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Deformation of PC/ABS alloys at elevated temperatures and high strain rates

  • Xi'an Jiaotong University

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

The objective of this paper is to experimentally study the deformation behavior of the alloys of polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) at elevated temperatures and high strain rates. Four kinds of PC/ABS alloys with the ratio of PC to ABS being 80:20, 60:40, 50:50 and 40:60 and three different strain rates 8.0 × 102 s-1, 2.7 × 103 s-1 and 1.0 × 104 s-1 are considered. The Split Hopkinson Pressure Bar (SHPB) experiments are carried out at 293 K and 343 K, respectively. The curves of engineering stress and engineering strain and true stress and true strain are obtained for the PC/ABS alloys at different temperatures and different strain rates, respectively. The effects of temperature, strain rate and the fraction of ABS on the deformation behavior of PC/ABS alloys are discussed in details, and then a temperature and strain rate-dependent phenomenological constitutive model for PC/ABS alloys is developed.

Original languageEnglish
Pages (from-to)304-313
Number of pages10
JournalMaterials Science and Engineering: A
Volume494
Issue number1-2
DOIs
StatePublished - 25 Oct 2008

Keywords

  • Constitutive model
  • PC/ABS alloy
  • Polymer
  • SHPB
  • Stain rate

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