Paper Title:
Thickness Effect of Pulse Shaper on Dynamic Stress Equilibrium in the NBR Rubber Specimen
  Abstract

This paper presents an experimental finding in the Split Hopkinson Pressure Bar (SHPB) technique to obtain a better compressive stress strain data for rubber materials. An experimental technique which modifies 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 rubber. This paper uses an all-polymeric pressure bar to achieves 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 rubber materials. It is found that the modified technique can determine the dynamic deformation behavior of a rubber more accurately.

  Info
Periodical
Key Engineering Materials (Volumes 306-308)
Edited by
Ichsan Setya Putra and Djoko Suharto
Pages
1007-1012
DOI
10.4028/www.scientific.net/KEM.306-308.1007
Citation
O. S. Lee, S. H. Kim, J. W. Lee, "Thickness Effect of Pulse Shaper on Dynamic Stress Equilibrium in the NBR Rubber Specimen ", Key Engineering Materials, Vols. 306-308, pp. 1007-1012, 2006
Online since
March 2006
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Price
$32.00
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