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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2023-2-162-167</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2506</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>МАТЕРИАЛОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>Исследование механических и акустических свойств деформируемых сплавов</article-title><trans-title-group xml:lang="en"><trans-title>Mechanical and acoustic properties of deformable alloys</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5010-9969</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баранникова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Barannikova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Александровна Баранникова, д.ф.-м.н., ведущий научный сотрудник лаборатории физики прочности</p><p>Россия, 634055, Томск, пр. Академичес­кий, 2/4</p></bio><bio xml:lang="en"><p>Svetlana A. Barannikova, Dr. Sci. (Phys.-Math.), Leading Researcher of the Laboratory of Strength Physics</p><p>2/4 Akademicheskii Ave., Tomsk 634055, Russian Federation</p></bio><email xlink:type="simple">bsa@ispms.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/0000-0002-4819-7653</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Надежкин</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nadezhkin</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Владимирович Надежкин, к.т.н., научный сотрудник лаборатории физики прочности</p><p>Россия, 634055, Томск, пр. Академичес­кий, 2/4</p></bio><bio xml:lang="en"><p>Mikhail V. Nadezhkin, Cand. Sci. (Eng.), Research Associate of the Laboratory of Strength Physics</p><p>2/4 Akademicheskii Ave., Tomsk 634055, Russian Federation</p></bio><email xlink:type="simple">mvn@ispms.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/0000-0001-8256-283X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исхакова</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Iskhakova</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полина Валентиновна Исхакова, младший научный сотрудник лаборатории физики прочности</p><p>Россия, 634055, Томск, пр. Академичес­кий, 2/4</p></bio><bio xml:lang="en"><p>Polina V. Iskhakova, Junior Researcher of the Laboratory of Strength Physics</p><p>2/4 Akademicheskii Ave., Tomsk 634055, Russian Federation</p></bio><email xlink:type="simple">iskhakova.polina@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения Сибирского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Strength Physics and Materials Science, Siberian Branch of Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2023</year></pub-date><volume>66</volume><issue>2</issue><fpage>162</fpage><lpage>167</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баранникова С.А., Надежкин М.В., Исхакова П.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Баранникова С.А., Надежкин М.В., Исхакова П.В.</copyright-holder><copyright-holder xml:lang="en">Barannikova S.A., Nadezhkin M.V., Iskhakova P.V.</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://fermet.misis.ru/jour/article/view/2506">https://fermet.misis.ru/jour/article/view/2506</self-uri><abstract><p>В работе исследованы зависимости между скоростью распространения ультразвука и механическими характеристиками в процессе одноосного растяжения аустенитной нержавеющей стали марки 12Х18Н10Т, обладающей уникальным комплексом физико-механических свойств, включая высокие показатели прочности, пластичности, ударной вязкости и хладостойкости. Данный комплекс физико-механических свойств обеспечивается благодаря действию различных механизмов пластической деформации (дислокационное скольжение/двойникование, образование дефектов упаковки, мартенситное превращение). Следует отметить, что оценка изменения механических характеристик металлов (особенно при низких температурах) является весьма трудоемкой задачей и требует применения неразрушающих методов контроля. Экспериментальные результаты были получены с помощью стенда, предназначенного для синхронизированного с записью диаграммы напряжение – деформация определения скорости распространения ультразвука и коэффициента затухания ультразвуковой волны как функций деформации. Процедура измерения скорости распространения ультразвука заключается в фиксировании времени прохождения ультразвукового рэлеевского импульса между передающим и приемным преобразователями. Затухание ультразвуковой волны вычисляется по изменению формы этого импульса. Импульсы возбуждаются пьезоэлектрическим преобразователем на частоте 5 МГц. Исследовано изменение акустических характеристик в условиях статического нагружения и рассчитаны критические параметры перехода материала в деструктивное состояние. Скорость распространения рэлеевских ультразвуковых волн непосредственно в ходе нагружения материала является информативным признаком для анализа природы процессов, контролирующих пластичность. Обнаружено влияние температуры испытаний на акустические и механические характеристики стали. Исследуемый температурный интервал 180 К ≤ T ≤ 318 К выбран с учетом возможности реализации в стали прямого γ → α′ мартенситного превращения при растяжении.</p></abstract><trans-abstract xml:lang="en"><p>The paper is devoted to correlation dependences of ultrasound velocity with characteristics of strength and plasticity in uniaxial tension of Fe18Cr10Ni austenitic stainless steel with a unique set of physical and mechanical properties. Such a successful set of mechanical properties is provided by dislocation slip and twinning, the formation of stacking faults, and martensitic transformation. It should be noted that the assessment of changes in the mechanical characteristics of metals (especially at low temperatures) is a very laborious task and requires the use of non-destructive control methods. Experimental data was obtained using a bench designed to synchronize with recording of the “stress – strain” diagram for determining the values of ultrasound velocity propagation and the attenuation coefficient of the ultrasonic wave as a function of deformation. Measurement of ultrasound velocity propagation was reduced to determining the time of passage of an ultrasonic Rayleigh pulse between transmitting and receiving transducers. Attenuation was determined from the change in pulse shape. The pulses were excited by a piezoelectric transducer at a frequency of 5 MHz. The authors experimentally studied static loading effect on acoustic characteristics and calculated the destruction parameters. The propagation ultrasound velocity in deformable material is an informative feature for analyzing the nature of the processes that control plasticity. The effect of test temperature in the range 180 K ≤ T ≤ 320 K on acoustic and mechanical characteristics of the steel was studied to ensure control of its structural state and mechanical properties by means of non-destructive testing. The temperature range was chosen taking into account the possibility of direct γ → α′ martensitic transformation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>прочность</kwd><kwd>пластическая деформация</kwd><kwd>разрушение</kwd><kwd>скорость ультразвука</kwd><kwd>нержавеющие стали</kwd></kwd-group><kwd-group xml:lang="en"><kwd>strength</kwd><kwd>plastic deformation</kwd><kwd>failure</kwd><kwd>ultrasound velocity</kwd><kwd>stainless steel</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке гранта Российского научного фонда, проект № 22-29-01608, https://rscf.ru/project/22-29-01608/</funding-statement><funding-statement xml:lang="en">The work was supported by the Russian Science Foundation (grant No. 22-29-01608, https://rscf.ru/project/22-29-01608/).</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">Ding X., Wu X., Wang Y. 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