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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2022-67-1-17-26</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-717</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, МЕТАЛЛУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS SCIENCES AND ENGINEERING, METALLURGY</subject></subj-group></article-categories><title-group><article-title>Влияние толщины отверждаемого слоя фотополимерной смолы при SLA-технологии печати на упругие и прочностные характеристики полимерных изделий аддитивного производства</article-title><trans-title-group xml:lang="en"><trans-title>Influence of the thickness of the cured layer of photopolymer resin during SLA-printing technology on the elastic and strength characteristics of polymeric products of additive production</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0557-7207</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Протасеня</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pratasenia</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Протасеня Татьяна Анатольевна – кандидат технических наук, старший научный сотрудник, лаборатория контактно-динамических методов контроля</p><p>ул. Академическая, 16, 220072, Минск</p></bio><bio xml:lang="en"><p>Tatsiana A. Pratasenia – Ph. D. (Engineering), Senior Researcher, Mechanical Testing Laboratory</p><p>16, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">5657397@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9658-1003</contrib-id><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>А. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крень Александр Петрович – доктор технических наук, доцент, заведующий лабораторией контактно-динамических методов контроля</p><p>ул. Академическая, 16, 220072, Минск</p></bio><bio xml:lang="en"><p>Alexander P. Kren – D. Sc. (Engineering), Associate Professor, Head of the Mechanical Testing Laboratory</p><p>16, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">alekspk@mail.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>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>Мацулевич Олег Владимирович – кандидат технических наук, ведущий научный сотрудник, лаборатория контактно-динамических методов контроля</p><p>ул. Академическая, 16, 220072, Минск</p></bio><bio xml:lang="en"><p>Oleg V. Matsulevich – Ph. D. (Engineering), Leading Researcher, Mechanical Testing Laboratory</p><p>16, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">matsulevich.o.v@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт прикладной физики Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Applied Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>06</day><month>04</month><year>2022</year></pub-date><volume>67</volume><issue>1</issue><fpage>17</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Протасеня Т.А., Крень А.П., Мацулевич О.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Протасеня Т.А., Крень А.П., Мацулевич О.В.</copyright-holder><copyright-holder xml:lang="en">Pratasenia T.A., Kren А.P., Matsulevich O.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://vestift.belnauka.by/jour/article/view/717">https://vestift.belnauka.by/jour/article/view/717</self-uri><abstract><p>Рассмотрена возможность контроля методом динамического индентирования упругих и прочностных свойств полимерных изделий, полученных путем аддитивного синтеза по SLA-технологии. Выполнена оценка чувствительности метода к изменению твердости, предела прочности и модуля упругости изделий, выращенных по различным режимам печати с толщиной отверждаемого слоя фотополимерной смолы в 100, 50 и 25 мкм. Проведено сравнение двух основных методик расчета физико-механических характеристик материала по данным диаграммы его ударного нагружения: адаптированной классической методики механики контактного взаимодействия, рассматривающей геометрические параметры деформированной области материала, и методики на основе энергетических характеристик ударного взаимодействия. Установлено, что наибольшая чувствительность метода динамического индентирования к изменению свойств аддитивного полимера в зависимости от толщины его отверждаемого слоя обеспечивается при использовании энергетической расчетной модели оценки свойств материала. Полученные результаты – основа методик неразрушающего контроля полимерных изделий аддитивного производства методом динамического индентирования. Реализация данных методик в портативной измерительной технике является альтернативой стандартным разрушающим испытаниям и позволит получить достоверные данные о свойствах контролируемого материала без необходимости изготовления специальных образцов-свидетелей.</p></abstract><trans-abstract xml:lang="en"><p>The possibility of using dynamic indentation method for measurement the elastic and strength properties of polymer products obtained by additive synthesis using the SLA-technology is considered. The sensitivity of the method to changes in hardness, tensile strength, and elastic modulus of products obtained by different printing modes with a thickness of the cured layer of photopolymer resin of 100, 50, and 25 microns has been estimated. A comparison is made of two main methods for calculating the physical and mechanical characteristics of a material according to the data of its impact loading diagram: an adapted classical method of mechanics of contact interaction, considering the geometric parameters of the deformed region of the material, and a method based on the energy characteristics of shock interaction. It was found that the highest sensitivity of the dynamic indentation method to changes in the properties of the additive polymer, depending on the thickness of its hardened layer, is provided when using an energy computational model for evaluating the properties of the material. The results obtained are the basis for the methods of non-destructive testing of polymer products of additive manufacturing by the method of dynamic indentation. The implementation of these techniques in portable measuring equipment is an alternative to standard destructive tests and will allow obtaining reliable data on the properties of the controlled material without the need to manufacture special witness samples.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>твердость</kwd><kwd>модуль упругости</kwd><kwd>прочность</kwd><kwd>SLA-технология</kwd><kwd>индентирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hardness</kwd><kwd>elastic modulus</kwd><kwd>strength</kwd><kwd>SLA-technology</kwd><kwd>indentation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках Национальной программы стипендий для молодых ученых при финансовой поддержке Всемирной федерации ученых по теме «Оценка физико-механических характеристик композиционных (полимерных и углерод-углеродных) материалов методами инструментального индентирования».</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the National Scholarship Program for Young Scientists with the financial support of the World Federation of Scientists on the topic “Evaluation of the physical and mechanical characteristics of composite (polymer and carbon-carbon) materials using instrumental indentation methods”.</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">Ляпков, А.А. 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