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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">powder</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Порошковая металлургия и функциональные покрытия</journal-title><trans-title-group xml:lang="en"><trans-title>Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-308X</issn><issn pub-type="epub">2412-8767</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1997-308X-2013-2-19-25</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-22</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>Теория и процессы формования и спекания порошковых материалов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Theory and Processes of Formation and Sintering of Powder Materials</subject></subj-group></article-categories><title-group><article-title>ЛАЗЕРНАЯ ОБРАБОТКА СПЕЧЕННОЙ ПОРОШКОВОЙ СТАЛИ СПН14А7М5</article-title><trans-title-group xml:lang="en"><trans-title>Laser processing of sintered powdered SPN14A7M5 steel</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>Маранц</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Marants</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры порошковой металлургии и функциональных покрытий МИСиС </p></bio><email xlink:type="simple">marants.alexandr@gmail.com</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>Сентюрина</surname><given-names>Ж. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sentyurina</surname><given-names>Zh. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистрант кафедры порошковой металлургии и функциональных покрытий МИСиС </p></bio><email xlink:type="simple">sentyurina_misis@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>Нарва</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Yadroitseva</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, профессор кафедры порошковой металлургии и функциональных покрытий МИСиС </p></bio><email xlink:type="simple">zeinalova@rambler.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>Смуров</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Narva</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. физ.-мат. наук, директор лаборатории DIPI Национальной школы инженерии Сент-Этьенна (ENISE) </p></bio><email xlink:type="simple">smurov@enise.fr</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>Ядройцева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Smurov</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, науч. сотр. лаборатории DIPI Национальной школы инженерии Сент-Этьенна (ENISE) </p></bio><email xlink:type="simple">ina.yadroitsava@enise.fr</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Национальный исследовательский технологический университет «МИСиС», 119049, г. Москва, В-49, Ленинский пр-т, 4</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>University of Lyon, National Engineering School of Saint-Etienne, 74, rue des Acieries, 42000, Saint-Etienne, France</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>19</day><month>01</month><year>2015</year></pub-date><volume>0</volume><issue>2</issue><fpage>19</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Маранц А.В., Сентюрина Ж.А., Нарва В.К., Смуров И.Ю., Ядройцева И.А., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Маранц А.В., Сентюрина Ж.А., Нарва В.К., Смуров И.Ю., Ядройцева И.А.</copyright-holder><copyright-holder xml:lang="en">Marants A.V., Sentyurina Z.A., Yadroitseva I.A., Narva V.K., Smurov I.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://powder.misis.ru/jour/article/view/22">https://powder.misis.ru/jour/article/view/22</self-uri><abstract><p>Определено влияние пористости на распределение тепла в материале при лазерной обработке на примере спеченной стали СПН14А7М5 пу- тем математического моделирования и подтверждения расчетных результатов экспериментальными. Изучено воздействие лазерной обра- ботки на микроструктуру и свойства спеченной стали СПН14А7М5 и определены оптимальные режимы этого процесса. </p></abstract><trans-abstract xml:lang="en"><p>Taken sintered SPN14A7M5 steel as an example and using the mathematic simulation, the effect of porosity on the heat distribution in material during laser processing has been found. The calculated results have been verified by the experimental data. The effect of laser processing on the microstructure and properties of sintered SPN14A7M5 steel has been studied and the optimum conditions of the process have been found. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазер</kwd><kwd>порошковая металлургия</kwd><kwd>пористость</kwd><kwd>лазерная обработка</kwd><kwd>сталь</kwd><kwd>теплопроводность</kwd><kwd>микроструктура</kwd><kwd>зерна</kwd><kwd>мощ- ность</kwd><kwd>скорость сканирования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser</kwd><kwd>powder metallurgy</kwd><kwd>porosity</kwd><kwd>laser processing</kwd><kwd>steel</kwd><kwd>thermal conduction</kwd><kwd>microstructure</kwd><kwd>grains</kwd><kwd>power</kwd><kwd>scanning rate</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">Yadroitsev I., Bertrand Ph., Laget B., Smurov I. // J. Nucl. Mater. 2007. Vol. 362. 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