Effect of fibre topology on hygro-mechanical response of polymer matrix composites

Jain, Deepak; Mukherjee, Abhijit; Kwatra, Naveen

doi:10.1016/j.ijheatmasstransfer.2015.03.054

Cited by 14 publications

(5 citation statements)

References 18 publications

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“…As the fibres get clustered they affect the isolines and they get curved. The authors observed similar phenomenon in their study of smaller microstructures with varying spatial distribution of fibres[37][38][39]. In OD, clustering caused faster progression of moisture through the left half of the RVE.…”

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confidence: 55%

Numerical modelling of moisture diffusion in FRP with clustered microstructures

Jain

Mukherjee

Kwatra

2016

Applied Mathematical Modelling

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Highlights Moisture propagation in fibre reinforced polymers with spatial tortuosity is presented  An algorithm for creation and control of microstructures is developed  Statistical descriptors of geometry have been used to quantify clustering  Correlation between the statistical descriptor and moisture diffusion has been established  The results should serve as a guideline for moisture absorption and durability of FRPs AbstractThis paper presents a numerical study of moisture propagation in fibre reinforced polymer (FRP) materials with spatial tortuosity. An algorithm for creation of microstructures with clustered fibre architecture is presented. Several controls for different characteristics of the clusters are described. Different statistical descriptors of geometry are used to quantify the clustering. A Fickian diffusion process has been modelled. The effect of clustering on moisture diffusion through the FRP is reported. It is observed that microstructures greatly affect the diffusion behaviour of the FRP.Correlation between moisture diffusion and the statistical descriptors has been examined. The statistical measures that depict the global characteristics of the microstructure are found to have a better correlation with time to saturate the representative volume element. The results should help in prediction of macroscopic response and durability of FRPs.

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supporting

confidence: 55%

Numerical modelling of moisture diffusion in FRP with clustered microstructures

Jain

Mukherjee

Kwatra

2016

Applied Mathematical Modelling

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“…Once the hygroscopic behaviour and properties of the material have been experimentally determined, it is possible to model its behaviour under environmental conditions, and hence the associated residual stresses. More complete approaches based on both experimental and numerical investigations have been performed using petro-based materials [7,[18][19][20][21][22][23][24]. Two main approaches stem from the literature.…”

Section: Introductionmentioning

confidence: 99%

“…The first approach, called uncoupled modelling, only takes into account the impact of moisture uptake on hygroscopic swelling and associated stresses [19][20][21]23,24]. Uncoupled modelling as applied in many studies allows a satisfactory reproduction of moisture uptake.…”

Section: Introductionmentioning

confidence: 99%

Study of hygroscopic stresses in asymmetric biocomposite laminates

Péron

Célino

Castro

et al. 2019

Composites Science and Technology

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“…On the other hand, the fiber orientation in the FRP can be tailored as a barrier to moisture [12]. This, in turn, increases the moisture stress concentration [13]. Our previous research shows that a tradeoff between the moisture resistance and stress concentration is necessary for optimal performance [12,13].…”

Section: Introductionmentioning

confidence: 99%

A framework for three-dimensional finite element analysis of unidirectional and cross-ply composite layups through localized microstructures under hygromechanical conditions

Jain

Vats

Bera

et al. 2020

J Braz. Soc. Mech. Sci. Eng.

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Fiber-reinforced polymers (FRPs) are sensitive to moisture diffusion. Deterioration caused by moisture can limit their service lives considerably. In this work, a three-dimensional finite element modeling and analysis framework is presented to investigate the moisture diffusion kinetics inside fiber-reinforced inside polymer matrix composites by considering different angle and cross-ply orientations. A small localized representative volume element considering a few fibers in the neighborhood of three-layer stacks has been analyzed. The emphasis is on the effect of different fiber orientations over moisture saturation time and diffusion-induced stresses. Stresses induced due to moisture diffusion in FRPs are evaluated on the free fiber ends. The numerical results from finite element approximations are compared with theories of composite micromechanics such as rule of mixtures, Halpin-Tsai model and concentric cylinder assemblage framework. It is observed that the orientation of fiber layers can greatly influence the moisture ingress inside the matrix and resulting stresses. At intermediate time durations of moisture progression, the cross-ply orientation had ~ 25% lower weight gain in comparison with the unidirectional ply orientations. The overall von Mises stresses at the fiber matrix interface were also lower in cross-ply orientations by ~ 40% in comparison with the other orientations with similar fiber volume fraction. The three-layered cross-ply, 90/90/90 orientation took almost 50% more time to fully saturate with moisture in comparison with the unidirectional, 0/0/0 orientation. The interpretations from the smaller local microstructural models presented in this work can be extended to study and design the structure scale composite layups for the improved moisture durability.

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Effect of fibre topology on hygro-mechanical response of polymer matrix composites

Cited by 14 publications

References 18 publications

Numerical modelling of moisture diffusion in FRP with clustered microstructures

Numerical modelling of moisture diffusion in FRP with clustered microstructures

Study of hygroscopic stresses in asymmetric biocomposite laminates

A framework for three-dimensional finite element analysis of unidirectional and cross-ply composite layups through localized microstructures under hygromechanical conditions

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