Viscoelastic behavior of epoxy/carbon fiber/Zno nano-rods hybrid composites

The insufficient viscoelastic resistance of fiber reinforced plastics can be retrofitted by the addition of more rigid nano fillers to the polymer matrix. In this study, carbon fibers plies were grafted with zinc oxide (ZnO) nano‐rods and the hybridized reinforcement was utilized in laminated compos...

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Bibliographic Details
Published in:Polymer composites 2015-11, Vol.36 (11), p.1967-1972
Main Authors: Alipour Skandani, Amir, Yari Boroujeni, Ayoub, Kalhor, Roozbeh, Case, Scott W., Al-Haik, Marwan
Format: Article
Language:English
Subjects:
Addition polymerization
Carbon fibers
Creep tests
Hybrid composites
Nanostructure
Stress relaxation
Viscoelasticity
Zinc oxide
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Summary:The insufficient viscoelastic resistance of fiber reinforced plastics can be retrofitted by the addition of more rigid nano fillers to the polymer matrix. In this study, carbon fibers plies were grafted with zinc oxide (ZnO) nano‐rods and the hybridized reinforcement was utilized in laminated composites. Flexural creep tests were carried out using dynamic mechanical analysis (DMA) and the time/temperature superposition principle was employed for accelerated testing. To verify the applicability of TTPS, prolonged stress relaxation tests were also carried out in flexural mode. Data from the DMA flexural creep tests revealed that the whiskerization of carbon fibers with ZnO nano rods reduced the creep compliance by 23% at elevated temperatures and prolonged durations. Also, the relaxation data confirmed the applicability of TTPS to these hybrid composites. The stress relaxation modulus improved by 65% in comparison to composites based on neat carbon fibers. POLYM. COMPOS., 36:1967–1972, 2015. © 2014 Society of Plastics Engineer
ISSN:0272-8397
1548-0569
DOI:10.1002/pc.23106