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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">pribor</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Приборостроение</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Instrument Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3454</issn><issn pub-type="epub">2500-0381</issn><publisher><publisher-name>Национальный исследовательский университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/0021-3454-2023-66-4-320-334</article-id><article-id custom-type="elpub" pub-id-type="custom">pribor-95</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>ПРИБОРЫ И МЕТОДЫ КОНТРОЛЯ ПРИРОДНОЙ СРЕДЫ, ВЕЩЕСТВ, МАТЕРИАЛОВ И ИЗДЕЛИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INSTRUMENTS AND METHODS FOR MONITORING THE NATURAL ENVIRONMENT, SUBSTANCES, MATERIALS AND PRODUCTS</subject></subj-group></article-categories><title-group><article-title>Численное и экспериментальное моделирование акустоэлектрического метода неразрушающего контроля твердотельных диэлектриков</article-title><trans-title-group xml:lang="en"><trans-title>Numerical and experimental modeling of the acoustic-electrical method for non-destructive testing of solid-state dielectrics</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>Беспалько</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bespalko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анатолий Алексеевич Беспалько — д-р техн. наук; проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников; вед. научный сотрудник</p><p>Томск</p></bio><bio xml:lang="en"><p>Anatoly A. Bespalko — Dr. Sci.; Research Laboratory for Electronics, Semiconductors and Dielectrics; Leading Researcher</p><p>Tomsk</p></bio><email xlink:type="simple">besko@tpu.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>Данн</surname><given-names>Д. Д.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денис Дмитриевич Данн — канд. техн. наук; проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников; научный сотрудник</p><p>Томск</p></bio><email xlink:type="simple">dddann@tpu.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>Федотов</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotov</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павел Иванович Федотов — канд. техн. наук; проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников; инженер</p><p>Томск</p></bio><bio xml:lang="en"><p>Pavel I. Fedotov - PhD; Research Laboratory for Electronics,</p><p>Semiconductors and Dielectrics; Engineer</p><p>Tomsk</p></bio><email xlink:type="simple">pif@tpu.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>Дмитриева</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dmitrieva</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Софья Алексеевна Дмитриева — аспирант; проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников</p><p>Томск</p></bio><bio xml:lang="en"><p>Sofia A. Dmitrieva - Post-Graduate Student; Research Laboratory for Electronics, Semiconductors and Dielectrics</p><p>Tomsk</p></bio><email xlink:type="simple">dmitrieva_sa93@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>Ло</surname><given-names>Ц.</given-names></name><name name-style="western" xml:lang="en"><surname>Luo</surname><given-names>J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цзюньхуа Ло — аспирант; Национальный исследовательский проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников</p><p>Томск</p></bio><bio xml:lang="en"><p>Junhua Luo — Post-Graduate Student; Research Laboratory for Electronics, Semiconductors and Dielectrics</p><p>Tomsk</p></bio><email xlink:type="simple">lulubvv@foxmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Томский политехнический университет</institution></aff><aff xml:lang="en"><institution>Tomsk Polytechnic University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>26</day><month>11</month><year>2024</year></pub-date><volume>66</volume><issue>4</issue><fpage>320</fpage><lpage>334</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Национальный исследовательский университет ИТМО, 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Национальный исследовательский университет ИТМО</copyright-holder><copyright-holder xml:lang="en">Национальный исследовательский университет ИТМО</copyright-holder><license xlink:href="https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://pribor.ifmo.ru/jour/article/view/95">https://pribor.ifmo.ru/jour/article/view/95</self-uri><abstract><p>Для разработки комплексного акустоэлектрического метода неразрушающего контроля численно и экспериментально исследуются механоэлектрические и акустоэлектрические преобразования на примере образцов магнетитовой руды и модельных дефектных диэлектрических структур на основе цементнопесчаных смесей. Приведены результаты расчетов концентрации напряжений на трещинах разных размеров при распространении внешнего детерминированного акустического импульса по образцу. Показаны результаты экспериментальных исследований электромагнитной эмиссии образцов магнетитовой руды с содержанием кальцита и магнетита при одноосном сжатии до разрушения. Показано, что по спектрам электромагнитных откликов при акустоэлектрических преобразованиях возможно достоверно определять появление и развитие деструктивных зон в диэлектрических материалах. Приведены результаты изменения параметров электромагнитных откликов цементно-песчаной смеси с дефектами при внешнем импульсном акустическом воздействии в процессе ступенчатого нагружения сжатием и сдвигом. В качестве включений (дефектов) использовали магнетитовую руду и фторопласт, обладающие соответственно большим и меньшим акустическим импедансом, чем материал модельного образца. Рассматривается влияние длительности внешнего импульсного акустического возбуждения на параметры электромагнитных откликов в процессе ступенчатого нагружения модельных образцов.</p></abstract><trans-abstract xml:lang="en"><p>To develop a complex acoustoelectric method for non-destructive testing, mechanoelectric and acoustoelectric transformations are numerically and experimentally studied on the example of magnetite ore samples and model defective dielectric structures based on cement-sand mixtures. Results of calculations of stress concentration at cracks of different sizes during an external deterministic acoustic pulse propagation along the sample are presented.</p><p>Results of experimental studies of electromagnetic emission of samples of magnetite ore containing calcite and magnetite under uniaxial compression to fracture are demonstrated. The possibility of reliable determination the appearance and development of destructive zones in dielectric materials from the spectra of electromagnetic responses during acoustoelectric transformations is revealed. Results concerning changes in parameters of electromagnetic responses of a cement-sand mixture with defects under external pulsed acoustic action in the process of stepwise loading by compression and shear are presented. As inclusions (defects), magnetite ore and fluoroplastic are used, which have, respectively, a higher and lower acoustic impedance than the model sample material. The effect of duration of external pulsed acoustic excitation on parameters of electromagnetic responses during stepwise loading of model samples is considered. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>механоэлектрические и акустоэлектрические преобразования</kwd><kwd>горные породы</kwd><kwd>диэлектрики</kwd><kwd>напряжения сжатия  и сдвига</kwd><kwd>акустическое воздействие</kwd><kwd>разрушение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mechanoelectric and acoustoelectric transformations</kwd><kwd>rocks</kwd><kwd>dielectrics</kwd><kwd>compression and shear loads</kwd><kwd>acoustic impact</kwd><kwd>fracture</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена при поддержке РНФ, проект № 20-79-10156.</funding-statement><funding-statement xml:lang="en">The work was supported by the Russian Science Foundation, project No. 20-79-10156.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Клюев В. 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