zldmЗаводская лаборатория. Диагностика материаловIndustrial laboratory. Diagnostics of materials1028-68612588-0187ООО «Издательство «ТЕСТ-ЗЛ»10.26896/1028-6861-2025-91-10-88-92zldm-2629Research ArticleИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ. МЕХАНИКА МАТЕРИАЛОВ: ПРОЧНОСТЬ, РЕСУРС, БЕЗОПАСНОСТЬTESTING OF STRUCTURE AND PARAMETERS. MECHANICAL TESTING METHODSИсследование вязкоупругих свойств морозостойких резинStudy of viscoelastic properties of frost-resistant rubbersКравчукК. С.KravchukK. S.

Константин Сергеевич Кравчук.

108840, Москва, Троицк, Центральная ул., д. 7А;

119526, Москва, просп. Вернадского, д. 101, корп. 1;

108840, Москва, Троицк, Калужское ш., д. 4/1, стр. 6.

Konstantin S. Kravchuk.

7A, Tsentralnaya ul., Troitsk, Moscow, 108840;

101, korp. 1, prosp. Vernadskogo, Moscow, 119526;

4/1, str. 6, Kaluzhskoe sh., Troitsk, Moscow, 108840.

kskrav@gmail.comСултановаГ. Х.SultanovaG. Kh.

Гульназ Хакимовна Султанова.

108840, Москва, Троицк, Центральная ул., д. 7А;

119526, Москва, просп. Вернадского, д. 101, корп. 1;

141701, Московская обл., г. Долгопрудный, Институтский пер., д. 9.

Gulnaz Kh. Sultanova.

7A, Tsentralnaya ul., Troitsk, Moscow, 108840;

101, korp. 1, prosp. Vernadskogo, Moscow, 119526;

9, Institutsky per., Dolgoprudny, Moscow obl., 141701.

НИЦ «Курчатовский институт» — ТИСНУМ; Институт проблем механики им. А. Ю. Ишлинского РАН; ООО «Научспецприбор»РоссияNRC «Kurchatov Institute» — TISNCM; Ishlinsky Institute for Problems in Mechanics, RAS; Advanced Scientific Devices, LLCRussian FederationНИЦ «Курчатовский институт» — ТИСНУМ; Институт проблем механики им. А. Ю. Ишлинского РАН; МФТИ (национальный исследовательский университет)РоссияNRC «Kurchatov Institute» — TISNCM; Ishlinsky Institute for Problems in Mechanics, RAS; Moscow Institute of Physics and Technology (National Research University)Russian Federation20252610202591108892Copyright © Кравчук К.С., Султанова Г.Х., 20252025Кравчук К.С., Султанова Г.Х.Kravchuk K.S., Sultanova G.K.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.zldm.ru/jour/article/view/2629

Стандартный метод динамического механического анализа для определения вязкоупругих свойств высокоэластичных материалов предполагает испытание объемных образцов определенной формы и размеров. В работе представлены результаты исследования вязкоупругих свойств резин на основе бутадиен-нитрильного каучука методом динамического механического анализа (наноДМА). Использовали новую экспериментальную установку для нанодинамических испытаний морозостойких резин в диапазоне от –60 до 60 °C. Применяемая методика включала исследование образцов в локальной приповерхностной области. Для испытаний методом наноДМА в программном обеспечении индентирующего модуля задавали требуемые параметры: нагрузку, частоту и амплитуду колебаний индентора, длительность испытаний. Допускалась установка индентора различной геометрии и материала. Установлено, что при низких температурах, близких к температуре стеклования, происходит резкое изменение свойств резин. Температурные зависимости модуля упругости на частотах 0,1, 0,2, 0,5, 1, 6 и 30 Гц показали значительное изменение свойств образцов при температурах около –40 °C. Предложенные экспериментальная установка и методика могут быть использованы при контроле качества изделий, например в форме колец, предназначенных для трибологических испытаний.

The standard method of dynamic mechanical analysis used for determining the viscoelastic properties of highly elastic materials. The method involves testing bulk samples of a certain shape and size. We present the results of a study of the viscoelastic properties of nitrile butadiene rubbers using the dynamic mechanical analysis (nanoDMA) method. A new experimental installation for nanodynamic testing of frost-resistant rubbers in the temperature range from –60 to 60°C was used. The applied technique included studying samples in a local near-surface region. For testing by the nanoDMA method, the required parameters were set in the software of the indenting module: load, frequency and amplitude of indenter oscillations, test duration. The module allows to install an indenter of different geometry and material. It was found that at low temperatures close to the glass transition temperature, a sharp change in the properties of rubbers occurs. Temperature dependences of the elastic modulus at frequencies of 0.1, 0.2, 0.5, 1, 6, and 30 Hz showed a significant change in the properties of samples at temperatures of about –40°C. The proposed experimental installation can be used for quality control of products, for example, in the form of rings intended for tribological testing.

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The authors declare that there are no conflicts of interest present.