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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">10.20915/2077-1177-2023-19-4-73-81</article-id><article-id custom-type="elpub" pub-id-type="custom">rmjournal-423</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>Стандартные образцы</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Reference materials</subject></subj-group></article-categories><title-group><article-title>Разработка стандартных образцов динамических магнитных свойств стали электротехнической холоднокатаной изотропной</article-title><trans-title-group xml:lang="en"><trans-title>Development of Reference Materials for AC Magnetic Properties of Cold-rolled Non-oriented Electrical Steel</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>Сердюков</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Serdjukov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сердюков Сергей Владимирович – научный сотрудник лаборатории метрологии магнитных измерений и неразрушающего контроля </p><p>Researcher ID: AAE-5131–2022</p><p>620075, г. Екатеринбург, ул. Красноармейская, 4</p></bio><bio xml:lang="en"><p>Sergey V. Serdjukov – Researcher, Laboratory of Metrology of Magnetic Measurements and Non-Destructive Testing</p><p>Researcher ID: AAE-5131–2022</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p></bio><email xlink:type="simple">serdyukovsv@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>Маслова</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Maslova</surname><given-names>T. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маслова Татьяна Ивановна – старший научный сотрудник лаборатории метрологии магнитных измерений и неразрушающего контроля </p><p>Researcher ID: AAE-5161–2022</p><p>620075, г. Екатеринбург, ул. Красноармейская, 4</p></bio><bio xml:lang="en"><p>Tatiana I. Maslova – Senior Researcher, Laboratory of Metrology of Magnetic Measurements and Non-Destructive Testing</p><p>Researcher ID: AAE-5161–2022</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p></bio><email xlink:type="simple">maslova@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>Цай</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsay</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цай Ирина Сергеевна – и. о. зав. лабораторией метрологии магнитных измерений и неразрушающего контроля </p><p>Researcher ID: AAE-5173–2022</p><p>620075, г. Екатеринбург, ул. Красноармейская, 4</p></bio><bio xml:lang="en"><p>Irina S. Tsay – Acting Head of the Laboratory of Metrology of Magnetic Measurements and Non-Destructive Testing</p><p>Researcher ID: AAE-5173–2022</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p></bio><email xlink:type="simple">tsay@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/0000-0002-3754-0743</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волегова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Volegova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волегова Екатерина Александровна – научный сотрудник лаборатории метрологии магнитных измерений и неразрушающего контроля</p><p>Researcher ID: O-5295–2018</p><p>620075, г. Екатеринбург, ул. Красноармейская, 4</p></bio><bio xml:lang="en"><p>Ekaterina A. Volegova – Researcher, Laboratory of Metrology of Magnetic Measurements and Non-Destructive Testing</p><p>Researcher ID: O-5295–2018</p><p>4 Krasnoarmeyskaya str., Yekaterinburg, 620075</p></bio><email xlink:type="simple">maslova@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>2023</year></pub-date><pub-date pub-type="epub"><day>24</day><month>09</month><year>2023</year></pub-date><volume>19</volume><issue>4</issue><fpage>73</fpage><lpage>81</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сердюков С.В., Маслова Т.И., Цай И.С., Волегова Е.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Сердюков С.В., Маслова Т.И., Цай И.С., Волегова Е.А.</copyright-holder><copyright-holder xml:lang="en">Serdjukov S.V., Maslova T.I., Tsay I.S., Volegova E.A.</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/423">https://www.rmjournal.ru/jour/article/view/423</self-uri><abstract><p>Электротехническая сталь – это магнитомягкий материал, применяемый при изготовлении различного электротехнического оборудования, предназначенного для передачи и преобразования электроэнергии и используемого преимущественно в переменных магнитных полях промышленных частот. Ключевыми характеристиками такого материала являются динамические магнитные свойства, которые нормируются при оценке соответствия материала требованиям, предъявляемым как российскими, так и зарубежными стандартами.</p><p>В статье представлены сведения об аспектах разработки стандартных образцов динамических магнитных свойств стали электротехнической холоднокатаной изотропной, выполненных в форме полос для аппарата Эпштейна. Главной особенностью этих стандартных образцов является то, что величина одной из двух аттестуемых характеристик – удельной мощности магнитных потерь – передается напрямую от государственного первичного эталона, а другой – амплитуды магнитной индукции – определяется в соответствии с аттестованной методикой измерений. Их применение позволит обеспечить возможность полного и достоверного определения магнитных характеристик образцов изотропной электротехнической стали, нормируемых в соответствии с требованиями действующих стандартов.</p></abstract><trans-abstract xml:lang="en"><p>Electrical steel is a soft magnetic material used in the manufacture of various electrical equipment intended for the transmission and conversion of electricity and used mainly in alternating magnetic fields of industrial frequencies. The key properties of such a material are AC magnetic properties, which are standardized when assessing the compliance of the material with the requirements of both Russian and foreign standards. The article presents information about the aspects of the development of reference materials for AC magnetic properties of electrical cold-rolled non-oriented steel made in the form of strips for the Epstein frame. The main feature of these reference materials is that the value of one of the two certified characteristics (specific power of magnetic losses) is transmitted directly from the State primary standard, and the other (magnetic induction amplitude) is determined in accordance with a certified measurement procedure. Their use will provide the possibility of a comprehensive and reliable determination of the magnetic characteristics of samples of non-oriented electrical steel normalized in accordance with the requirements of current standards.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>магнитомягкие материалы</kwd><kwd>изотропная электротехническая сталь</kwd><kwd>аппарат Эпштейна</kwd><kwd>динамические магнитные свойства</kwd><kwd>удельная мощность магнитных потерь</kwd><kwd>магнитная индукция</kwd><kwd>стандартные образцы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soft magnetic materials</kwd><kwd>non-oriented electrical steel</kwd><kwd>Epstein frame</kwd><kwd>AC magnetic properties</kwd><kwd>specific power of magnetic losses</kwd><kwd>magnetic induction</kwd><kwd>reference materials</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Это исследование не получало финансовой поддержки в виде гранта от какой-либо организации государственного, коммерческого или некоммерческого сектора. Все измерения проводились с использованием оборудования ФГУП «ВНИИМ им. Д. И. Менделеева».</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The research did not receive financial support in the form of a grant from any organization in the public, commercial or non-profit sector. All measurements were performed using the equipment of the D. I. Mendeleyev Institute for Metrology.</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">1337 EURAMET.EM.M-S2: Supplementary comparison of national standard facilities in the field of measuring the polarization and specific total power loss in soft magnetic materials / M. Albrecht [et al.] // Metrologia. 2018. Vol. 55, № 1A. P. 01006. https://doi.org/10.1088/0026–1394/55/1A/01006</mixed-citation><mixed-citation xml:lang="en">Albrecht M., Malygin M. 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