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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">10.17073/0368-0797-2015-2-106-111</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-143</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 И НАНОТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE AND NANOTECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>ФОРМИРОВАНИЕ И ДЕФОРМАЦИОННОЕ ПОВЕДЕНИЕ УЛЬТРАМЕЛКОЗЕРНИСТОГО СПЛАВА Zr – 1Nb*</article-title><trans-title-group xml:lang="en"><trans-title>FORMING AND DEFORMATION BEHAVIOR OF THE ULTRAFINE-GRAINED Zr – 1Nb ALLOY</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>Грабовецкая</surname><given-names>Г. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Grabovetskaya</surname><given-names>G. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.ф.-м.н., ведущий научный сотрудник</p></bio><bio xml:lang="en"><p>Dr. Sci. (Phys.-math.), Leading Researcher</p></bio><email xlink:type="simple">grabg@ispms.tsc.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>Мишин</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Mishin</surname><given-names>I. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.ф.-м.н., научный сотрудник</p></bio><bio xml:lang="en"><p>Cand. Sci. (Phys.-math.), Researcher</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры общей физики</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor of the Chair of General Physics</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернов</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernov</surname><given-names>I. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.ф.-м.н.,профессор кафедры общей физики</p></bio><bio xml:lang="en"><p>Dr. Sci. (Phys.-math.), Professor of the Chair of General Physics</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Булынко</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulynko</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент</p></bio><bio xml:lang="en"><p>Student</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Strength Physics and Material Science, Siberian Brunch of Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><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><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>23</day><month>03</month><year>2015</year></pub-date><volume>58</volume><issue>2</issue><fpage>106</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Грабовецкая Г.П., Мишин И.П., Степанова Е.Н., Чернов И.П., Булынко Д.Ю., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Грабовецкая Г.П., Мишин И.П., Степанова Е.Н., Чернов И.П., Булынко Д.Ю.</copyright-holder><copyright-holder xml:lang="en">Grabovetskaya G.P., Mishin I.P., Stepanova E.N., Chernov I.P., Bulynko D.Y.</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/143">https://fermet.misis.ru/jour/article/view/143</self-uri><abstract><p>Изучено влияние режимов интенсивной пластической деформации на формирование ультрамелкозернистого состояния сплава Zr – 1Nb, содержащего выделения вторичных фаз в виде частиц в объеме и на границах зерен. Установлено, что прессование с постепенным понижением температуры в интервале 973 – 573 К приводит к растворению выделений вторичных фаз и формированию в сплаве ультрамелкозернистой зеренно-субзеренной структуры со средним размером элементов 0,25 ± 0,10 мкм. В процессе прессования при комнатной температуре с промежуточными отжигами в течение 1 ч в интервале температур 873 – 803 К формируется ультрамелкозернистая зеренносубзеренная структура со средним размером элементов 0,45 ± 0,18 мкм, при этом в структуре сохраняются частицы вторичных фаз. Формирование ультрамелкозернистой структуры приводит к увеличению пределов прочности и текучести сплава Zr – 1Nb в 1,5 – 2,0 раза при одновременном повышении склонности к локализации пластической деформации и уменьшении однородной деформации и деформации до разрушения. Присутствие частиц вторичных фаз в ультрамелкозернистой структуре, как и увеличение размеров ее элементов, препятствует развитию локализации пластической деформации и повышает эффект деформационного упрочнения.</p></abstract><trans-abstract xml:lang="en"><p>The effect of the severe plastic deformation modes on the ultraﬁ ne-grained state forming in zirconium Zr – 1Nb alloy comprising precipitations of secondary phases in the form of particles in the volume and at the grain boundaries was studied. Pressing with a gradual temperature decrease in the range of (973 – 573) K was established to dissolution of the secondary phase precipitates and forming the ultraﬁ ne-grained grain-subgrain structure in the alloy with an average elements size (0.25 ± 0.10) mm. In the pressing process at room temperature with an intermediate hour annealing in the temperature range of (873 – 803) K forming of ultraﬁ ne-grained structure with an average size of elements (0.45 ± 0.18) mm was observed. At the same time the secondary phase particles were retained in structure. The ultra ﬁ negrained structure forming leads to the increase in the values of tensile and yield strengths of Zr – 1Nb alloy in 1.5 – 2.0 times and the simultaneous increase in the propensity to the localization of plastic deformation and decrease of the values of uniform strain and deformation to failure. Presence of secondary phase’s particles in ultraﬁ ne-grained structure as an increase in the size of its elements prevents the development of the plastic deformation localization and increases the effect of strain hardening.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сплав циркония</kwd><kwd>интенсивная пластическая деформация</kwd><kwd>ультрамелкозернистая структура</kwd><kwd>деформационное упрочнение</kwd><kwd>локализация пластической деформации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>zirconium alloy</kwd><kwd>severe plastic deformation</kwd><kwd>ultraﬁ ne-grained structure</kwd><kwd>strain hardening</kwd><kwd>localization of plastic deformation</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">Шаркеев Ю.П., Ярошенко А.Ю., Кукареко В.А. и др. // Изв. вуз. Черная металлургия. 2012. № 8. 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