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Materials 2018, 11(12), 2472; https://doi.org/10.3390/ma11122472

Low-Velocity Impact Behavior of Interlayer/Intralayer Hybrid Composites Based on Carbon and Glass Non-Crimp Fabric

1
,
1
,
1
and
1,2,3,*
1
College of Textiles, Donghua University, NO.2999, Northern Renmin Road, Shanghai 201620, China
2
Key Lab of Textile Science & Technology, Ministry of Education, NO.2999, Northern Renmin Road, Shanghai 201620, China
3
Center for Civil Aviation Composites, NO.2999, Northern Renmin Road, Shanghai 201620, China
*
Author to whom correspondence should be addressed.
Received: 21 November 2018 / Revised: 2 December 2018 / Accepted: 4 December 2018 / Published: 5 December 2018
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Abstract

Composites have gained wide use in structural applications; however, they are sensitive to impact damage. The use of hybrid composites is an effective way to overcome this deficiency. The effects of various hybrid structures of interlayer and intralayer warp-knitted fabrics with carbon and glass fibers on the low-velocity impact behavior of composite laminates were studied. Drop-weight impact tests were conducted on two types of interlayer, sandwich and intralayer hybrid composite laminates, which were compared with homogenous composite laminates. During low-velocity impact tests, the time histories of impact forces and absorbed energy by laminate were recorded. The failure modes were analyzed using the micro-CT (computed tomography) and C-scan techniques. The results revealed that the hybrid structure played an important role in peak force and the absorbed energy, and that the hybrid interface had an influence on damage modes, whereas the intralayer hybrid composite laminate damage was affected by the impact location. The intralayer hybrid laminate with C:G = 1:1 exhibited better impact resistance compared to the other hybrid structures. View Full-Text
Keywords: carbon/glass hybrid composites; interlayer hybrid; intralayer hybrid; low-velocity impact behavior; impact damage carbon/glass hybrid composites; interlayer hybrid; intralayer hybrid; low-velocity impact behavior; impact damage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhang, C.; Rao, Y.; Li, Z.; Li, W. Low-Velocity Impact Behavior of Interlayer/Intralayer Hybrid Composites Based on Carbon and Glass Non-Crimp Fabric. Materials 2018, 11, 2472.

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