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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">mireabulletin</journal-id><journal-title-group><journal-title xml:lang="ru">Russian Technological Journal</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Technological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-3210</issn><issn pub-type="epub">2500-316X</issn><publisher><publisher-name>RTU MIREA</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2500-316X-2025-13-4-37-46</article-id><article-id custom-type="edn" pub-id-type="custom">WYJGOZ</article-id><article-id custom-type="elpub" pub-id-type="custom">mireabulletin-1209</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>МИКРО- И НАНОЭЛЕКТРОНИКА. ФИЗИКА КОНДЕНСИРОВАННОГО СОСТОЯНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MICRO- AND NANOELECTRONICS. CONDENSED MATTER PHYSICS</subject></subj-group></article-categories><title-group><article-title>Измерение магнитострикции тензометрическим мостом с переменным возбуждением</article-title><trans-title-group xml:lang="en"><trans-title>Measurement of magnetostriction using a strain gauge bridge with alternating excitation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2648-0511</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурдин</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Burdin</surname><given-names>Dmitry A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бурдин Дмитрий Алексеевич, к.ф.-м.н., старший научный сотрудник, НОЦ «Магнитоэлектрические материалы и устройства»</p><p>119454, Москва, пр-т Вернадского, д. 78</p><p>ResearcherID N-9597-2016</p></bio><bio xml:lang="en"><p>Dmitry A. Burdin, Cand. Sci. (Phys.-Math.), Senior Researcher, Scientific and Educational Center “Magnetoelectric Materials and Devices” </p><p>78, Vernadskogo pr., Moscow, 119454</p><p>ResearcherID N-9597-2016</p></bio><email xlink:type="simple">phantastic@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА – Российский технологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>06</day><month>08</month><year>2025</year></pub-date><volume>13</volume><issue>4</issue><fpage>37</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бурдин Д.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Бурдин Д.А.</copyright-holder><copyright-holder xml:lang="en">Burdin D.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.rtj-mirea.ru/jour/article/view/1209">https://www.rtj-mirea.ru/jour/article/view/1209</self-uri><abstract><sec><title>Цели</title><p>Цели. Знание зависимости магнитострикции различных ферромагнитных материалов от магнитного поля важно для исследования магнитоэлектрического эффекта в композитных структурах, в частности для расчета формы полевой зависимости пьезомагнитных модулей и расчета магнитоупругих характеристик. Наиболее распространенным методом измерения магнитострикционного удлинения является использование тензорезистивных датчиков. Однако типичный уровень разрешения известных тензорезистивных установок для измерения магнитострикции составляет около 10−6, что недостаточно для получения детальной информации о пьезомагнитных коэффициентах исследуемых материалов. Цель работы – разработка автоматизированной установки для прецизионного измерения зависимости магнитострикции ферромагнитных пластин от магнитного поля в диапазоне ±5 кЭ с улучшенным на порядок разрешением по деформации.</p></sec><sec><title>Методы</title><p>Методы. В установке использованы пленочные тензорезистивные датчики, включенные в мост Уитстона, возбуждаемый переменным током. Благодаря примененному методу переноса частоты сигнала, а также применению малошумящего предусилителя и температурной стабилизации измерительной ячейки, удалось уменьшить уровень приведенных ко входу шумов и дрейфа нуля измерительной схемы.</p></sec><sec><title>Результаты</title><p>Результаты. Созданная установка обеспечивает на порядок более высокую точность измерения магнитострикции ферромагнитных пластин, чем известные, до 10−7 в диапазоне магнитных полей ±5 кЭ. Установка позволяет измерять также электро- и пьезодеформацию материалов в зависимости от приложенного электрического напряжения в диапазоне ±500 В. Результаты измерений дают возможность более точно рассчитать полевые зависимости пьезомагнитных и пьезоэлектрических коэффициентов материалов, в т.ч. материалов с малой величиной магнитострикции, таких как различные ферриты, гематит, железо-иттриевый гранат и др.</p></sec><sec><title>Выводы</title><p>Выводы. Применение метода переменного возбуждения измерительного моста в совокупности с другими мерами позволило повысить разрешение по деформации, которое составило около 10−7.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objectives</title><p>Objectives. Knowledge of the dependence of magnetostriction of various ferromagnetic materials on the magnetic field is important for studying the magnetoelectric effect in composite structures, in particular for calculating the shape of the field dependence of piezomagnetic moduli and for calculating magnetoelastic characteristics. However, the typical resolution level of known strain gauge setups for measuring magnetostriction is about 10−6, which is insufficient to obtain detailed information on the piezomagnetic coefficients of the materials under study. The paper describes the development of an automated setup for the precision measurement of the dependence of magnetostriction of ferromagnetic plates on a magnetic field in the range of ±5 kOe providing an improved strain resolution order of magnitude.</p></sec><sec><title>Methods</title><p>Methods. The setup uses film strain gauges included in a Wheatstone bridge excited by alternating current. Thanks to the applied method of signal frequency shift, as well as the use of a low-noise preamplifier and temperature stabilization of the measuring cell, it was possible to reduce the level of noise referred to the input and zero drift of the measuring circuit.</p></sec><sec><title>Results</title><p>Results. The developed setup provides an accuracy of the magnetostriction measurement of ferromagnetic plates up to 10−7 in the range of magnetic fields of ±5 kOe, which is an order of magnitude higher than known methods. The setup also allows measuring the electric and piezoelectric deformation of materials depending on the applied electrical voltage in the range of ±500 V. The measurement results can be used to more accurately calculate the field dependencies of the piezomagnetic and piezoelectric coefficients of materials, including materials with low magnetostriction, such as various ferrites, hematite, yttrium iron garnet, etc.</p></sec><sec><title>Conclusions</title><p>Conclusions. The method of alternating excitation of the measuring bridge in combination with other measures can be used to increase the deformation resolution to about 10−7.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>магнитострикция</kwd><kwd>тензометр</kwd><kwd>деформация</kwd><kwd>магнитоэлектрический эффект</kwd><kwd>композитная структура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnetostriction</kwd><kwd>strain gauge</kwd><kwd>deformation</kwd><kwd>magnetoelectric effect</kwd><kwd>composite structure</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Министерства науки и высшего образования РФ (Государственное задание для университетов FSFZ-2023-0005).</funding-statement><funding-statement xml:lang="en">The study is supported by the Ministry of Science and Higher Education of the Russian Federation within a State Assignment for Universities (project No. FSFZ-2023-0005).</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">Chu Z., Pourhosseini Asl M., Dong S. 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