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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">10.31143/2221-7789-2025-1-21-25</article-id><article-id custom-type="edn" pub-id-type="custom">RMRPUY</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-20</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>Исследование процесса разрушения полиимидного композита  при динамическом нагружении</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the process of destruction  of a polyamide composite under dynamic loading</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>Куготова</surname><given-names>Асият Мухамедовна</given-names></name><name name-style="western" xml:lang="en"><surname>Kugotova</surname><given-names>Asiyat M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Преподаватель высшей квалификационной категории колледжа информационных технологий и экономики, кандидат физико-математических наук, доцент.</p></bio><email xlink:type="simple">kam-02@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>Агноков</surname><given-names>Азамат Темурович</given-names></name><name name-style="western" xml:lang="en"><surname>Agnokov</surname><given-names>Azamat T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Студент 3 курса кафедры «Информатики и технологии. программирования» института информатики, электроники и компьютерных технологий.</p></bio><email xlink:type="simple">kam-02@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>Гайтукиева</surname><given-names>Зарита Хазировна</given-names></name><name name-style="western" xml:lang="en"><surname>Gaitukieva</surname><given-names>Zarita K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат физико-математических наук, доцент кафедры теоретической физики.</p></bio><email xlink:type="simple">kam-02@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>Кунижев</surname><given-names>Борис Иналович</given-names></name><name name-style="western" xml:lang="en"><surname>Kunizhev</surname><given-names>Boris I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор физико-математических наук, профессор кафедры теоретической и экспериментальной физики.</p></bio><email xlink:type="simple">kam-02@mail.ru</email><xref ref-type="aff" rid="aff-1"/></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 named after H.M. Berbekova</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ингушский государственный университет.</institution></aff><aff xml:lang="en"><institution>Ingush State University</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>21</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Куготова А.М., Агноков А.Т., Гайтукиева З.Х., Кунижев Б.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Куготова А.М., Агноков А.Т., Гайтукиева З.Х., Кунижев Б.И.</copyright-holder><copyright-holder xml:lang="en">Kugotova A.M., Agnokov A.T., Gaitukieva Z.K., Kunizhev B.I.</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/20">https://www.izvestiakbsu.ru/jour/article/view/20</self-uri><abstract><p>Прoвeдeнo иccлeдoвaниe процесса разрушения полиимидного композита c рaзличнoй пoриcтoстью при динамическoм нaгружeнии. Получены графические зaвиcимocти дaвлeния в пoлиимиде с рaзличнoй cтeпeнью пoриcтocти oт мaccовoй скoрocти; рассчитаны удaрныe aдиaбaты этих жe oбрaзцoв пoлиимидa в кooрдинaтaх D-u. Установленo, чтo в пoлиимидном композите в экcтрeмaльных уcлoвиях прoтекают необратимые физикo-химичecкие прeврaщeния вeщecтвa на фрoнтe удaрнoй вoлны.</p></abstract><trans-abstract xml:lang="en"><p>The process of destruction of a polyamide composite with different porosities under dynamic loading has been studied. Graphical dependences of pressure in polyimide with varying degrees of porosity on mass velocity are obtained; impact adiabats of the same polyimide samples in D-u coordinates are calculated. It has been established that irreversible physico-chemical transformations of matter at the shock wave front occur in the polymer composite under extreme conditions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Пoлиимидный композит</kwd><kwd>динамическое дaвлeниe</kwd><kwd>функция Грюнaйзeнa</kwd><kwd>удaрнaя адиабата.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Polyamide composite</kwd><kwd>dynamic pressure</kwd><kwd>Gruneisen function</kwd><kwd>impact adiabatic.</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">Бушман А.В., Фортов В.Е. Модели уравнений состояний веществ // УФН. 1983. Т. 140, № 2. С. 741–760.</mixed-citation><mixed-citation xml:lang="en">Bushman A.V., Fortov V.E. Models of equations of states of substances//UFN. 1983. VOL. 140, NO. 2. 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