A Method Of Incident Pulse Shaping For SHPB
Author(s)
G. Chen, Q. P. Zhang & X. C. Huang
Abstract
The split Hopkinson pressure bar (SHPB) testing method has been widely used
to obtain dynamic compression properties of solid materials. In the experiment,
the state of dynamic stress equilibrium and deforming at a nearly constant strain
rate over most of the test duration should be achieved. Therefore, pulse shaping
techniques are usually needed. A new method for SHPB incident pulse
shaping is proposed in this paper. The material vacuum cement of which the
strength can be ignored is used as the pulse shaper. The experimental results
show that a satisfactory shaping effect can be obtained in a wide application
scope with this method. The numerical simulation analysis indicates that the
shaping function of vacuum cement is mainly due to the radial inertial effect in
the high speed deformation process of the material.
Keywords: SHPB pulse shaper vacuum cement, granite.
Keywords
SHPB pulse shaper vacuum cement, granite.
Related Book
Other papers in this volume
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