A numerical micro-mechanical study of the influence of fiber–matrix interphase failure on carbon/epoxy material properties

Danzi, Federico; Fanteria, Daniele; Panettieri, Enrico; Palermo, Michele

doi:10.1016/j.compstruct.2016.09.095

Cited by 34 publications

(10 citation statements)

References 24 publications

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“…Danzi et al. 87 studied the effect of interphase defect on the mechanical properties of UD carbon-epoxy composite. The FE analysis is performed by means of original damage injection technique.…”

Section: Multi-scale Computational Homogenizationmentioning

confidence: 99%

“…58 distribution of reinforcements, boundary conditions, and interface properties on the compressive behavior of particle reinforce epoxy matrix. Danzi et al 87 studied the effect of interphase defect on the mechanical properties of UD carbon-epoxy composite. The FE analysis is performed by means of original damage injection technique.…”

Section: Multi-scale Computational Homogenizationmentioning

confidence: 99%

See 1 more Smart Citation

Micromechanical modeling of the mechanical behavior of unidirectional composites – A comparative study

Heidari-Rarani

Bashandeh-Khodaei-Naeini

Mirkhalaf

2018

Journal of Reinforced Plastics and Composites

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Laminated fiber reinforced composites are increasingly being used in various load-bearing applications including for instance aerospace and wind energy power industries. Understanding the mechanical behavior of a unidirectional lamina as the basic part of a laminated composite is of great interest from a design perspective and also for the analysis of composite structures. At the micro-level, mechanical behavior of a lamina including stiffness and strength is studied based on the mechanical properties of individual constituents. This study focuses on micromechanical approaches such as strength of materials, elasticity, semi-empirical, and numerical methods for the prediction of the stiffness and strength of a unidirectional lamina. To assess the accuracy of these models, results of each model are compared against experimental results available in the literature for unidirectional composites with different fiber volume fractions. Moreover, recent studies on micromechanical modeling of unidirectional composites are reviewed.

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Section: Multi-scale Computational Homogenizationmentioning

confidence: 99%

Section: Multi-scale Computational Homogenizationmentioning

confidence: 99%

Micromechanical modeling of the mechanical behavior of unidirectional composites – A comparative study

Heidari-Rarani

Bashandeh-Khodaei-Naeini

Mirkhalaf

2018

Journal of Reinforced Plastics and Composites

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“…As the fracture of fibre and nanoparticles are unlike to happen under transverse compression considered in this work, fibre and nanoparticle are simulated as linear elastic and isotropic solids. The material parameters are given in Table 1 [17,18] in which the subscript f ofEf represents the fibre and the n stands for the nanoparticle. The matrix can be modeled as an isotropic, elastic-plastic solid and the elastic parameters are also shown in Table 1.…”

Section: The Mechanical Models Of Phasesmentioning

confidence: 99%

“…The Θ is the deviatoric polar angle and can be defined by 3 cos(3 ) ( ) r q (8) In which the r and q stand for the third and the second invariant of deviatoric stress respectively. [17][18][19] initiation [19], which is also applied in the following part. The Fig.…”

Section: The Influence Of the Fibre/nanoparticle Distancementioning

confidence: 99%

Micromechanical Analysis of the Fibre-Reinforced-Epoxy Composites with Nanoparticles Embedded in the Interphase Region under Transverse Compression

Wang

2018

Advanced Composites Letters

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The mechanical behaviours of fibre reinforced epoxy matrix composites with silica nanoparticles inserted between fibres and matrix subjected to transverse compression are studied by computational micromechanics. A series of representative volume elements of composite microstructures containing fibres, nanoparticles with different distribution types, volume fractions and Young’ modulus; and matrix are established. The effect of nanoparticles incorporated in the interfacial phase on the elastic-plastic behaviour of composites has been assessed. The stress versus strain relationship, ductility and compressive strength are determined by the finite element analysis. It is found that the material property, volume fraction and distribution type of nanoparticles have significant influences on the mechanical behaviour of composites. The large plastic deformation between the fibre and nanoparticles can consume considerable deformation energy, which will enhance the mechanical behaviour of composites.

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“…For instance, Ghosh et al studied the response of RVEs with different size of heterogeneities using the Voronoi cell FE model (VCFEM). Danzi et al studied the effect of fiber‐matrix debonding on carbon‐epoxy RVEs. In their numerical model, a 3D cell containing one single fiber subjected to different boundary conditions (PBC) as well as different load cases was studied to examine the impact of fiber‐matrix debonding on the reduction of mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation of matrix cracking propagation in cross‐ply laminated composites subjected to three‐point bending load using concurrent multiscale model

Madadi

Naghdinasab

Farrokhabadi

2020

Fatigue Fract Eng Mat Struct

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The purpose of the present study is to analyze fiber-matrix debonding and induced matrix cracking formation as two major micromechanical damage modes in cross-ply composite laminates using a two-dimensional numerical approach. To this aim, the cross-ply laminates containing 90-degree layers are modeled, where the fibers are arranged randomly in transverse plies. Damage modes in this numerical model are simulated by the cohesive surface method. The performed analyses reveal that in the laminates with 90-degree layers located in the outer positions, the primary micro damage mode is micro matrix cracking which is initiated from the fiber-matrix debonding damage mode and will be followed by matrix cracking. The main benefit of the present study in comparison to other numerical methods is proposing a virtual test method for damage analysis of different cross-ply laminates in which, the matrix cracking formation will emerge physically in a random and antisymmetric pattern similar to the experimental observations. K E Y W O R D S

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A numerical micro-mechanical study of the influence of fiber–matrix interphase failure on carbon/epoxy material properties

Cited by 34 publications

References 24 publications

Micromechanical modeling of the mechanical behavior of unidirectional composites – A comparative study

Micromechanical modeling of the mechanical behavior of unidirectional composites – A comparative study

Micromechanical Analysis of the Fibre-Reinforced-Epoxy Composites with Nanoparticles Embedded in the Interphase Region under Transverse Compression

Numerical investigation of matrix cracking propagation in cross‐ply laminated composites subjected to three‐point bending load using concurrent multiscale model

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