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Kim, Byeong-Su
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Highly tunable interfacial adhesion of glass fiber by hybrid multilayers of graphene oxide and aramid nanofiber

Author(s)
Park, ByeonghoLee, WonohLee, EunheeMin, Sa HoonKim, Byeong-Su
Issued Date
2015-02
DOI
10.1021/am5082364
URI
https://scholarworks.unist.ac.kr/handle/201301/10847
Fulltext
http://pubs.acs.org/doi/abs/10.1021/am5082364
Citation
ACS APPLIED MATERIALS & INTERFACES, v.7, no.5, pp.3329 - 3334
Abstract
The performance of fiber-reinforced composites is governed not only by the nature of each individual component comprising the composite but also by the interfacial properties between the fiber and the matrix. We present a novel layer-by-layer (LbL) assembly for the surface modification of a glass fiber to enhance the interfacial properties between the glass fiber and the epoxy matrix. Solution-processable graphene oxide (GO) and an aramid nanofiber (ANF) were employed as active components for the LbL assembly onto the glass fiber, owing to their abundant functional groups and mechanical properties. We found that the interfacial properties of the glass fibers uniformly coated with GO and ANF multilayers, such as surface free energy and interfacial shear strength, were improved by 23.6% and 39.2%, respectively, compared with those of the bare glass fiber. In addition, the interfacial adhesion interactions between the glass fiber and the epoxy matrix were highly tunable simply by changing the composition and the architecture of layers, taking advantage of the versatility of the LbL assembly
Publisher
AMER CHEMICAL SOC
ISSN
1944-8244
Keyword (Author)
layer-by-layer (LbL) assemblygraphene oxidearamid nanofiberglass fiberinterfacial shear strength
Keyword
SHEAR-STRENGTHGRAPHITE OXIDEGAS BARRIERFILMSCOMPOSITESNANOCOMPOSITESEPOXYSHEETS

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