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<p>The paper deals with the obtained composite photoluminescent materials based on transparent epoxy resin and SrAl<sub>2</sub>O<sub>4</sub>:Eu,&#xa0;Dy powder. The thickness and elastic modulus are calculated for the interfacial layer between the particle and the filler. Recommendations are given to experimental stations at synchrotron radiation sources using X‑ray computed tomography during uniaxial tensile strength testing of the polymer composite. It is shown that changes in the specimen structure observed before its failure can be identified through increasing creep time and creep elongation.</p>

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Internal structure of particulate polymer composite and its behavior before failure

  • 期刊论文

  • 发表日期：

    2026年7月8日

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  • T. A. Brusentseva,
  • S. E. Lukin,
  • A. T. Iskova

摘要

The paper deals with the obtained composite photoluminescent materials based on transparent epoxy resin and SrAl2O4:Eu, Dy powder. The thickness and elastic modulus are calculated for the interfacial layer between the particle and the filler. Recommendations are given to experimental stations at synchrotron radiation sources using X‑ray computed tomography during uniaxial tensile strength testing of the polymer composite. It is shown that changes in the specimen structure observed before its failure can be identified through increasing creep time and creep elongation.