Interfacial damage in biopolymer composites reinforced using hemp fibres: Finite element simulation and experimental investigation

Hbib, Mohameden; Guessasma, Sofiane; Bassir, David; Benseddiq, Noureddine

doi:10.1016/j.compscitech.2011.05.015

Cited by 23 publications

(12 citation statements)

References 28 publications

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“…Thus, interfacial damage and de-bonding features are not included in the present model. These features have begun to receive treatment for natural fiber (hemp) composites using a specialized single fiber composite for FEA models and experiments [40]. Knowing the failure mechanisms and strengths of wheat-straw composites, the models developed in the present manuscript could be extended to estimate the bond failure by generalizing the interfacial modeling.…”

Section: Finite Element Modelingmentioning

confidence: 99%

Finite element analysis and microscopy of natural fiber composites containing microcellular voids

et al. 2016

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Mechanical behaviors of chopped, natural fiber composites with and without closed-cell microcellular foamed structures are investigated using finite element analysis (FEA), with references to previously conducted experimental measurements of the stress-strain characteristics of analogous test specimens and their microscopic images. Analytical and FEA models are compared for a simple, aligned fiber case; the FEA models are then extended to composites having more general fiber arrangements. These FEA results are compared to experimental stressstrain data. Scanning electron microscopy (SEM) images of fracture surfaces from test specimens are analyzed, and correlations between numerically predicted behaviors and fracture paths, and fracture surface images are discussed. The FEA results reflect experimental trends well including the effects of fibers and the presence of voids. These have also been found to induce specific regions of stress concentration. Inspection of fracture surfaces reveals transition from ductile to brittle behavior at low strain rates, generally brittle failure modes, and little evidence of fibers stressed to their tensile limits.

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Section: Finite Element Modelingmentioning

confidence: 99%

Finite element analysis and microscopy of natural fiber composites containing microcellular voids

et al. 2016

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“…Hbib et al. 109 proposed a 2D FE model for a starch composite reinforced by a single hemp fiber to study the interfacial damage. The strength of interfacial adhesion and the fiber orientation were investigated.…”

Section: Fe Models For Nfrcsmentioning

confidence: 99%

Finite element models of natural fibers and their composites: A review

Xiong

Shen

Hua

et al. 2018

Journal of Reinforced Plastics and Composites

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Finite element method has been widely applied in modeling natural fibers and natural fiber reinforced composites. This paper is a comprehensive review of finite element models of natural fibers and natural fiber reinforced composites, focusing on the micromechanical properties (strength, deformation, failure, and damage), thermal properties (thermal conductivity), and macro shape deformation (stress–strain and fracture). Representative volume element model is the most popular homogenization-based multi-scale constitutive method used in the finite element method to investigate the effect of microstructures on the mechanical and thermal properties of natural fibers and natural fiber reinforced composites. The representative volume element models of natural fibers and natural fiber reinforced composites at various length scales are discussed, including two types of geometrical modeling methods, the computer-based modeling method and the image-based modeling method. Their modeling efficiency and accuracy are also discussed.

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“…Unfortunately, material law implementation is not yet fully revisited leaving an open area for research in this direction [138]. A typical research direction would be to explore interfacial effect in terms of limited load transfer and damage kinetics at the light of results achieved for composite materials [139,140]. This direction is fully justified by the fact that lack of performance is more associated to the weak adhesion between filaments.…”

Section: Challenges For Am Topology Optimisationmentioning

confidence: 99%

Challenges of additive manufacturing technologies from an optimisation perspective

Guessasma

Zhang

Zhu

et al. 2015

Int. J. Simul. Multisci. Des. Optim.

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-Three-dimensional printing offers varied possibilities of design that can be bridged to optimisation tools. In this review paper, a critical opinion on optimal design is delivered to show limits, benefits and ways of improvement in additive manufacturing. This review emphasises on design constrains related to additive manufacturing and differences that may appear between virtual and real design. These differences are explored based on 3D imaging techniques that are intended to show defect related processing. Guidelines of safe use of the term ''optimal design'' are derived based on 3D structural information.

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Interfacial damage in biopolymer composites reinforced using hemp fibres: Finite element simulation and experimental investigation

Cited by 23 publications

References 28 publications

Finite element analysis and microscopy of natural fiber composites containing microcellular voids

Finite element analysis and microscopy of natural fiber composites containing microcellular voids

Finite element models of natural fibers and their composites: A review

Challenges of additive manufacturing technologies from an optimisation perspective

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