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Study of viscoelastic properties of frost-resistant rubbers

https://doi.org/10.26896/1028-6861-2025-91-10-88-92

Abstract

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.

About the Authors

K. S. Kravchuk
NRC «Kurchatov Institute» — TISNCM; Ishlinsky Institute for Problems in Mechanics, RAS; Advanced Scientific Devices, LLC
Russian Federation

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.



G. Kh. Sultanova
NRC «Kurchatov Institute» — TISNCM; Ishlinsky Institute for Problems in Mechanics, RAS; Moscow Institute of Physics and Technology (National Research University)
Russian Federation

Gulnaz Kh. Sultanova.

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

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

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



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Review

For citations:


Kravchuk K.S., Sultanova G.Kh. Study of viscoelastic properties of frost-resistant rubbers. Industrial laboratory. Diagnostics of materials. 2025;91(10):88-92. (In Russ.) https://doi.org/10.26896/1028-6861-2025-91-10-88-92

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ISSN 1028-6861 (Print)
ISSN 2588-0187 (Online)