Friction of carbon tows and fine single fibres

Tourlonias, Michel; Bueno, Marie-Ange; Poquillon, Dominique

doi:10.1016/j.compositesa.2017.03.017

Cited by 31 publications

(23 citation statements)

References 20 publications

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“…This graph highlights the good repeatability of the measurements for single fibres. This repeatability during a friction cycle was also proved in a previous study [26].…”

Section: Repeatability Of the Measurementsupporting

confidence: 49%

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Influence of Wear on the Sizing Layer and Desizing of Single Carbon Fibre-to-Fibre Friction

Tourlonias

Bueno

Jordan

et al. 2018

Wear

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OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. A B S T R A C TCarbon fibres are sized for use in the reinforcement of composite materials. The purposes for sizing include improving yarn cohesion, which is necessary for the weaving process, and increasing the adhesion between the fibres and the matrix. Nevertheless, during weaving, some fibrillation can occur, and that has detrimental effects on the weaving productivity and on the composite's properties. The purposes of this research were: (a) to determine whether abrasive wear between sliding fibres would modify the sizing and (b) to study the influence of sizing on the friction between fibres. The same type of carbon fibre was subjected to different desizing processes. The coefficient of friction between single fibres was obtained before and after desizing. The effects of sizing and sliding distance on frictional behaviour were investigated, and are related to the observed the wear of sizing layer. In fact, it increased with sliding distance and induced a decrease in the coefficient of friction. Moreover, an efficient desizing process induced a decrease of the coefficient of friction.

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“…This graph highlights the good repeatability of the measurements for single fibres. This repeatability during a friction cycle was also proved in a previous study [26].…”

Section: Repeatability Of the Measurementsupporting

confidence: 49%

“…The experimental method and adjustments were described and argued elsewhere [26,27]. In fact, no other method has yet been proposed to measure the static and/or kinetic friction properties between single carbon fibres.…”

Section: Friction Experimentsmentioning

confidence: 99%

Influence of Wear on the Sizing Layer and Desizing of Single Carbon Fibre-to-Fibre Friction

Tourlonias

Bueno

Jordan

et al. 2018

Wear

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“…Results show consistent impact of the viscosity on both parameters. The tendency of the hysteresis behaviour towards a stationary state could originate from levelling phenomena on the contact interfaces and from the coating between the filaments as Tourlonias et al showed on single fibres [42]. The implications of these effects are also considered by Cao et al [25] during their shear behaviour benchmark study using the term 'mechanical conditioning'.…”

Section: Rheometer Bending Testsmentioning

confidence: 96%

Comparative experimental and numerical analysis of bending behaviour of dry and low viscous infiltrated woven fabrics

Poppe

Rosenkranz

Dörr

et al. 2019

Composites Part A: Applied Science and Manufacturing

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Wet compression moulding (WCM) provides high-volume production potential for continuous fibre-reinforced composite components via simultaneous draping and infiltration. Experimental and theoretical investigations proved strong mutual dependencies between resin flow and fabric deformation, which are not fully understood yet. This limits development of suitable process simulation methods and applies in particular for the characterisation of infiltrated bending behaviour-essential for an accurate prediction of draping effects. Therefore, a comparative characterisation of the bending behaviour of dry and infiltrated woven fabrics is presented using a modified cantilever and a rheometer bending test. Experimental results reveal both, rate-and viscosity-dependencies. A comparison of the quantitative results exposed an explicable systematic deviation between the two tests, whereas qualitative results are comparable. Finally, Finite Element forming simulations, comprising two bending models corresponding to cantilever and rheometer test are performed to evaluate the experimental findings on component level.

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“…In order to have a no penetration condition, the "hard contact" type is chosen. The friction coefficient introduced is µ = 0.05, which is often used for composite studies [22].…”

Section: Explicit Simulationmentioning

confidence: 99%

Numerical modelling of entangled carbon fibre material under compression

Chatti

Poquillon

Michon

2018

Computational Materials Science

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A B S T R A C TA new entangled cross-linked material was recently developed in order to present a new core material that can resolve the drawbacks of the honeycomb. The optimization of entangled carbon fibres requires a deep understanding of the influence of the parameters of a fibre network on its macroscopic behaviour. This paper presents a 3D finite element model to investigate the compressive behaviour of this fibrous material. The current work focuses on a representative volume element (RVE) with appropriate boundary conditions and initial fibre distribution close to that of the experimental test. The morphology of the RVE is examined before loading. The simulation results show a good correlation with the experimental data in terms of stress-strain curves. The descriptors of the morphology such as the distance between contacts and fibre orientation are studied under compression loading.

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Friction of carbon tows and fine single fibres

Cited by 31 publications

References 20 publications

Influence of Wear on the Sizing Layer and Desizing of Single Carbon Fibre-to-Fibre Friction

Influence of Wear on the Sizing Layer and Desizing of Single Carbon Fibre-to-Fibre Friction

Comparative experimental and numerical analysis of bending behaviour of dry and low viscous infiltrated woven fabrics

Numerical modelling of entangled carbon fibre material under compression

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