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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">10.22405/2226-8383-2021-22-1-370-377</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-952</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>История математики и приложений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Сomputer science</subject></subj-group></article-categories><title-group><article-title>Математический вариационный метод определения эффективного предела текучести двухкомпонентных композиционных материалов</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical variational method for determining the effective yield strength of two-component composite materials</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>Архипов</surname><given-names>Игорь Константинович</given-names></name><name name-style="western" xml:lang="en"><surname>Arkhipov</surname><given-names>Igor Konstantinovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор</p></bio><bio xml:lang="en"><p>doctor of technical sciences, professor</p></bio><email xlink:type="simple">kusovleva@yandex.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>Абрамова</surname><given-names>Влада Игоревна</given-names></name><name name-style="western" xml:lang="en"><surname>Abramova</surname><given-names>Vlada Igorevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент</p></bio><bio xml:lang="en"><p>candidate of technical sciences, associate professor</p></bio><email xlink:type="simple">abramova_vi@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>Кузовлева</surname><given-names>Ольга Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzovleva</surname><given-names>Olga Vladimirovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент</p></bio><bio xml:lang="en"><p>candidate of technical sciences, docent</p></bio><email xlink:type="simple">kusovleva@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>Гвоздев</surname><given-names>Александр Евгеньевич</given-names></name><name name-style="western" xml:lang="en"><surname>Gvozdev</surname><given-names>Alexandr Evgenyevich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор</p></bio><bio xml:lang="en"><p>doctor of engineering, professor</p></bio><email xlink:type="simple">gwozdew.alexandr2013@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тульский государственный педагогический университет им. Л.Н. Толстого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tula State Pedagogical University L. N. Tolstoy</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский государственный университет правосудия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State University of justice</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Тульский государственный педагогический университет им. Л.Н. Толстого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tula State Pedagogical University L.N. Tolstoy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>07</day><month>04</month><year>2021</year></pub-date><volume>22</volume><issue>1</issue><fpage>370</fpage><lpage>377</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Архипов И.К., Абрамова В.И., Кузовлева О.В., Гвоздев А.Е., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Архипов И.К., Абрамова В.И., Кузовлева О.В., Гвоздев А.Е.</copyright-holder><copyright-holder xml:lang="en">Arkhipov I.K., Abramova V.I., Kuzovleva O.V., Gvozdev A.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://www.chebsbornik.ru/jour/article/view/952">https://www.chebsbornik.ru/jour/article/view/952</self-uri><abstract><p>В работе предлагается развитие математического вариационного метода Хашина- Штрикмана, который применялся ранее для определения вилки возможных значений эффективных упругих характеристик. В этом случае определяются эффективные характеристики пластичности двухкомпонентных композитов. В частности, определена вилка возможных значений эффективного предела текучести таких композиционных материалов</p></abstract><trans-abstract xml:lang="en"><p>The paper proposes the development of the mathematical variational Hashin-Strickman method, which was previously used to determine the maximum possible values of effective elasticcharacteristics. In this case, the effective plasticity characteristics of two-component composites are determined. In particular, the fork of possible values of the effective yield strength of suchcomposite materials is determined</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вариационный метод</kwd><kwd>композиционные материалы</kwd><kwd>характеристики пластичности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>variational method</kwd><kwd>composite materials</kwd><kwd>plasticity characteristics</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">Hashin Z. 1964, «Theory of mechanical behavior of heterogeneous media», Appl. Mech. Rev., 17, №1.</mixed-citation><mixed-citation xml:lang="en">Hashin Z. 1964, «Theory of mechanical behavior of heterogeneous media», Appl. Mech. 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