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On the dynamic behavior of three readily available soft tissue simulants

By G. J. Appleby-Thomas, P. J. Hazell, J. M. Wilgeroth, C. J. Shepherd, D. C. Wood and A. Roberts

Abstract

Plate-impact experiments have been employed to investigate the dynamic response of three readily available tissue simulants for ballistic purposes: gelatin, ballistic soap (both subdermal tissue simulants), and lard (adipose layers). All three materials exhibited linear Hugoniot equations-of-state in the US-uP plane. While gelatin behaved hydrodynamically under shock, soap and lard appeared to strengthen under increased loading. Interestingly, the simulants under test appeared to strengthen in a material-independent manner on shock arrival (tentatively attributed to a rearrangement of the amorphous molecular chains under loading). However, material-specific behavior was apparent behind the shock. This behavior appeared to correlate with microstructural complexity, suggesting a steric hindrance effect

Topics: shock, hugoniot, biological simulants, models, wound ballistics
Publisher: American Institute of Physics
Year: 2011
DOI identifier: 10.1063/1.3573632
OAI identifier: oai:dspace.lib.cranfield.ac.uk:1826/5488
Provided by: Cranfield CERES
Journal:

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