Paper Title:
Dynamic Deformation Behavior of Rubber (NR/NBR) under High Strain Rate Compressive Loading
  Abstract

This paper presents a modified Split Hopkinson Pressure Bar (SHPB) technique to obtain compressive stress-strain data for rubber materials. An experimental technique that modifies the conventional SHPB has been developed for measuring the dynamic compressive stress-strain responses of rubber materials with low mechanical impedance and low compressive strengths. This paper introduces an all-polymeric pressure bar set-up which 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 wave which helps the stress equilibrium and homogeneous deformation of rubber materials. It is found that the modified technique can determine the dynamic deformation behavior of NR and NBR rubber more accurately than those from the conventional SHPB technique.

  Info
Periodical
Key Engineering Materials (Volumes 297-300)
Edited by
Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
Pages
172-177
DOI
10.4028/www.scientific.net/KEM.297-300.172
Citation
O. S. Lee, J. W. Lee, S. H. Kim, "Dynamic Deformation Behavior of Rubber (NR/NBR) under High Strain Rate Compressive Loading ", Key Engineering Materials, Vols. 297-300, pp. 172-177, 2005
Online since
November 2005
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Price
$32.00
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