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Kwak, Sang Kyu
Kyu’s MolSim Lab @ UNIST
Research Interests
  • Molecular modeling and simulation, statistical thermodynamics, molecular physics

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Processing and mechanical characterization of ZnO/polyester woven carbon-fiber composites with different ZnO concentrations

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Title
Processing and mechanical characterization of ZnO/polyester woven carbon-fiber composites with different ZnO concentrations
Author
Kong, KyungilDeka, Biplab K.Kwak, Sang KyuOh, AeriKim, HeejunePark, Young-BinPark, Hyung Wook
Keywords
A. Textile composites; B. Impact behavior; B. Interphase; C. Elastic properties
Issue Date
201312
Publisher
ELSEVIER SCI LTD
Citation
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, v.55, no., pp.152 - 160
Abstract
In this research, processing characterization and mechanical properties of ZnO/polyester woven carbon-fiber composites were investigated. One of our more interesting findings was how the impact energy absorption of woven carbon fibers was affected by the concentrations of ZnO, grown using a hydrothermal process. The impact behavior of ZnO/polyester woven carbon-fiber composites differed according to ZnO concentration during growth. The morphology of damaged surfaces following impact studies was investigated via scanning electron microscopy. Molecular dynamics simulations were performed to calculate the differences in the adhesion energy of the ZnO crystalline structure at the atomistic-level. Additional ZnO increased the mechanical strength of the ZnO/polyester woven carbon-fiber composites, due to the much higher adhesion energy of the side areas of the ZnO crystalline structure. Also, the tensile modulus in composites processed by vacuum-assisted resin-transfer molding exhibited significant enhancement at higher ZnO concentrations.
URI
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DOI
http://dx.doi.org/10.1016/j.compositesa.2013.08.013
ISSN
1359-835X
Appears in Collections:
MNE_Journal Papers
ECHE_Journal Papers

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