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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">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2023-14-2-115-125</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-823</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>Методы измерений, контроля, диагностики</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Methods of measurements, monitoring, diagnostics</subject></subj-group></article-categories><title-group><article-title>Применение метода дифракции рентгеновских лучей для изучения напряжённого состояния поверхности металла при статическом и ударном деформировании</article-title><trans-title-group xml:lang="en"><trans-title>X-ray Diffraction Method in the Study of a Metal Surface Stress State Under Static and Impact Deformation</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>Крень</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kren</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Крень А.П. – Ин-т прикладной физики Национальной академии наук Беларуси, ул. Академическая, 16, г. Минск 220012, Беларусь.e-mail: 762-33-00@gmail.com</p></bio><bio xml:lang="en"><p>Address for correspondence: Kren A.P. – Institute of Applied Physics of the National Academy of Science of Belarus,Akademicheskaya str., 16, Minsk 220012, Belarus e-mail: 762-33-00@gmail.com</p></bio><email xlink:type="simple">762-33-00@gmail.com</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>Делендик</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Delendik</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пр-т Независимости, 65, г. Минск 220013</p></bio><bio xml:lang="en"><p>Nezavisimosty Ave., 65, Minsk 220013</p><p> </p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мацулевич</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Matsulevich</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Академическая, 16, г. Минск 220012</p></bio><bio xml:lang="en"><p>Akademicheskaya str., 16, Minsk 220012, Belarus</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусев</surname><given-names>О. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusev</surname><given-names>O. K.</given-names></name></name-alternatives><bio xml:lang="en"><p>Nezavisimosty Ave., 65, Minsk 220013</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пантелеев</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pantsialeyeu</surname><given-names>K. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пр-т Независимости, 65, г. Минск 220013</p></bio><bio xml:lang="en"><p>Nezavisimosty Ave., 65, Minsk 220013</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воробей</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobey</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пр-т Независимости, 65, г. Минск 220013</p></bio><bio xml:lang="en"><p>Nezavisimosty Ave., 65, Minsk 220013</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт прикладной физики Национальной академии наук Беларуси</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Institute of Applied Physics of the National Academy of Science of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский национальный технический университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian National Technical University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>08</month><year>2023</year></pub-date><volume>14</volume><issue>2</issue><fpage>115</fpage><lpage>125</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крень А.П., Делендик М.Н., Мацулевич О.В., Гусев О.К., Пантелеев К.В., Воробей Р.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Крень А.П., Делендик М.Н., Мацулевич О.В., Гусев О.К., Пантелеев К.В., Воробей Р.И.</copyright-holder><copyright-holder xml:lang="en">Kren A.P., Delendik M.N., Matsulevich O.V., Gusev O.K., Pantsialeyeu K.U., Vorobey R.I.</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://pimi.bntu.by/jour/article/view/823">https://pimi.bntu.by/jour/article/view/823</self-uri><abstract><p>Изучение поля напряжений в пластическом отпечатке и вокруг него имеет большое прикладное значение. Процессы, подобные вдавливанию индентора, используются при дробеструйной обработке для упрочнения поверхности материалов и генерации сжимающих напряжений в поверхностных слоях. Целью работы являлось изучение изменения напряжённо-деформированного состояния в области пластического отпечатка при увеличении нагрузки, при переходе от малых деформаций к большим, а также изменения напряжения при различных скоростях деформации.</p><p>Методом дифракции рентгеновских лучей изучено поле остаточных напряжений, сгенерированных на поверхности пластически деформированной области – в зоне отпечатка, образующегося при вдавливании в металл сферического индентора. Проанализировано изменение распределения напряжений при увеличении нагрузки в диапазоне глубин пластического отпечатка 10–60 мкм для сталей и алюминия. Изучено влияние скорости нагружения, при нормальном контакте соударяющихся тел, на изменение значений остаточных напряжений. Показано, что распределение напряжений имеет сложный характер с областями сжатия и растяжения металла и определяется соотношением глубины отпечатка к его диаметру.</p><p>Полученные экспериментальные данные позволяют определять выбор оптимальных режимов дробеструйной обработки, в том числе для повышения предела выносливости изделий.</p></abstract><trans-abstract xml:lang="en"><p>Study of the stress field in a plastic imprint and around it is of great practical importance. Processes similar to indentation are used in shot blasting to harden the surface of materials and generate compressive stresses in the surface layers. The purpose of this work was to study the change in the stress-strain state in the area of the plastic imprint with increasing load, in the transition from small to large deformations, as well as to study the change in stress at different strain rates.</p><p>X-ray diffraction method was used to study the field of residual stresses generated on the surface of a plastically deformed region – in the zone of an imprint formed when a spherical indenter is pressed into the metal. An analysis of the change in the stress distribution with increasing load in the range of plastic imprint depths of 10–60 µm for steels and aluminum was made. Influence of the loading rate on the change in the values of residual stresses under normal contact of colliding bodies was studied. It is shown that the stress distribution has a complex character with areas of compression and tension of the metal and is determined by the ratio of the indentation depth to its diameter.</p><p>The obtained experimental data make it possible to determine the choice of optimal modes of shot blasting, including for increasing the endurance limit of products.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>деформация</kwd><kwd>распределение механических напряжений</kwd><kwd>статическое и динамическое индентирование</kwd><kwd>дифракция рентгеновских лучей</kwd><kwd>поверхность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>deformation</kwd><kwd>mechanical stress distribution</kwd><kwd>static and dynamic indentation</kwd><kwd>X-ray diffraction</kwd><kwd>surface</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">Kobayashi M., Matsui T., Murakami Y. 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