Numerical model for an epoxy beam reinforced with superelastic shape memory alloy wires

N. V. Viet, W. Zaki, Rehan Umer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

We present a numerical solution for a smart composite beam consisting of an epoxy matrix reinforced with unidirectional superelastic shape memory alloy (SMA) fibers with uniform circular cross section. The beam is loaded by a tip load, which is then removed resulting in shape recovery due to superelasticity of the SMA wires. The analysis is carried out considering a representative volume element (RVE) of the beam consisting of one SMA wire embedded in epoxy. The analytical model is developed for a superelastic SMA/epoxy composite beam subjected to a complete loading cycle in bending. Using the proposed model, the moment-curvature profile, martensite volume fraction variation, and axial stress are determined. The results are validated against three-dimensional finite element analysis (3D FEA) for the same conditions. The proposed work is a contribution toward better understanding of the bending behavior of superelastic SMA-reinforced composites.

Original languageBritish English
Title of host publicationBehavior and Mechanics of Multifunctional Materials and Composites XII
EditorsHani E. Naguib
PublisherSPIE
ISBN (Electronic)9781510616882
DOIs
StatePublished - 2018
EventBehavior and Mechanics of Multifunctional Materials and Composites XII 2018 - Denver, United States
Duration: 5 Mar 20188 Mar 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10596
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceBehavior and Mechanics of Multifunctional Materials and Composites XII 2018
Country/TerritoryUnited States
CityDenver
Period5/03/188/03/18

Keywords

  • Cantilever beam
  • Numerical method
  • Shape memory alloy wire-reinforced composite
  • Superelasticity
  • Three-dimensional finite element analysis

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