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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">maplants</journal-id><journal-title-group><journal-title xml:lang="ru">Машины и установки: проектирование, разработка и эксплуатация</journal-title><trans-title-group xml:lang="en"><trans-title>Machines and Plants: Design and Exploiting</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2412-592X</issn><publisher><publisher-name>МОО "Стратегия объединения"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">maplants-26</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>МАШИНОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MACHINE SCIENCE</subject></subj-group></article-categories><title-group><article-title>Обоснование выбора параметров ультразвукового контроля углепластиков для обнаружения расслоений и ударных повреждений</article-title><trans-title-group xml:lang="en"><trans-title>Justification of Selecting Ultrasonic Testing Parameters for Bundle and Impact Damage Detection in Carbon-Fiber Constructions</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>Григорьев</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoriev</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><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>Прилуцкий</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Prilutskiy</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><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>Щипаков</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchipakov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">shchipak@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МГТУ им. Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bauman Moscow State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>17</day><month>06</month><year>2016</year></pub-date><volume>0</volume><issue>5</issue><fpage>58</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Григорьев М.В., Прилуцкий М.А., Щипаков Н.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Григорьев М.В., Прилуцкий М.А., Щипаков Н.А.</copyright-holder><copyright-holder xml:lang="en">Grigoriev M.V., Prilutskiy M.A., Shchipakov N.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.maplants-journal.ru/jour/article/view/26">https://www.maplants-journal.ru/jour/article/view/26</self-uri><abstract><p>Особенности технологии производства и эксплуатации углепластиков определяют характерные только им типы дефектов. Кроме того, структура материала углепластика и его свойства существенно отличаются от структуры и свойств металлических материалов. Поэтому, актуальной задачей является проведение исследований для обоснования выбора параметров ультразвукового контроля таких материалов. Авторами проведены экспериментальные исследования на образцах из углепластика с выполненными искусственными дефектами, имитирующими расслоения различного размера и ударные повреждения, и приведены конкретные рекомендации по контролю качества таких материалов, включая схемы и параметры контроля. DOI: 10.7463/aplts.0515.0813276</p></abstract><trans-abstract xml:lang="en"><p>Features of manufacturing process and use of carbon fibre-reinforced plastics (CFRP) define specific types of only their defects. Furthermore, the CFRP structure material and its properties considerably differ from those of the metal materials. Therefore, a relevant task is to conduct research to justify the selection of the ultrasonic testing parameters of these materials.</p><p>Optimal parameters and recommendations on quality control of such materials were grounded in the course of experimental studies on samples made from the UTR1000-12-400P carbon fabric, based on the T700GC-12K yarn and the T-31 epoxy binder, filled with artificial defects to imitate the bundles of different size and the impact damage.</p><p>It is shown that with increasing frequency of the ultrasonic oscillation propagating in the samples there is an increase both in damping and in SNR for artificial defects. In other words, on the one hand, the lower is the oscillation frequency, the less is a damping effect, but, on the other one, the higher is the frequency, the higher is the sensitivity control. It was found that the optimum frequencies for the ultrasonic test of CFRP are those in the vicinity of 5 MHz.</p><p>Furthermore, to detect the small-sized defects it is advised to use an ultrasonic beam focus, which can be achieved using phased arrays.</p><p>The most optimal method of ultrasonic testing to search for impact damage is a mirrorshadow method, which is based on the measurement of the amplitude of the bottom echo signal. It is shown that the amplitude of the bottom echo signal in defect-free zone is, in average, 14 dB higher than in the area with shock damage.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>расслоение</kwd><kwd>углепластик</kwd><kwd>ультразвуковой контроль</kwd><kwd>ударное повреждение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>carbon-fiber</kwd><kwd>ultrasonic testing</kwd><kwd>impact damage</kwd><kwd>bundle</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">Алешин Н.П., Григорьев М.В., Щипаков Н.А. Современное оборудование и технологии неразрушающего контроля ПКМ // Инженерный вестник. МГТУ им. Н.Э. Баумана. Электрон. журн. 2015. №1. С. 533-538. Режим доступа: http://engbul.bmstu.ru/doc/754392.html (дата обращения 28.05.2015).</mixed-citation><mixed-citation xml:lang="en">Aleshin N.P., Grigor'ev M.V., Shchipakov N.A. 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