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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">caht</journal-id><journal-title-group><journal-title xml:lang="ru">Научный вестник МГТУ ГА</journal-title><trans-title-group xml:lang="en"><trans-title>Civil Aviation High Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-0619</issn><issn pub-type="epub">2542-0119</issn><publisher><publisher-name>Moscow State Technical University of Civil Aviation (MSTU CA)</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">caht-319</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Механизмы разрушения титанового сплава ВТ3-1 в области сверхмногоцикловой усталости</article-title><trans-title-group xml:lang="en"><trans-title>FATIGUE CRACKING MECHANISMS OF TITANIUM ALLOY VT3-1 IN VERY-HIGH-CYCLE-FATIGUE REGIME</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>Шанявский</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shanyavskiy</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Батия</surname><given-names>К.</given-names></name><name name-style="western" xml:lang="en"><surname>Bathia</surname><given-names>C.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитин</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>A. D.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Палин-Люк</surname><given-names>Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Palin-Luk</surname><given-names>T.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ГосЦентр безопасности полетов</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Парижскbq университет</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>МАТИ</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-4"><institution>объединеннsq университет ЕНСАМ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2016</year></pub-date><volume>0</volume><issue>208</issue><fpage>22</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шанявский А.А., Батия К., Никитин А.Д., Палин-Люк Т., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Шанявский А.А., Батия К., Никитин А.Д., Палин-Люк Т.</copyright-holder><copyright-holder xml:lang="en">Shanyavskiy A.A., Bathia C., Nikitin A.D., Palin-Luk T.</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://avia.mstuca.ru/jour/article/view/319">https://avia.mstuca.ru/jour/article/view/319</self-uri><abstract><p>Выполнен комплекс испытаний и исследований поведения титанового сплава ВТ3-1 в области сверхмногоцикловой усталости. Образцы вырезаны из диска компрессора первой ступени двигателя Д30-КУ и испытаны при частоте нагружения 20 кГц на специальной установке в Парижском университете «ITMA». Показано, что в исследованной области зарождение трещин происходит под поверхностью от различных структурных неоднородностей материала. При симметричном нагружении формирование очага под поверхностью происходит с формированием мелкокристаллической структуры рельефа, а при растяжении первоначально формируется преимущественно гладкая фасетка раскалывания по a-фазе. Рассеивание экспериментальных данных при фиксированном уровне напряжений составляет почти три порядка.</p></abstract><trans-abstract xml:lang="en"><p>Investigations and tests of specimens of VT3-1 titanium alloy were done in Very-High-Cycle-Fatigue regime. Specimens were manufactured from compressor disks of D30-KU engine, and tests under frequency 20 kHz performed on the special test-bed in laboratory of Paris University «ITMA». Crack origination takes place subsurface from different material structural inhomogeneities. Fatigue origin has fine-granular area in the case of specimen tests under symmetrical cycle of cyclic loads but in the case of cyclic tension, origin has flat facet because of a-phase splitting. Experimental data dispersion under the constant stress level covered three orders.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>титановый сплав</kwd><kwd>сверхмногоцикловая усталость</kwd><kwd>зарождение трещин</kwd><kwd>усталостные кривые</kwd></kwd-group><kwd-group xml:lang="en"><kwd>titanium alloy</kwd><kwd>very-high-cycle-fatigue</kwd><kwd>crack origination</kwd><kwd>subsurface</kwd><kwd>SN-curves</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">Шанявский А.А. Безопасное усталостное разрушение элементов авиационных конструкций. 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