Insights into complex rheological behaviour of carbon fibre/PEEK from a novel numerical methodology incorporating fibre friction and melt viscosity

Deignan, Anne; Figiel, Łukasz; McCarthy, Michael A.

doi:10.1016/j.compstruct.2018.01.084

Cited by 16 publications

(14 citation statements)

References 37 publications

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“…the initial behaviour is not purely elastic). Also, the fibre friction and fibre-melt interaction are highlighted in the section 4.2 for interpretation which are consistent with the findings of Deignan et al [41]. This suggests that the commonly used phenomenological approaches such as standard linear visco-elastic models and micromechanics based models such as those from Christensen [28] or Pipes et al [29] may fail to capture the observed behaviour.…”

Section: Discussionsupporting

confidence: 79%

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Experimental characterisation of the in-plane shear behaviour of UD thermoset prepregs under processing conditions

Wang

Chea

Belnoue

et al. 2020

Composites Part A: Applied Science and Manufacturing

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The in-plane shear behaviour of an uncured composite material (i.e. prepreg sheet, dry fibre preforms etc) is one of the key parameters that influences wrinkles generation in advanced composites manufacturing processes such as automated fibre placement (AFP) and thermoforming. However, there is no standardised test method for the characterisation of uncured unidirectional prepreg subjected to pure shear loading. In this paper, a 10 off-axis tensile test is developed, and the method's suitability is demonstrated on two different materials. The mechanical response is analysed over a range of testing rates and temperatures that are consistent with the real manufacturing process parameters. The results demonstrate the feasibility of the test method for extracting relevant material characteristics and the strain-rate and temperature dependency of the material response.

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Section: Discussionsupporting

confidence: 79%

“…This seem to be related to the microstructure of the prepreg. Deignan et al [41], working on fibre reinforced thermoplastic melts, have suggested that the resistive forces between two fibres increases with shear rate.…”

Section: Effect Of the Applied Loading Ratementioning

confidence: 99%

Experimental characterisation of the in-plane shear behaviour of UD thermoset prepregs under processing conditions

Wang

Chea

Belnoue

et al. 2020

Composites Part A: Applied Science and Manufacturing

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show abstract

“…In addition, the curves of neat PVDF were well superimposed into a master curve, suggesting a simple rheological behavior. As far as the curves of the PVDF composites were concerned, they all displayed a significant divergence (especially in the middle and end regions of the curves) with increasing GNP content, which revealed the complexity in rheological behavior of the composites …”

Section: Resultsmentioning

confidence: 99%

“…As far as the curves of the PVDF composites were concerned, they all displayed a significant divergence (especially in the middle and end regions of the curves) with increasing GNP content, which revealed the complexity in rheological behavior of the composites. [47] 3.3 | Thermal conductivity and in situ temperature measurement…”

Section: Dynamically Rheological Analysismentioning

confidence: 99%

Filler network structure and crystallization behavior of polyvinylidene fluoride/graphene nanoplatelet composites using SEM, DSC, rheological, and in situ measurement approach

Shi

Yang

Miao

et al. 2019

Polymer Crystallization

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In this work, solution blending was used to prepare series of polyvinylidene fluoride (PVDF)/graphene nanoplatelet (GNP) nanocomposites to investigate the effect of GNP content on the formation of filler network structure. Thermorheological complexity was observed with increasing GNP content, which was substantiated by morphological observation. Three classical thermal conduction models were adopted and compared with the measured thermal conductivity as a function of GNP loading, among which the Agari model presented the most reasonable prediction. A four‐parameter model was proposed to reflect the cooling behaviors of the PVDF/GNP composites with the aid of an in‐situ temperature measurement, suggesting the formation of GNP network structure in the composites. The incorporation of GNP showed an obvious nucleating effect on the crystallization of PVDF without altering its crystal form. Owing to the competition between spatial effect and heterogeneous nucleation, both crystallization rate and enthalpy achieved the maximum values when 6% GNP was added.

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“…12 However, the processability of PEEK is somewhat difficult, owing to its high melting temperature. 13 In this respect, poly(ethylene 2,6-naphthalate) (PEN) may become an ideal matrix of CFRCs owing to its favorable processing conditions and excellent performance.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of lightweight and high-strength carbon fiber-reinforced poly(ethylene-2,6-naphthalene) solid and foam composites

Chen

Zhou

Huang

2020

Advanced Composites Letters

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Poly(ethylene-2,6-naphthalene) (PEN) is one of the most important engineering polymers with high performance. However, the effects and foaming behavior of carbon fiber (CF)-reinforced PEN (CFRPEN) remain to be explored. In this study, PEN was used as the matrix for CF-reinforced composites, and its foaming behavior and mechanical properties were investigated. High mechanical properties can be evaluated through comparison with other similar CF-reinforced thermoplastic composites. A fabrication method to generate lightweight and high-strength CFRPEN composites is hence proposed.

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Insights into complex rheological behaviour of carbon fibre/PEEK from a novel numerical methodology incorporating fibre friction and melt viscosity

Abstract: Insights into complex rheological behaviour of carbon fibre/PEEK from a novel numerical methodology incorporating fibre friction and melt viscosity. Composite Structures.

Cited by 16 publications

References 37 publications

Experimental characterisation of the in-plane shear behaviour of UD thermoset prepregs under processing conditions

Experimental characterisation of the in-plane shear behaviour of UD thermoset prepregs under processing conditions

Filler network structure and crystallization behavior of polyvinylidene fluoride/graphene nanoplatelet composites using SEM, DSC, rheological, and in situ measurement approach

Fabrication of lightweight and high-strength carbon fiber-reinforced poly(ethylene-2,6-naphthalene) solid and foam composites

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