Paper Title:
Dynamic Deformation Behavior of Soft Materials at the Low Temperature Using SHPB Technique and Pulse Shaper
  Abstract

This paper presents a modified Split Hopkinson Pressure Bar(SHPB) technique to obtain compressive stress-strain data for a rubber material. An experimental technique with a modified the conventional SHPB has been developed for measuring the compressive stress strain responses of materials with low mechanical impedance and low compressive strengths such as a rubber. This paper uses an aluminum pressure bar to achieve a closer impedance match between the pressure bar and the specimen materials. In addition, a pulse shaper is utilized to lengthen the rising time of the incident pulse to ensure stress equilibrium and homogeneous deformation of a rubber. It is found that the modified technique can determine the dynamic deformation behavior of rubbers under various conditions such as high strain rate and low temperature effects.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
1577-1580
DOI
10.4028/www.scientific.net/KEM.326-328.1577
Citation
O. S. Lee, S. H. Kim, Y. H. Han, "Dynamic Deformation Behavior of Soft Materials at the Low Temperature Using SHPB Technique and Pulse Shaper", Key Engineering Materials, Vols. 326-328, pp. 1577-1580, 2006
Online since
December 2006
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Price
$32.00
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