичности. В результате исследований установлено, что по прочностным свойствам листовой прокат из сплава 1580 с пониженным содержанием скандия превосходит полуфабрикаты из аналогичного по химическому составу, но без добавки скандия, сплава AW-5083 (США) на 10–15 %, а превышение по пластическим свойствам составляет 40–60 %.</p></abstract><trans-abstract xml:lang="en"><p>The study covers the manufacturability and properties of sheet metal obtained from a large-sized ingot of Alloy 1580 with the low scandium content within its grade range. The ingot processability in hot and cold rolling was evaluated, and the influence of the degree of deformation and annealing conditions on the properties of cold-rolled semi-finished products made of the alloy under study was investigated. A large-sized commercially produced ingot with a cross section of 500×2100 mm of Alloy 1580 with a scandium content of 0.067 wt.% was selected as an object of research. The research methodology included several stages of rolling and heat treatment of semi-finished sheet products at various stages of the developed mode for metal deformation and mechanical testing of samples from them on the LFM 400 kN universal machine. For research, a 60×500×900 mm template was cut from the ingot to make 50×180×300 mm billets for rolling. Billets were subjected to homogenization annealing by the two-stage mode developed previously for this alloy. As a result of hot rolling of annealed billets at 450 °C and a total relative compression εΣ = 84÷90 %, 5–8 mm thick semi-finished sheet products were obtained. Further, after their annealing at t = 320 °C for 6 hours, light-gauge semi-finished sheet products with a thickness of 2 to 6 mm were manufactured by cold rolling. They were subjected to mechanical analysis in the deformed and annealed states. The analysis of their mechanical properties in the deformed and annealed states was performed, which showed that the accumulation of the total degree of deformation during cold rolling up to 38 % provides the 1580 alloy with an increase in strength properties to Rp = 380 MPa, and after that the growth rate slows down and at εΣ = 60 % Rp = = 400 MPa. The effect of annealing at temperatures between 250 °C and 350 °C on the mechanical properties of sheet metal. It was found that it leads to a decrease in strength properties and an increase in ductility, and the maximum yield strengths correspond to annealing temperatures of 250–275 °C at a sufficiently high plasticity. As a result of studies, it was found that the strength properties of sheet metal from Alloy 1580 with a low scandium content exceed the strength properties of semi-finished products of Alloy AW-5083 (USA) having a similar chemical composition, but without the addition of scandium, by 10–15 %, and the excess in plastic properties is 40–60 %.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>алюминиевые сплавы</kwd><kwd>скандий</kwd><kwd>крупногабаритные слитки</kwd><kwd>горячая прокатка</kwd><kwd>холодная прокатка</kwd><kwd>листовой прокат</kwd><kwd>суммарное относительное обжатие</kwd><kwd>отжиг</kwd><kwd>механические свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aluminum alloys</kwd><kwd>scandium</kwd><kwd>large-sized ingots</kwd><kwd>hot rolling</kwd><kwd>cold rolling</kwd><kwd>sheet rolling</kwd><kwd>total relative compression</kwd><kwd>annealing</kwd><kwd>mechanical properties</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена по проекту 03.G25.31.0265 «Разработка экономнолегированных высокопрочных Al—Sc-сплавов для применения в автомобильном транспорте и судоходстве» в рамках Программы реализации комплексных проектов по созданию высокотехнологичного производства, утвержденных постановлением Правительства РФ № 218 от 9 апреля 2010 г., а также в рамках государственного задания на науку ФГАОУ ВО «Сибирский федеральный университет» (номер проекта FSRZ-2020-0013).</funding-statement><funding-statement xml:lang="en">The research was conducted under Project 03.G25.31.0265 «Development of Sparingly-Doped High-Strength Al–Sc Alloys for Road and Marine Transport Applications» as part of the Program for Implementing Integrated Projects on Establishing High-Technology Production approved by Regulation of the Government of the Russian Federation № 218 dated April 9, 2010, and as part of the government science task for Federal State Autonomous Educational Institution of Higher Education «Siberian Federal University» (Project № FSRZ-2020-0013).</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">Филатов Ю.А. 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