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J. Compos. Sci. 2018, 2(3), 44;

Human Skin-Like Composite Materials for Blast Induced Injury Mitigation

Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15213, USA
Department of Aerospace Engineering and Mechanics, University of Alabama, Tuscaloosa, AL 35401, USA
Department of Chemical Engineering, Mississippi State University, Starkville, MS 39759, USA
Author to whom correspondence should be addressed.
Received: 8 June 2018 / Revised: 18 July 2018 / Accepted: 24 July 2018 / Published: 1 August 2018
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Armors and military grade personal protection equipment (PPE) materials to date are bulky and are not designed to effectively mitigate blast impacts. In the current work, a human skin-like castable simulant material was developed and its blast mitigation characteristics (in terms of induced stress reduction at the bone and muscles) were characterized in the presence of composite reinforcements. The reinforcement employed was Kevlar 129 (commonly used in advanced combat helmets), which was embedded within the novel skin simulant material as the matrix and used to cover a representative extremity based human skin, muscle and bone section finite element (FE) model. The composite variations tested were continuous and short-fiber types, lay-ups (0/0, 90/0, and 45/45 orientations) and different fiber volume fractions. From the analyses, the 0/0 continuous fiber lay-up with a fiber volume fraction close to 0.1 (or 10%) was found to reduce the blast-induced dynamic stresses at the bone and muscle sections by 78% and 70% respectively. These findings indicate that this novel skin simulant material with Kevlar 129 reinforcement, with further experimental testing, may present future opportunities in blast resistant armor padding designing. View Full-Text
Keywords: blast; composite; skin; traumatic brain injury (TBI); finite element blast; composite; skin; traumatic brain injury (TBI); finite element

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Chanda, A.; Graeter, R. Human Skin-Like Composite Materials for Blast Induced Injury Mitigation. J. Compos. Sci. 2018, 2, 44.

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J. Compos. Sci. EISSN 2504-477X Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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