Influence of different parameters on cured shapes and residual stresses of unsymmetric composite laminate reinforced by multi-wall carbon nanotubes

  • Ahmad Reza GhasemiEmail author
  • Mohammad Mohammadi-Fesharaki
Original Paper


In this research, the curvature of three-phase unsymmetrical composite laminates was determined based on the Rayleigh–Ritz energy method. Three-phase composite laminate consists of glass fiber, epoxy resin and multi-walled carbon nanotubes (MWCNTs). Micromechanical models including Halpin–Tsai, modified Schapery, bridging and Schapery models have been employed to determine mechanical and thermal properties of nanocomposite plates. The influence of the thickness, curing temperature and weight fraction of MWCNTs were studied analytically. Then, some cross-ply composite specimens were fabricated and the analytical results were certified by experimental ones. Additionally, the results were compared with the Hyer model. It was observed that the proposed model can predict the curvature behavior better than the Hyer model. Study of the effects of mentioned parameters on the curvature of the cross-ply laminates revealed that addition of MWCNTs leads to increase in the elastic modulus and decrease in the CTE. So, the curvature of unsymmetrical cross-ply laminates decreases by addition of appropriate amount of nanoparticles.


Curvature Curing MWCNTs Micromechanics models Three-phase Cross-ply laminates 



The authors are grateful for research support from University of Kashan and Iran National Science Foundation (INSF) for supporting this research with Grant No. 96001615.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Composite and Nanocomposite Research Laboratory, Department of Solid Mechanics, Faculty of Mechanical EngineeringUniversity of KashanKashanIran

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