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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2022-88-1-I-92-97</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1565</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>ИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ. МЕХАНИКА МАТЕРИАЛОВ: ПРОЧНОСТЬ, РЕСУРС, БЕЗОПАСНОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TESTING OF STRUCTURE AND PARAMETERS. MECHANICAL TESTING METHODS</subject></subj-group></article-categories><title-group><article-title>Использование метода лазерной ударной проковки в целях увеличения усталостного ресурса металлических материалов</article-title><trans-title-group xml:lang="en"><trans-title>Experimental implementation of the laser shock peening method aimed at an increase in the fatigue properties of metals</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>Прохоров</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Prokhorov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Евгеньевич Прохоров</p><p>614013, Пермь, ул. Ак. Королева, д. 1</p></bio><bio xml:lang="en"><p>Alexander E. Prokhorov</p><p>1, Ak. Koroleva ul., Perm, 614013</p></bio><email xlink:type="simple">Prokhorov.a@icmm.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>Вшивков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vshivkov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Николаевич Вшивков</p><p>614013, Пермь, ул. Ак. Королева, д. 1</p></bio><bio xml:lang="en"><p>Aleksei N. Vshivkov</p><p>1, Ak. Koroleva ul., Perm, 614013</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>Гачегова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gachegova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Алексеевна Гачегова</p><p>614013, Пермь, ул. Ак. Королева, д. 1</p></bio><bio xml:lang="en"><p>Elena A. Gachegova</p><p>1, Ak. Koroleva ul., Perm, 614013</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>Плехов</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Plekhov</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Анатольевич Плехов</p><p>614013, Пермь, ул. Ак. Королева, д. 1</p></bio><bio xml:lang="en"><p>Oleg A. Plekhov</p><p>1, Ak. Koroleva ul., Perm, 614013</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт механики сплошных сред УрО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of continuous media mechanics UB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>18</day><month>01</month><year>2022</year></pub-date><volume>88</volume><issue>1(I)</issue><fpage>92</fpage><lpage>97</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Прохоров А.Е., Вшивков А.Н., Гачегова Е.А., Плехов О.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Прохоров А.Е., Вшивков А.Н., Гачегова Е.А., Плехов О.А.</copyright-holder><copyright-holder xml:lang="en">Prokhorov A.E., Vshivkov A.N., Gachegova E.A., Plekhov O.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.zldm.ru/jour/article/view/1565">https://www.zldm.ru/jour/article/view/1565</self-uri><abstract><p>Современные методы поверхностной обработки позволяют увеличить ресурс деталей в несколько раз путем формирования высокоамплитудных остаточных сжимающих напряжений. Цель — создание экспериментальной установки для обработки металлических деталей сложной геометрии в целях создания остаточных сжимающих напряжений в поверхностных слоях до глубины 1 мм. Исследования проводили на примере деталей из титановых сплавов. Созданная установка включает в себя твердотельный лазер с энергией импульса до 10 Дж, шестиосевой робот-манипулятор и систему для измерения остаточных напряжений методом сверления отверстий. Обработку проводили в автоматическом режиме с возможностью поточной смены образцов. Геометрию деталей и особенности обработки отрабатывали на цифровой трехмерной модели детали. Проведены испытания, которые показали зависимость величин остаточных напряжений от условий обработки деталей, а также необходимость проведения численного анализа и предварительного моделирования процесса лазерной ударной проковки. Остаточные напряжения измеряли методом сверления отверстий в образцах до и после лазерной ударной проковки при различных условиях обработки, строили профили этих напряжений по глубине. Показано, что, кроме мощности импульса, на величину и распределение остаточных напряжений существенно влияют количество повторных проходов, степень перекрытия и технология предварительной подготовки поверхности образцов. Проведенный анализ позволил подобрать оптимальный режим обработки титановых сплавов, обеспечивающий значения остаточных сжимающих напряжений до 1 ГПа.</p></abstract><trans-abstract xml:lang="en"><p>The study is aimed at the development and implementation of an experimental setup for treating metal parts with complex geometry to induce compressive residual stresses in the surface layers. Modern methods of surface treatment demonstrated the possibility of increasing the durability of parts by several times through creation of high-amplitude residual compressive stresses. We managed to form the residual compressive stresses up to a depth of 1 mm using the titanium alloy specimens. The developed installation consists of a solid-state laser with a pulse energy of up to 10 J, a six-axis robot manipulator, and a system for measuring residual stresses by hole drilling method. The processing is realized in automatic mode with the possibility of continuous change of specimens. The geometry of parts and processing features are worked out on a digital three-dimensional model of the part. A number of tests have been carried out to reveal the dependence of the values of residual stresses on the processing conditions and demonstrate the necessity of numerical analysis and preliminary modeling of the process of laser shock peening. The distribution of residual stresses was measured by hole drilling method in the specimens before and after laser shock peening under various processing conditions, and the profiles of these stresses in depth were plotted. It is shown that along with the pulse power, the value and distribution of residual stresses are significantly affected by the number of repeated passes, the overlap degree, and the technology of preliminary preparation of the specimen surface. The analysis made it possible to choose the optimal processing mode for titanium alloys providing the values of residual compressive stresses up to 1 GPa.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерная ударная проковка</kwd><kwd>обработка поверхности</kwd><kwd>остаточные напряжения</kwd><kwd>усталость металлов</kwd><kwd>долговечность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser shock peening</kwd><kwd>surface treatment</kwd><kwd>residual stress</kwd><kwd>fatigue of metals</kwd><kwd>durability</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке гранта РФФИ "Анализ структурных механизмов генерации сжимающих напряжений в процессе лазерной ударной проковки в титановом сплаве ВТ-6".</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">Brigger I., Shor B., Iosilevich G. 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