Compressive strength and stiffness of filament-wound cylinders

Todd C. Henry, Charles E. Bakis

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In filament-wound composites, the existence of fiber undulation introduces unique challenges in the calculation of compressive modulus and strength using traditional composite theories. In the current work, a previously developed three-dimensional continuum representation of undulated fibers was incorporated into a multi-scale homogenization process to simulate the effective longitudinal stress-strain behavior of filament-wound cylinders and compressive failure in the undulation regions. Calculated properties were compared to previously obtained experimental data for carbon fiber cylinders made with various matrix materials and winding parameters. The average difference between predicted and measured properties was 14% and the predicted failure modes were consistent with the experimental observations.

Original languageEnglish (US)
Pages (from-to)1543-1553
Number of pages11
JournalJournal of Reinforced Plastics and Composites
Volume35
Issue number21
DOIs
StatePublished - Nov 1 2016

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Compressive strength
Stiffness
Fibers
Composite materials
Failure modes
Carbon fibers
carbon fiber

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Polymers and Plastics
  • Materials Chemistry

Cite this

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abstract = "In filament-wound composites, the existence of fiber undulation introduces unique challenges in the calculation of compressive modulus and strength using traditional composite theories. In the current work, a previously developed three-dimensional continuum representation of undulated fibers was incorporated into a multi-scale homogenization process to simulate the effective longitudinal stress-strain behavior of filament-wound cylinders and compressive failure in the undulation regions. Calculated properties were compared to previously obtained experimental data for carbon fiber cylinders made with various matrix materials and winding parameters. The average difference between predicted and measured properties was 14{\%} and the predicted failure modes were consistent with the experimental observations.",
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Compressive strength and stiffness of filament-wound cylinders. / Henry, Todd C.; Bakis, Charles E.

In: Journal of Reinforced Plastics and Composites, Vol. 35, No. 21, 01.11.2016, p. 1543-1553.

Research output: Contribution to journalArticle

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