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Bielawsk, Christopher W
다차원 탄소재료 연구단
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Impact response of aramid fabric-reinforced polybenzoxazine/urethane composites containing multiwalled carbon nanotubes used as support panel in hard armor

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Title
Impact response of aramid fabric-reinforced polybenzoxazine/urethane composites containing multiwalled carbon nanotubes used as support panel in hard armor
Author(s)
Mora, Phattarin; Jubsilp, Chanchira; Christopher W. Bielawski; Rimdusit, Sarawut
Publication Date
2021-08
Journal
Polymers, v.13, no.16
Publisher
MDPI AG
Abstract
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.The aim of this research project is to analyze support panels that are based on aramid fabrics which are reinforced with polybenzoxazine/urethane (poly(BA-a/PU)) composites and contain multiwalled carbon nanotubes (MWCNTs). Through the measurement of mechanical properties and a series of ballistic-impact tests that used 7.62 × 51 mm2 projectiles (National Institute of Justice (NIJ), level III), the incorporated MWCNTs were found to enhance the energy-absorption (EAbs) property of the composites, improve ballistic performance, and reduce damage. The perforation process and the ballistic limit (V50) of the composite were also studied via numerical simulation, and the calculated damage patterns were correlated with the experimental results. The result indicated hard armor based on polybenzoxazine nanocomposites could completely protect the perforation of a 7.62 × 51 mm2 projectile at impact velocity range of 847 ± 9.1 m/s. The results revealed the potential for using the poly(BA-a/PU) nanocomposites as energy-absorption panels for hard armor.
URI
https://pr.ibs.re.kr/handle/8788114/10213
DOI
10.3390/polym13162779
ISSN
2073-4360
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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