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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">10.26896/1028-6861-2026-92-5-70-77</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-2832</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>Экспериментальное исследование материала Plexiglas GS 0Z00 с учетом климатического старения</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of Plexiglas GS 0Z00 material taking into account climatic aging</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>Шашкин</surname><given-names>И. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Shashkin</surname><given-names>I. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Дмитриевич Шашкин</p><p>199034, г. Санкт-Петербург, Университетская наб., д. 7-9</p></bio><bio xml:lang="en"><p>Ilia D. Shashkin</p><p>7-9, Universitetskaya nab., St. Petersburg, 199034</p></bio><email xlink:type="simple">st086920@student.spbu.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>Гасратова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gasratova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Александровна Гасратова</p><p>199034, г. Санкт-Петербург, Университетская наб., д. 7-9</p></bio><bio xml:lang="en"><p>Natalya A. Gasratova</p><p>7-9, Universitetskaya nab., St. Petersburg, 199034</p></bio><email xlink:type="simple">n.gasratova@spbu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>27</day><month>05</month><year>2026</year></pub-date><volume>92</volume><issue>5</issue><fpage>70</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шашкин И.Д., Гасратова Н.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Шашкин И.Д., Гасратова Н.А.</copyright-holder><copyright-holder xml:lang="en">Shashkin I.D., Gasratova 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.zldm.ru/jour/article/view/2832">https://www.zldm.ru/jour/article/view/2832</self-uri><abstract><p>Цель работы — исследование физико-механических свойств полиметилметакрилата (ПММА) марки Plexiglas GS 0Z00 ввиду отсутствия для него зависимостей (кривых) напряжения от деформации в открытых базах данных, например CAMPUS или MATDAT. Эти кривые необходимы для более точного расчета напряженно-деформируемого состояния тела. В целях определения эксплуатационных характеристик материала образцы были подвергнуты также климатическому воздействию. Представлены результаты экспериментального исследования физико-механических свойств материала до и после климатического воздействия. Рассмотрены различные модели, которые определяют зависимость между напряжениями и деформациями (модель Менгеса, модель на базе логистической функции) при температурах ниже температуры стеклования. Получены численные значения параметров моделей в соответствии с экспериментальными данными. Для сравнения приведены результаты испытаний образцов на растяжение – сжатие при постоянной скорости деформирования от 1 до 10 мм/мин (от = 3,3 %/мин до 33,33 %/мин), а также данные, полученные при таких же условиях, но после экспозиции образцов на открытом воздухе в течение шести месяцев. Кроме того, определены физико-механические характеристики материала при различных температурах окружающей среды. Построены кривые в координатах напряжение – деформация материала при комнатной температуре для дальнейшего применения при моделировании напряженно-деформированного состояния тел. Отмечено, что при деформировании не более 4 % хорошо себя зарекомендовали модель Менгеса и модель на основе логистической функции. Представлены параметры обеих функций для выбранного материала. Исследуемый ПММА имеет тенденции к охрупчиванию после климатического старения. Его физико-механические характеристики зависят от температуры окружающей среды и от скорости приложенной нагрузки.</p></abstract><trans-abstract xml:lang="en"><p>The aim of this study is to investigate the physical and mechanical properties of polymethyl methacrylate (PMMA) brand Plexiglas GS 0Z00 due to the absence of stress-strain curves in open databases, such as CAMPUS or MATDAT. In addition, the mantioned databases contain curves only for tension. Stress-strain curves are necessary for more accurate calculation of the stress-strain state of the body. To determine the performance characteristics of the material, the samples were exposed to climatic action. The results of the experimental study of the physical and mechanical properties of the material before/ after climatic action are presented. Various models that determine the relationship between stresses and strains (the Menges model, the model based on the logistic function) at temperatures below the glass transition temperature are considered. Numerical values of the model parameters are obtained in accordance with the experimental data. The results of tensile-compressive tests at a constant strain rate from 1 to 10 mm/min (from = 3.3 %/min to 33.33 %/min) are compared with the results of tensile-compressive tests of the material at the same rates and room temperature, but after exposing the samples to open air for six months. In addition, the physical and mechanical properties of the material for different ambient temperatures are determined. Stress-strain curves of the material at room temperature are constructed for further use in modeling the stress-strain state of bodies. It is noted that at a deformation of no more than 4%, the Menges model and the model based on the logistic function have proven themselves well. The parameters of both functions for the selected material are presented in the paper. The material has a tendency to embrittlement after climatic aging. The physical and mechanical properties of the material depend on the ambient temperature and the rate of the applied load.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиметилметакрилат</kwd><kwd>ПММА</kwd><kwd>деформация с постоянной скоростью</kwd><kwd>кривые напряжения-деформации</kwd><kwd>модели материала</kwd><kwd>климатическое старение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polymethylmethacrylate</kwd><kwd>PMMA</kwd><kwd>constant rate deformation</kwd><kwd>stress-strain curves</kwd><kwd>material models</kwd><kwd>climatic aging</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">Stachiw J. D. Handbook of Acrylics for Submersibles Hyperbaric Chambers and Aquaria. — Flagstaff (AZ): Best Publishing Company (BPC), 2003. — 1080 p.</mixed-citation><mixed-citation xml:lang="en">Stachiw J. D. 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