A multi-scale approach for the response of a 3D carbon/carbon composite under shock loading

Allix, Olivier; Dommanget, Michel; Gratton, Michel; Héreil, Pierre‐Louis

doi:10.1016/s0266-3538(00)00111-1

Cited by 20 publications

(11 citation statements)

References 7 publications

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“…Park et al [50] have found the impact strengths of these composites increase with increasing fluorine/oxygen content. The impact strengths are important mechanical properties to evaluate the toughness of composite materials [74]. Table 4 lists the impact strength of OF-MWCNTs-reinforced composites.…”

Section: The Surface Characteristics and Application Of Of-mwcntsmentioning

confidence: 99%

Syntheses and properties of fluorinated carbon materials

Lee

2007

Journal of Fluorine Chemistry

158

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Section: The Surface Characteristics and Application Of Of-mwcntsmentioning

confidence: 99%

Syntheses and properties of fluorinated carbon materials

Lee

2007

Journal of Fluorine Chemistry

158

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“…The micromechanical model simulations require a higher mesh resolution in order to model the fibre geometry and the matrix region separately. Multiscale approach [23][24][25][26][27][28] has proved to be valuable for simulating impact problems at an optimal computational cost and has been adopted in the current work.…”

Section: Multiscale Modelmentioning

confidence: 99%

Computational micromechanical modelling of the material removal process in a carbon fibre composite under single-erodent particle impact

Deliwala

Yerramalli

2020

Proceedings of the Institution of Mechanical Engineers, Part J:

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A multiscale model is developed to understand the material removal process in a unidirectional carbon fibre epoxy composite impacted by a single-erodent particle. The embedded cell approach is used to model the carbon fibre and epoxy at a microscale. The micromodel is embedded centrally in the macroscale lamina of the composite plate. The carbon fibre is considered to be elastic with orthotropic strain limits as the failure criteria. The epoxy matrix is modelled as an elastic--plastic material with multilinear isotropic hardening. The maximum equivalent plastic strain limit is used as the matrix material failure limit. Using this embedded micromechanics model, the role of matrix and the fibre in developing the composite material erosion behaviour has been clearly elucidated. The results from the simulation indicate the change in the matrix erosion behaviour as a function of the fibre volume fraction. For the current thermoset matrix, material erosion response changes from brittle behaviour to ductile behaviour with an increase in fibre volume fraction. The current study has been able to highlight the individual role of matrix and the fibre in developing the semi-ductile erosion response peculiar to a fibre-reinforced composite material.

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“…The one dimension and a half (1 1/2D) mesomodel for normal impacts 2.2.1. The 1 1/2D model It has been shown previously (see [5]) that in the case of normal plate/plate impacts, a simplified 1 1/2D model was sufficient to represent accurately the behaviour of the 3D C/C. This model is built through the introduction of the main mechanisms for each constituent (see • rate effects for the fibre yarns;…”

Section: Indications On the Influence Of The 3d Mesostructurementioning

confidence: 99%

“…Moreover, it has been shown (see [9]) that, for this material, the link between the mesostate and the microstate could not be approximated as in [8]. A totally new numerical procedure has been developed (see [5]) to complete the identification. The main difficulty was to model and identify the behaviour of the mesoconstituent for stress levels equivalent to those generated during a shock.…”

Section: Identification Of the 3d Model Parametersmentioning

confidence: 99%