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Applied Composite Materials

, Volume 18, Issue 4, pp 271–282 | Cite as

Studying the Tensile Behaviour of GLARE Laminates: A Finite Element Modelling Approach

  • P. Soltani
  • M. Keikhosravy
  • R. H. Oskouei
  • C. Soutis
Article

Abstract

Numerical simulations based on finite element modelling are increasingly being developed to accurately evaluate the tensile properties of GLARE (GLAss fibre REinforced aluminium laminates). In this study, nonlinear tensile behaviour of GLARE Fibre Metal Laminates (FML) under in-plane loading conditions has been investigated. An appropriate finite element modelling approach has been developed to predict the stress–strain response and deformation behaviour of GLARE laminates using the ANSYS finite element package. The finite element model supports orthotropic material properties for glass/epoxy layer(s) and isotropic properties with the elastic–plastic behaviour for the aluminium layers. The adhesion between adjacent layers has been also properly simulated using cohesive zone modelling. An acceptable agreement was observed between the model predictions and experimental results available in the literature. The proposed model can be used to analyse GLARE laminates in structural applications such as mechanically fastened joints under different mechanical loading conditions.

Keywords

GLARE Fibre Metal Laminates Finite element modelling Tensile behaviour 

Nomenclature

dn

Normal debonding parameter

dt

Tangential debonding parameter

dm

Mixed mode debonding parameter

E

Young’s (elastic) modulus

G

Shear modulus

Gn

Normal fracture energy/Work done by normal traction

Gt

Shear fracture energy/Work done by tangential (shear) traction

GI

Critical fracture energy in mode I

GII

Critical fracture energy in mode II

Kn

Normal stiffness

Kt

Tangential stiffness

Tcr

Critical normal/shear traction

Tn

Normal traction

Tt

Tangential/Shear traction

δf

Failure/complete separation

δn

Normal separation

\( \delta_n^{cr} \)

Critical normal separation

\( \delta_n^f \)

Failure normal separation

δt

Tangential separation

\( \delta_t^{cr} \)

Critical tangential separation/slip distance

\( \delta_t^f \)

Failure tangential separation/slip distance

Δm, λ

Mixed mode dimensionless parameters

τmax

Maximum/critical shear stress

σmax

Maximum/critical normal stress

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • P. Soltani
    • 1
  • M. Keikhosravy
    • 1
    • 2
  • R. H. Oskouei
    • 3
  • C. Soutis
    • 4
  1. 1.Department of Mechanical EngineeringIslamic Azad UniversitySemnanIran
  2. 2.Department of Mechanical EngineeringIslamic Azad UniversityFiruzkoohIran
  3. 3.Department of Mechanical & Aerospace EngineeringMonash UniversityClaytonAustralia
  4. 4.Department of Mechanical Engineering (Aerospace)The University of SheffieldSheffieldUK

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