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 language | English |
|---|---|
| Pages (from-to) | 304-313 |
| Number of pages | 10 |
| Journal | Materials Science and Engineering: A |
| Volume | 494 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - 25 Oct 2008 |
Keywords
- Constitutive model
- PC/ABS alloy
- Polymer
- SHPB
- Stain rate
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