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Proceedings Paper

Passive confining pressure SHPB test method for materials under quasi-one-dimensional strain state
Author(s): Shaochiu Shih; Lili Wang
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Paper Abstract

An improved quasi-1D strain SHPB method was used to study the dynamic mechanical behavior of materials under passive confining pressure state. The effects of mechanical behavior of the confining jacket material and its geometrical sizes on the experimental results are discussed. Thus the dynamical Poisson's ratio s dynamical Young's modulus Es and dynamical compressive yield strength Y of the material at high strain rate can be obtained. The frictional force between the specimen and jacket and its effects on the axial stress-strain relationship under passive confining pressure are further analyzed. The correction to the elastic constants of the material was given.

Paper Details

Date Published: 29 May 2002
PDF: 4 pages
Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); doi: 10.1117/12.468768
Show Author Affiliations
Shaochiu Shih, Ningbo Univ. (China)
Lili Wang, Ningbo Univ. (China)


Published in SPIE Proceedings Vol. 4537:
Third International Conference on Experimental Mechanics

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