Structural Changes and Electrodynamic Effects in Polymers under Fast Uniaxial Compression

Aleksey. I. Aleksandrov; Ivan A. Aleksandrov; Vitaliy G. Shevchenko; Aleksandr N. Ozerin

doi:10.1007/s10118-021-2511-5

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Structural Changes and Electrodynamic Effects in Polymers under Fast Uniaxial Compression

ARTICLE | Updated：2020-10-13

- Structural Changes and Electrodynamic Effects in Polymers under Fast Uniaxial Compression
- Structural Changes and Electrodynamic Effects in Polymers under Fast Uniaxial Compression
- Chinese Journal of Polymer Science 2021年39卷第5期页码：601-609
- Affiliations：
  
  N.S.Enikolopov Institute of Synthetic Polymeric Materials RAS 117393 Moscow, Profsoyuznaya, 70 Russian Federation
- Author bio：
  
  shev@ispm.ru
- Funds：
  
  This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation.
- DOI：10.1007/s10118-021-2511-5
  中图分类号：
- 收稿：2020-08-01，
  
  修回：2020-9-1，
  
  录用：2020-9-21，
  
  网络首发：2020-10-13，
  
  纸质出版：2021-01-01
- Accepted：
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Aleksandrov, A. I.; Aleksandrov, I. A.; Shevchenko, V. G.; Ozerin, A. N. Structural changes and electrodynamic effects in polymers under fast uniaxial compression. Chinese J. Polym. Sci. 2021, 39, 601–609

Aleksey. I. Aleksandrov, Ivan A. Aleksandrov, Vitaliy G. Shevchenko, et al. Structural Changes and Electrodynamic Effects in Polymers under Fast Uniaxial Compression[J]. Chinese Journal of Polymer Science, 2021, 39(5): 601-609.
Aleksandrov, A. I.; Aleksandrov, I. A.; Shevchenko, V. G.; Ozerin, A. N. Structural changes and electrodynamic effects in polymers under fast uniaxial compression. Chinese J. Polym. Sci. 2021, 39, 601–609 DOI： 10.1007/s10118-021-2511-5.

Aleksey. I. Aleksandrov, Ivan A. Aleksandrov, Vitaliy G. Shevchenko, et al. Structural Changes and Electrodynamic Effects in Polymers under Fast Uniaxial Compression[J]. Chinese Journal of Polymer Science, 2021, 39(5): 601-609. DOI： 10.1007/s10118-021-2511-5.

摘要

Abstract

Rheological explosion in polymers under uniaxial compression in an open volume occurs at the end of continuous rapid plastic deformation after several stages of creep. Two types of polymers were chosen for this study: brittle glassy amorphous polystyrene and thermoplastic semi-crystalline polypropylene. Electric pulses were detected during explosion

and their spectra were analyzed with two models. X-ray diffraction methods were used to investigate changes in the structure and morphology of polymers during deformation and rheological explosion. The pores appear in polymer in this process

and their shape and size distribution were derived from X-ray experiments. The main reason for the formation of pores in polymer samples in rheological explosion experiments is the intense microshifts in the polymer volume under the action of high applied pressure.

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references

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