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Effect of Laminate Geometry on Impact Performance of Aramid Fiber/Polyethylene Fiber Hybrid Composites

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Authors
Park, Rohchoon; Jang, Jyongsik
Issue Date
2000
Publisher
Wiley-Blackwell
Citation
Journal of Applied Polymer Science 2000, 75, 952–959
Keywords
laminate geometryimpact performanceinterply and intraply hybriddelamination areaCTBN modified matrix
Abstract
One-layer and two-layer hybrid composites were fabricated using open
leaky mold method in order to examine the effect of structural geometry on impact
performance of aramid fiber/polyethylene (PE) fiber hybrid composites. The impact
property of interply hybrid composites was compared with that of intraply hybrid
composites with respect to impact mechanism and deformation extent. In addition, the
delamination area of two hybrid composites was considered for correlation with impact
properties. In one-layer composites, two intraply hybrids exhibited the different characteristics
in impact mechanism and deformation shape. The laminate T absorbed most
of impact energy through large deformation of PE fibers with an elliptical damage
shape. On the other hand, the laminate R showed the higher impact energy because
both aramid and PE fibers contributed to the absorption of impact energy with a round
damage zone. In case of two-layer composites, interply hybrid composites exhibited
higher impact energy than intraply hybrid composites. The interply hybrids absorbed
the impact energy through deformation process such as fiber pullout and delamination,
and impact energy was well correlated to delamination area. The impact energy of
intraply hybrid composites was primarily dominated by full exertion of deformation in
PE fiber rather than delamination process.
ISSN
0021-8995
Language
English
URI
http://hdl.handle.net/10371/61965
DOI
https://doi.org/10.1002/(SICI)1097-4628(20000214)75:7<952::AID-APP12>3.0.CO;2-V
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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