The compressive behaviour of composites including fiber kinking: modelling across the scales

Allix, Olivier; Feld, Nicolas; Baranger, Emmanuel; Guimard, Jean-Mathieu; Ha-Minh, Cuong

doi:10.1007/s11012-013-9872-y

Cited by 27 publications

(14 citation statements)

References 67 publications

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“…It describes the kinking damage in compression. Parameters˛C and m C can be identified, thanks to experimental and theoretical results given in [42,43]. Approximated as a brittle mechanism, the second relation of (23.16) could be written:…”

Section: Fiber Breakingmentioning

confidence: 99%

A Virtual Testing Approach for Laminated Composites Based on Micromechanics

Néron¹,

Bainier²

2016

The Structural Integrity of Carbon Fiber Composites

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Section: Fiber Breakingmentioning

confidence: 99%

A Virtual Testing Approach for Laminated Composites Based on Micromechanics

Néron¹,

Bainier²

2016

The Structural Integrity of Carbon Fiber Composites

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“…The kink bands progressively develop on the compressive side of the specimen with further deformation, limiting the maximum load capacity of this class of materials. Compressive failure due to kink banding has been extensively investigated in the past, resulting in a series of important studies on kinking (Budiansky and Fleck, 1993;Kyriakides et al, 1995;Lee and Waas, 1999;Feld et al, 2011;Prabhakar and Waas, 2013a,b;Schultheisz and Waas, 1996;Waas and Schultheisz, 1996;Basu et al, 2006;Feld et al, 2012;Allix et al, 2014;Zidek and Völlmecke, 2014;Davidson and Waas, 2014). It is established that kink band formation is due to both geometric nonlinearity (fiber misalignment) and material nonlinearity (matrix degradation) in fiber reinforced composites.…”

Section: Flexural Yield Stress and Maximum Flexural Stressmentioning

confidence: 99%

Progressive damage and failure response of hybrid 3D textile composites subjected to flexural loading, part I: Experimental studies

Zhang

Waas

Yen

2015

International Journal of Solids and Structures

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Keywords:Hybrid 3D textile composite Flexure Kink banding Progressive damage and failure a b s t r a c t This paper presents an experimental investigation of the deformation responses and failure mechanisms of hybrid 3D textile composites (H3DTCs) subjected to quasi-static three-point bending. The term ''hybrid" refers to different constituent fiber tows, including carbon, glass, and Kevlar that are integrally woven into a single preform. Three different hybrid architectures, manufactured by varying the percentages and lay-ups of the constituent fiber tows, were examined to understand the effect of hybridization on the resulting performance enhancement, including the bending modulus, flexural yield stress, and strain to failure. All the architectures show a ''plastic-like" nonlinear flexural response, indicating considerable damage tolerance and durability for this class of materials. It has been found that increasing the thickness of the specimens can increase the strain to failure in flexure. For an asymmetric H3DTC, which refers to an architecture that has carbon plies on one side and glass plies on the other (through-thethickness), an increased flexural yield stress can be achieved by placing the glass on the side that experiences compressive straining in flexure, whereas the failure strain is reduced by placing the carbon on the side which experiences tension. Distributed matrix cracking was observed in regions of predominant tension through a digital image correlation (DIC) technique. Although the experimental results show architecture-dependent responses, fiber tow kinking, which develops on the compressive side of the specimen is determined to be a strength limiting mechanism for this class of materials subjected to flexural loading. The experimental results are subsequently used as a basis for developing a mechanics based multiscale computational model for H3DTC deformation, damage and failure response in flexure. Details of the modeling strategy and the development of damage and failure constitutive models are presented in Part II of this two-part sequence (Zhang et al., in press).

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“…Vaziri used a continuum damage mechanical model based on the behaviour of an analogue model that was constructed to represent the complete forcedisplacement response of a representative volume element of the material to predict the quasi-static compressive response and failure of open-hole laminates. 17 Allix et al 18 employed a multiscale strategy to simulate compressive failure through kinking in a laminate. In his model, the composite was viewed as an assembly of elementary cells made of a homogenized fibre-matrix material, and interfaces were used as potential minimum cracking surfaces to explicitly represent discrete phenomena such as splitting and localized delamination.…”

Section: Introductionmentioning

confidence: 99%

“…17 Allix et al. 18 employed a multiscale strategy to simulate compressive failure through kinking in a laminate. In his model, the composite was viewed as an assembly of elementary cells made of a homogenized fibre-matrix material, and interfaces were used as potential minimum cracking surfaces to explicitly represent discrete phenomena such as splitting and localized delamination.…”

Section: Introductionmentioning

confidence: 99%

Progressive damage simulation of scaling effects on open-hole composite laminates under compression

Zhou

Sun

Ridha

et al. 2017

Journal of Reinforced Plastics and Composites

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The progressive damage simulation and strength prediction of open-hole fibre-reinforced composite laminates subjected to compressive loading is quite difficult due to numerical stability issues. Here, we proposed a progressive damage model for open-hole fibre-reinforced composite laminates subjected to compressive loading based on open-hole fibre-reinforced composite laminates under a tensile load. The proposed model is divided into two parts: the in-plane damage and delamination are modelled by continuum shell elements and cohesive elements, respectively, and the damage mechanics of sublaminate-scaled laminates with ply sequence [45/0/-45/90] ns and ply-level scaled laminates with ply sequence [45 m /0 m /À45 m /90 m ] s are investigated by our proposed model. The complete failure process and mode of notched composite laminate under compressive load are also modelled in our model. The numerical results show good agreement with the experimental results.

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The compressive behaviour of composites including fiber kinking: modelling across the scales

Cited by 27 publications

References 67 publications

A Virtual Testing Approach for Laminated Composites Based on Micromechanics

A Virtual Testing Approach for Laminated Composites Based on Micromechanics

Progressive damage and failure response of hybrid 3D textile composites subjected to flexural loading, part I: Experimental studies

Progressive damage simulation of scaling effects on open-hole composite laminates under compression

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