Journal ArticleDOI
Nonlinear instability of axially loaded functionally graded multilayer graphene platelet-reinforced nanoshells based on nonlocal strain gradient elasticity theory
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In this article, the nonlinear instability of functionally graded multilayer graphene platelet-reinforced composites (GPLRC) nanoshells under axial compressive load is examined.About:
This article is published in International Journal of Mechanical Sciences.The article was published on 2017-10-01. It has received 131 citations till now. The article focuses on the topics: Elasticity (physics).read more
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Functionally graded graphene reinforced composite structures: a review
TL;DR: The most recently developed functionally graded graphene platelets reinforced composite (FG-GPLRC) where GPLs are non-uniformly dispersed with more GPLs in the area where they are most needed to achieve significantly improved mechanical performance has opened up a new avenue for the development of next generation structural forms with an excellent combination of high stiffness, light weight and multi-functionality.
Journal ArticleDOI
Nonlinear bending of functionally graded porous micro/nano-beams reinforced with graphene platelets based upon nonlocal strain gradient theory
TL;DR: In this paper, the size-dependent nonlinear bending of functionally graded porous micro/nano-beams reinforced with graphene platelets and subjected to the uniform distributed load together with an axial compressive load was investigated.
Journal ArticleDOI
A review on the mechanics of functionally graded nanoscale and microscale structures
Mergen H. Ghayesh,Ali Farajpour +1 more
TL;DR: In this article, a review of the mechanical properties of functionally graded nanoscale and micro-scale structures is presented, where various scale-dependent theories of elasticity for FG nanostructures such as FG nanobeams and nanoplates are explained.
Journal ArticleDOI
Nonlinear free vibrations of bi-directional functionally graded micro/nano-beams including nonlocal stress and microstructural strain gradient size effects
Saeid Sahmani,Babak Safaei +1 more
TL;DR: In this paper, size dependencies are captured in the nonlinear free vibration characteristics of micro/nano-beams made of bi-directional functionally graded materials (2D-FGM) with the aid of the nonlocal strain gradient elasticity theory and the variational principle.
Journal ArticleDOI
Accurate nonlinear buckling analysis of functionally graded porous graphene platelet reinforced composite cylindrical shells
TL;DR: In this paper, an accurate nonlinear buckling analysis of a functionally graded porous graphene platelet reinforced composite cylindrical shells under axial compressive load is performed, and the stability equation is established according to a unified shell theory including the classical thin shell theory and the high order shear deformation theory.
References
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Journal ArticleDOI
The Halpin-Tsai Equations: A Review
TL;DR: The Halpin-Tsai equations are based upon the self-consistent micromechanics method developed by Hill as discussed by the authors. But they are not suitable for semi-crystalline polymers.
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Enhanced mechanical properties of nanocomposites at low graphene content.
TL;DR: Graphene platelets significantly out-perform carbon nanotube additives in terms of mechanical properties enhancement, and may be related to their high specific surface area, enhanced nanofiller-matrix adhesion/interlocking arising from their wrinkled (rough) surface, as well as the two-dimensional geometry of graphene platelets.
Journal ArticleDOI
Ab initio calculation of ideal strength and phonon instability of graphene under tension
Fang Liu,Pingbing Ming,Ju Li +2 more
TL;DR: In this paper, the phonon spectra of graphene were calculated as a function of uniaxial tension by density functional perturbation theory to assess the first occurrence of phonon instability on the strain path.
Journal ArticleDOI
The mechanics of graphene nanocomposites: A review
TL;DR: In this paper, the preparation and characterisation of different forms of graphene are reviewed and different techniques that have been employed to prepare graphene such as mechanical and solution exfoliation, and chemical vapour deposition are discussed briefly.
Journal ArticleDOI
A higher-order nonlocal elasticity and strain gradient theory and its applications in wave propagation
C.W. Lim,G. Zhang,J. N. Reddy +2 more
TL;DR: In this paper, a higher-order non-local strain gradient elasticity model is proposed, which is based on the nonlocal effects of the strain field and first gradient strain field.
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A higher-order nonlocal elasticity and strain gradient theory and its applications in wave propagation
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