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Quasi-Static Compression and Low-Velocity Impact Behavior of Tri-Axial Bio-Composite Structural Panels Using a Spherical Head

1
USDA Forest Service, Forest Products Laboratory, Madison, WI 53726, USA
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Department of Biomedical Engineering, Wisconsin Institutes for Discovery, and Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53715, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Daolun Chen
Materials 2017, 10(2), 185; https://doi.org/10.3390/ma10020185
Received: 10 November 2016 / Revised: 20 January 2017 / Accepted: 10 February 2017 / Published: 15 February 2017
This paper presents experimental results of both quasi-static compression and low-velocity impact behavior for tri-axial bio-composite structural panels using a spherical load head. Panels were made having different core and face configurations. The results showed that panels made having either carbon fiber fabric composite faces or a foam-filled core had significantly improved impact and compressive performance over panels without either. Different localized impact responses were observed based on the location of the compression or impact relative to the tri-axial structural core; the core with a smaller structural element had better impact performance. Furthermore, during the early contact phase for both quasi-static compression and low-velocity impact tests, the panels with the same configuration had similar load-displacement responses. The experimental results show basic compression data could be used for the future design and optimization of tri-axial bio-composite structural panels for potential impact applications. View Full-Text
Keywords: low-velocity impact; quasi-static compression; bio-composite laminate material; energy absorption; carbon fiber fabric faces; foam core; isogrid core low-velocity impact; quasi-static compression; bio-composite laminate material; energy absorption; carbon fiber fabric faces; foam core; isogrid core
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MDPI and ACS Style

Li, J.; Hunt, J.F.; Gong, S.; Cai, Z. Quasi-Static Compression and Low-Velocity Impact Behavior of Tri-Axial Bio-Composite Structural Panels Using a Spherical Head. Materials 2017, 10, 185.

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