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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">rmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Эталоны. Стандартные  образцы</journal-title><trans-title-group xml:lang="en"><trans-title>Measurement Standards. Reference Materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2687-0886</issn><publisher><publisher-name>D. I. Mendeleyev Institute for Metrology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20915/2077-1177-2024-20-1-7-15</article-id><article-id custom-type="elpub" pub-id-type="custom">rmjournal-472</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>Эталоны</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Standards</subject></subj-group></article-categories><title-group><article-title>Применение установок с балками равного сопротивления изгибу в качестве рабочих  эталонов деформации</article-title><trans-title-group xml:lang="en"><trans-title>Application of Installations with Uniform-Strength Beams as Working Deformation Standards</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>Трибушевская</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tribushevskaia</surname><given-names>L.  A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трибушевская Лидия Александровна –  и. о. заведующего лабораторией метрологии силы, массы и линейно-угловых величин</p><p>620075, г. Екатеринбург, ул. Красноармейская, д. 4</p><p>Researcher ID: ABI-7037–2020</p></bio><bio xml:lang="en"><p>Lydia A. Tribushevskaia –  Acting Head of the laboratory of metrology of force, mass and linear-angular magnitudes</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p><p>Researcher ID: ABI-7037–2020</p></bio><email xlink:type="simple">form233@uniim.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>Митрофанов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mitrofanov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Митрофанов Владимир Витальевич –  инженер лаборатории метрологии силы, массы и линейно-угловых величин</p><p>620075, г. Екатеринбург, ул. Красноармейская, д. 4</p></bio><bio xml:lang="en"><p>Vladimir V. Mitrofanov –  Engineer of the laboratory of metrology of force, mass and linear-angular magnitudes</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p></bio><email xlink:type="simple">form233@uniim.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1106-8038</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Осипов</surname><given-names>Л. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Osipov</surname><given-names>L. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Осипов Леонид Евгеньевич –  инженер лаборатории метрологии силы, массы и линейно-угловых величин </p><p>620075, г. Екатеринбург, ул. Красноармейская, д. 4</p><p>ResearcherID: ABB-6879–2020</p></bio><bio xml:lang="en"><p>Leonid E. Osipov –  Engineer of the laboratory of metrology of force, mass and linear-angular magnitudes</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p><p>ResearcherID: ABB-6879–2020 </p></bio><email xlink:type="simple">osipovle@uniim.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">УНИИМ –  филиал ФГУП «ВНИИМ им. Д. И. Менделеева»<country>Россия</country></aff><aff xml:lang="en">UNIIM –  Affiliated Branch of the D. I. Mendeleyev Institute for Metrology<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2024</year></pub-date><volume>20</volume><issue>1</issue><fpage>7</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Трибушевская Л.А., Митрофанов В.В., Осипов Л.Е., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Трибушевская Л.А., Митрофанов В.В., Осипов Л.Е.</copyright-holder><copyright-holder xml:lang="en">Tribushevskaia L.A., Mitrofanov V.V., Osipov L.E.</copyright-holder><license 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.rmjournal.ru/jour/article/view/472">https://www.rmjournal.ru/jour/article/view/472</self-uri><abstract><p>Рассмотрены способ получения однородной деформации по длине рабочего участка балки равного сопротивления изгибу и возможность ее применения в составе рабочего эталона деформации. Изложены результаты анализа модели изгиба и конструкции балки равного сопротивления. В фокусе внимания – п араметры, входящие в уравнение измерений и связанные с методическими факторами, а также оказывающие влияние на результат измерений относительной деформации. Предметами исследования являются наличие сил контактного трения, неоднородность свойств материала, особый характер приложения нагрузки (изгиб, кручение, наличие остаточных напряжений в теле, геометрические параметры градуировочной балки, ориентация первичных преобразователей на балке, приложение изгибающей нагрузки, измерение прогиба и смещения нейтрального слоя). Установлены преимущества и недостатки применения балки равного сопротивления изгибу для определения характеристик первичных преобразователей деформации при испытаниях, калибровке и поверке. Экспериментально выявлено отклонение сигналов первичных преобразователей, расположенных вне осевого сечения, при ориентации вдоль оси балки и вдоль силовых линий, сходящихся в точке приложения нагрузки. Погрешность, обусловленная ориентацией первичных преобразователей на балке в зависимости от угла между боковыми гранями, может составлять от 0,15 до 0,23 %. Исследование пополнит теоретическую базу знаний о возможности использования консольной балки равного сопротивления как несущего элемента в градуировочных установках. Выводы могут быть полезны для проведения испытаний, калибровки и поверки первичных преобразователей деформации.</p></abstract><trans-abstract xml:lang="en"><p>A method for obtaining homogeneous deformation along the length of the measuring section of a uniform-strength beam and the possibility of its application as part of a working deformation standard are considered. The results of the analysis of the bending model and the design of a uniform-strength beam are presented. In the focus of attention are the parameters included in the measurement equation and related to methodological factors, as well as influencing the result of relative deformation measurements. The subjects of research are the presence of contact friction forces, heterogeneity of material properties, the special nature of the load application (bending, torsion, the presence of residual stresses in the body, geometrical parameters of the calibration beam, orientation of primary transducers on the beam, application of bending load, measurement of deflection and displacement of the neutral layer). The advantages and disadvantages of using a uniform-strength beam for determining the characteristics of primary strain transducers during testing, calibration, and verification were established. The deviation of signals of primary transducers located outside the axial cross-section when oriented along the beam axis and along the force lines converging at the point of load application was experimentally revealed. The error due to the orientation of the primary transducers on the beam depending on the angle between the lateral faces can range from 0.15 to 0.23 %. The study adds to the theoretical knowledge base on the possibility of using a cantilever uniform-strength beam as a load-bearing element in calibration installations. The conclusions may be useful for testing, calibrating, and verifying primary strain transducers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>балка равного сопротивления изгибу</kwd><kwd>измерение деформации</kwd><kwd>метрология</kwd></kwd-group><kwd-group xml:lang="en"><kwd>uniform-strength beam</kwd><kwd>strain gauges</kwd><kwd>metrology</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">Development of a novel adaptive range strain sensor for structural crack monitoring / Z. Jia [et al.] // Journal of Marine Science and Engineering. 2022. Vol. 10. P. 1710. https://doi.org/10.3390/jmse10111710</mixed-citation><mixed-citation xml:lang="en">Jia Z., Ma G., Su X., Li Y., Xing C., Ye S. et al. Development of a novel adaptive range strain sensor for structural crack monitoring. 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