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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">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2017-18-3-290-303</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-360</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Article</subject></subj-group></article-categories><title-group><article-title>ДИФФУЗИЯ ПРИМЕСИ В МАТЕРИАЛЕ ПОД ДЕЙСТВИЕМ ВИБРАЦИОННЫХ НАГРУЗОК</article-title><trans-title-group xml:lang="en"><trans-title>IMPURITY DIFFUSION IN MATERIAL UNDER VIBRATION LOADS</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>Индейцев</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Indeytsev</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук, профессор, член-корреспондент Российской академии наук, научный руководитель </p></bio><bio xml:lang="en"><p>doctor of physical and mathematical sciences, professor,  corresponding member of Russian Academy of Sciences,  scientific head</p></bio><email xlink:type="simple">Dmitry.Indeitsev@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>Мочалова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mochalova</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>candidate of physical and mathematical sciences, сsenior research</p></bio><email xlink:type="simple">yumochalova@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт Проблем Машиноведения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Problems in Mechanical Engineering RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>08</day><month>01</month><year>2018</year></pub-date><volume>18</volume><issue>3</issue><fpage>290</fpage><lpage>303</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Индейцев Д.А., Мочалова Ю.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Индейцев Д.А., Мочалова Ю.А.</copyright-holder><copyright-holder xml:lang="en">Indeytsev D.A., Mochalova Y.A.</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://www.chebsbornik.ru/jour/article/view/360">https://www.chebsbornik.ru/jour/article/view/360</self-uri><abstract><p>В рамках континуальной механики разрабатывается двухкомпонентная модель материала,  содержащего примесь, и исследуется взаимное влияние диффузии примеси и деформации  основной структуры. Выводится уравнение движения примеси — обобщенное уравнение диффузии, которое позволяет учитывать не только перенос примеси за счет движения  основной структуры, но и влияние деформации на коэффициент диффузии. Рассмотрены  модельные задачи, которые качественно описывают два важнейших явления,  экспериментально наблюдаемые при воздействии вибрации на материалы с примесью,  локализацию концентрации примеси и падение обобщенной жесткости образца. В обеих задачах получены приближенные аналитические решения, которые хорошо согласуются  с проведенными ранее численными исследованиями и экспериментальными данными.</p></abstract><trans-abstract xml:lang="en"><p>Within the framework of the continuum mechanics, the authors develop a two-component impurity-containing model and investigate the mutual influence of impurity diffusion and the basic structure strains. They derive the equation of impurity motion — the  generalized diffusion equation, which allows them to take into  account not only impurity transport due to the basic structure  motion, but also the effect of strain on the diffusion coefficient. The  paper considers modeling problems that qualitatively describe two  most important phenomena that are observed experimentally under  vibration on materials with an admixture, localization of the impurity concentration, and the drop in the generalized rigidity of the sample. In both problems, approximate analytical solutions are  obtained that are in good agreement with earlier numerical studies and experimental data.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>континуальная механика</kwd><kwd>двухкомпонентная модель</kwd><kwd>диффузия</kwd><kwd>деформация</kwd><kwd>приближенное аналитическое решение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>continuum mechanics</kwd><kwd>two-component material model</kwd><kwd>diffusion</kwd><kwd>deformation</kwd><kwd>approximate analytical solutions</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">Блехман И. И. 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