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Technical Physics

, Volume 58, Issue 1, pp 88–93 | Cite as

Fracture of polystyrene- and molecular silica sol-based nanocomposites during fast compression

  • I. A. Aleksandrov
  • O. T. Gritsenko
  • N. S. Perov
  • E. V. Getmanova
  • E. S. Obolonkova
  • O. A. SerenkoEmail author
  • V. G. Shevchenko
  • A. I. Aleksandrov
  • A. M. Muzafarov
Material Science
  • 41 Downloads

Abstract

Polystyrene-based composites containing hybrid molecular silica sol nanoparticles with a core-shell structure are studied during fast compression. Polystyrene and the related composites are found to fail instantaneously at a certain critical pressure, which is accompanied by the emission of electromagnetic and acoustic waves. The composite composition changes the critical pressure during explosion and the frequency characteristics of the generated electromagnetic and acoustic waves. The charge density transfer mechanism in a composite with a filler concentration higher than 10 wt % is shown to differ from that in composites with a lower filler content.

Keywords

Acoustic Emission Critical Pressure Ultrahigh Pressure High Pressure Cell Lower Filler Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • I. A. Aleksandrov
    • 1
  • O. T. Gritsenko
    • 1
  • N. S. Perov
    • 1
  • E. V. Getmanova
    • 1
  • E. S. Obolonkova
    • 1
  • O. A. Serenko
    • 1
    Email author
  • V. G. Shevchenko
    • 1
  • A. I. Aleksandrov
    • 1
  • A. M. Muzafarov
    • 1
  1. 1.Institute of Synthetic Polymeric MaterialsRussian Academy of SciencesMoscowRussia

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