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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">ikbgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Кабардино-Балкарского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Kabardino-Balkarian State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-7789</issn><publisher><publisher-name>Kabardino-Balkarian State University named after Kh. M. Berbekov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31143/2221-7789-2025-1-5-9</article-id><article-id custom-type="edn" pub-id-type="custom">EXFBYI</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-18</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>Физика</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Physics</subject></subj-group></article-categories><title-group><article-title>Межфазные характеристики биокомпозитов «Эпоксиполимер/растительное волокно»: фрактальная модель</article-title><trans-title-group xml:lang="en"><trans-title>An interfacial characteristics of biocomposites «Epoxy polymer/plant fibre»: a fractal model</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>Долбин</surname><given-names>Игорь Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Dolbin</surname><given-names>Igor V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старший научный сотрудник центра прогрессивных материалов и аддитивных технологий.</p></bio><bio xml:lang="en"><p>Senior Researcher, Center for Progressive Materials and Additive Technologies</p></bio><email xlink:type="simple">i_dolbin@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>Кудрова</surname><given-names>Елена Геннадьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Kudrova</surname><given-names>Elena G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старший преподаватель.</p></bio><bio xml:lang="en"><p>Senior Lecturer</p></bio><email xlink:type="simple">i_dolbin@mail.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>Солодовник</surname><given-names>Сергей Григорьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Solodovnik</surname><given-names>Sergey G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старший преподаватель.</p></bio><bio xml:lang="en"><p>Senior Lecturer</p></bio><email xlink:type="simple">i_dolbin@mail.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>Астапенко</surname><given-names>Андрей Валентинович</given-names></name><name name-style="western" xml:lang="en"><surname>Astapenko</surname><given-names>Andrey V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук.</p></bio><bio xml:lang="en"><p>Candidate of Technical Sciences</p></bio><email xlink:type="simple">i_dolbin@mail.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>Козлов</surname><given-names>Геннадий Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Kozlov</surname><given-names>Gennady V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор физико-математических наук, профессор, учёный-физик.</p></bio><bio xml:lang="en"><p>Doctor of physico-mathematical sciences, professor, physicist.</p></bio><email xlink:type="simple">i_dolbin@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный университет им. Х.М. Бербекова.</institution></aff><aff xml:lang="en"><institution>Kabardino-Balkarian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский государственный университет туризма и сервиса.</institution></aff><aff xml:lang="en"><institution>Russian State University of Tourism and Service</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>15</day><month>12</month><year>2025</year></pub-date><volume>15</volume><issue>1</issue><fpage>5</fpage><lpage>9</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Долбин И.В., Кудрова Е.Г., Солодовник С.Г., Астапенко А.В., Козлов Г.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Долбин И.В., Кудрова Е.Г., Солодовник С.Г., Астапенко А.В., Козлов Г.В.</copyright-holder><copyright-holder xml:lang="en">Dolbin I.V., Kudrova E.G., Solodovnik S.G., Astapenko A.V., Kozlov G.V.</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.izvestiakbsu.ru/jour/article/view/18">https://www.izvestiakbsu.ru/jour/article/view/18</self-uri><abstract><p>Исследованы межфазные эффекты в биокомпозитах (композитах, армированных рас- тительными волокнами) в рамках фрактального анализа. Показано, что использованные методы фрак- тального анализа позволяют дать достаточно точное количественное описание наиболее важных харак- теристик межфазного взаимодействия «полимерная матрица–растительное волокно», а именно прочно- сти межфазного контакта на сдвиг и глубины проникновения (просачивания) матричного полимера в при- поверхностный слой армирующего волокна.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>The interfacial effects in biocomposites (composites reinforced with plant fibres) were studied within the framework of fractal analysis. It has been shown that used methods of fractal analysis allow enough precise quantitative description of the most important characteristics of interfacial interaction polymer matrix- plant fiber, namely, shear strength of interfacial contact and depth of penetration (infiltration) of matrix poly- mer in superficial layer of reinforcing fiber. The fulfilled analysis corresponds fully to results for other types of reinforcing fibers, i.e. plant fibers cannot make in a separate class of reinforcing elements. Diameter of initial fiber serves as basic characteristic for analysis fulfillment.</p><p> </p></trans-abstract><kwd-group xml:lang="ru"><kwd>Линейный полиэтилен</kwd><kwd>сомономер</kwd><kwd>полиэтилен высокой плотности (ПЭВП)</kwd><kwd>сополимер этилена-α-олефина PERT.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Composite</kwd><kwd>epoxy matrix</kwd><kwd>flax fiber</kwd><kwd>shear strength</kwd><kwd>penetration depth</kwd><kwd>fractal analysis.</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">Ле Дуигу А., Гроэнс Ю., Бейли С., Кричкадек Р., Дэвис П., Сохье Л. Многомасштабное исследование поверхности раздела между натуральными волокнами и биополимером // Композит. Часть А. 2014. Т. 65. 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