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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">10.17073/0368-0797-2013-6-40-43</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-548</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>ВЛИЯНИЕ ЭЛЕКТРОИМПУЛЬСНОЙ ОБРАБОТКИ НА МЕХАНИЧЕСКИЕ СВОЙСТВА ПОЛОСОВОЙ СТАЛИ Q235</article-title><trans-title-group xml:lang="en"><trans-title>EFFECT OF ELECTROPULSING TREATMENT ON THE MECHANICAL PROPERTIES OF Q235 STEEL STRIP</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>Сувень</surname><given-names>Чен</given-names></name><name name-style="western" xml:lang="en"><surname>Suwen</surname><given-names>Chen</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гуои</surname><given-names>Танг</given-names></name><name name-style="western" xml:lang="en"><surname>Guoyi</surname><given-names>Tang</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шеньхуа</surname><given-names>Сонг</given-names></name><name name-style="western" xml:lang="en"><surname>Shenhua</surname><given-names>Song</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гуолин</surname><given-names>Сонг</given-names></name><name name-style="western" xml:lang="en"><surname>Guolin</surname><given-names>Song</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Громов</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Gromov</surname><given-names>V. E.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт перспективных материалов, Высшая школа постдипломного образования в г. Шеньжень, Университет Циньхуа (Китай)&#13;
Факультет материаловедения и инженерии, Высшая школа постдипломного образования в г. Шеньжень, Харбинский технологический институт (Китай)</institution><country>China</country></aff><aff xml:lang="ru" id="aff-2"><institution>Институт перспективных материалов, Высшая школа постдипломного образования в г. Шеньжень, Университет Циньхуа (Китай)</institution><country>China</country></aff><aff xml:lang="ru" id="aff-3"><institution>Факультет материаловедения и инженерии, Высшая школа постдипломного образования в г. Шеньжень, Харбинский технологический институт (Китай)</institution><country>China</country></aff><aff xml:lang="ru" id="aff-4"><institution>Сибирский государственный индустриальный университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2015</year></pub-date><volume>56</volume><issue>6</issue><fpage>40</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сувень Ч., Гуои Т., Шеньхуа С., Гуолин С., Громов В.Е., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Сувень Ч., Гуои Т., Шеньхуа С., Гуолин С., Громов В.Е.</copyright-holder><copyright-holder xml:lang="en">Suwen C., Guoyi T., Shenhua S., Guolin S., Gromov V.E.</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/548">https://fermet.misis.ru/jour/article/view/548</self-uri><abstract><p>Успешно проведена электроимпульсная обработка низкоуглеродистой полосовой стали Q235. По сравнению с обычной термической электроимпульсная обработка позволяет получить полосовую сталь с такими же или даже лучшими механическими свойствами. Выявлено, что напряжение 180 В и частота 500 Гц являются оптимальными, обуславливают предел прочности на растяжение и удлинение при растяжении 371 МПа и 47,5 % соответственно. Исследования с помощью оптической микроскопии показали, что электроимпульсная обработка полосовой стали Q235 с напряжением 180 В и частотой 500 Гц может ускорить образование полностью рекристаллизованной микроструктуры, размер зерен в которой становится меньше и однороднее по сравнению с удлиненным зерном холоднокатаного образца. Электроимпульсная обработка с меньшей частотой обеспечивает лишь частичную рекристаллизацию зерен, а с большей частотой – рост зерен в образце. И в том и в другом случае не представляется возможным получить удовлетворительное сочетание прочности и деформируемости стали.</p></abstract><trans-abstract xml:lang="en"><p>The elctropulsing treatment (EPT) has been successfully applied to the processing of a low carbon Q235 steel strip. Comparing with the conventional heat treatment (CHT), a proper EPT is capable of achieving the similar or even better effect on the mechanical properties of the steel strip. It was found that the optimum combination of the EPT parameters are 180 V in voltage and 500 Hz in frequency (180 V – 500 Hz) leading to a combination of tensile strength-elongation of 371 MPa – 47,5 %. Optical microscopy analyses indicates that the EPT/180 V – 500 Hz for Q235 steel strip can accelerate the formation of the completely recrystallized microstructure in which the grain size become relatively finer and more uniform compared to the elongated one formed in the cold-rolled sample. Such phenomenon is consistent with the improvement of the mechanical performance of the Q235 steel sample under the EPT. However, the EPT with inadequate frequency can only result in partial recrystallization of the grains, while the one with an exceed frequency may lead to the apparent grain growth within the sample. Both cases can not produce satisfactory combination of strength and ductility for the steel samples.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электроимпульсная обработка</kwd><kwd>обычная термическая обработка</kwd><kwd>механические свойства</kwd><kwd>микроструктура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electropulsing treatment</kwd><kwd>the conventional heat treatment</kwd><kwd>mechanical properties</kwd><kwd>microstructure</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">Троицкий О.А. // Письма в ЖЭТФ. T. 2. № 10. 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