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Proceedings Paper

Development and characterization of carbon nanopaper-based nanocomposite materials
Author(s): Jihua Gou; Scott O'Braint; Haichang Gu; Gangbing Song
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Paper Abstract

Vacuum-Assisted Resin Transfer Molding (VARTM) process was used to fabricate the nanocomposites through integrating carbon nanofiber paper into traditional glass fiber reinforced composites. The carbon nanofiber paper had a porous structure with highly entangled carbon nanofibers and short glass fibers. In this study, the carbon nanofiber paper was employed as an inter-layer and surface layer of composite laminates to enhance the damping properties. Experiments conducted using the nanocomposite beam indicated up to 200-700% increase of the damping ratios at higher frequencies. The scanning electron microscopy (SEM) characterization of the carbon nanofiber paper and the nanocomposites was also conducted to investigate the impregnation of carbon nanofiber paper by the resin during the VARTM process and the mechanics of damping augmentation. The study showed a complete penetration of the resin through the carbon nanofiber paper. The connectivities between carbon nanofibers and short glass fibers within the carbon nanofiber paper were responsible for the significant energy dissipation in the nanocomposites during the damping tests.

Paper Details

Date Published: 6 April 2006
PDF: 9 pages
Proc. SPIE 6170, Smart Structures and Materials 2006: Active Materials: Behavior and Mechanics, 61701O (6 April 2006); doi: 10.1117/12.661286
Show Author Affiliations
Jihua Gou, Univ. of South Alabama (United States)
Scott O'Braint, Univ. of South Alabama (United States)
Haichang Gu, Univ. of Houston (United States)
Gangbing Song, Univ. of Houston (United States)

Published in SPIE Proceedings Vol. 6170:
Smart Structures and Materials 2006: Active Materials: Behavior and Mechanics
William D. Armstrong, Editor(s)

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