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Effect of Gamma Irradiation on IR Spectra and Mechanical Properties of Composites Based on Epoxy Resin and Silicon Oxide Nanoparticles
Abstract
Composites based on epoxy resin modified with silicon oxide nanoparticles were studied by spectral and physical-mechanical methods. The effect of the percentage of filler and the dose of Ɣ-radiation on the strength characteristics of composites was analyzed. The best mode of composites solidification is established, and optimal physical and mechanical characteristics are achieved at filler content of 1% and radiation dose of 50 kGy. Basic spectral criteria have been established to characterize the change in the physical and chemical structure of the composite under the influence of Ɣ-radiation. It has been shown that the appearance of bands in the IR spectra in 1710–1740 cm–1 range and the increase in their intensity with increasing radiation dose can serve as a spectral criterion for enhancing destructive processes in the polymer matrix.
About the Authors
Е. Yu. Bobkova
Research Institution “Institute of Applied Physics Problems named after A. N. Sevchenko” of Belarusian State University
Belarus
Belarus
Minsk
V. S. Vasil’eva
Research Institution “Institute of Applied Physics Problems named after A. N. Sevchenko” of Belarusian State University
Belarus
Belarus
Minsk
O. O. Gavrilenko
Research Institution “Institute of Applied Physics Problems named after A. N. Sevchenko” of Belarusian State University
Belarus
Belarus
Minsk
M. A. Ksenofontov
Research Institution “Institute of Applied Physics Problems named after A. N. Sevchenko” of Belarusian State University
Belarus
Belarus
Minsk
I. A. Salnikava
Joint Institute for Power and Nuclear Research – Sosny, National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
E. I. Pavalanski
Joint Institute for Power and Nuclear Research – Sosny, National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
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Review
For citations:
Bobkova Е.Yu., Vasil’eva V.S., Gavrilenko O.O., Ksenofontov M.A., Salnikava I.A., Pavalanski E.I. Effect of Gamma Irradiation on IR Spectra and Mechanical Properties of Composites Based on Epoxy Resin and Silicon Oxide Nanoparticles. Zhurnal Prikladnoii Spektroskopii. 2026;93(4):531-536. (In Russ.)
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