Interlaminar fracture toughness and fatigue fracture of continuous fiber-reinforced polymer composites with carbon-based nanoreinforcements: a review

Kumar, M.; Kumar, Pramod; Bhadauria, Seema

doi:10.1080/25740881.2020.1719142

Cited by 9 publications

(5 citation statements)

References 253 publications

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“…The main methods for achieving interlayer reinforcement include oxidation treatment [12,13], matrix toughening [14,15], Z-pinning (a technique to insert reinforcing fibers along the Z-direction of continuous-fiber-reinforced plastics) [16], and nanoparticle treatment [17,18]. Due to the demand for improved anti-delamination properties without affecting in-plane stiffness and strength, the use of nanoreinforcement particles (such as TiO 2 /Al 2 O 3 [19], nanosilica [20,21], and nanofiber materials such as CNTs) to modify CFRP composites has been widely studied by researchers.…”

Section: Introductionmentioning

confidence: 99%

Interlaminar Properties of Prepregs Reinforced with Multiwalled Carbon Nanotubes/Graphene Oxide

Wen

Shen

Chen³

2023

Materials

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Carbon-fiber-reinforced polymer (CFRP) composites are widely used in industries such as aerospace due to their lightweight nature and high strength. However, weak interfacial bonding strength is one of the main problems of resin-based composites. In this study, a prepreg was prepared by melt mixing. By dispersing nanoreinforcement particles in the resin, the interlaminar shear strength of the CFRP was increased by approximately 23.6%. When only 0.5 wt% multiwalled carbon nanotube (MWCNT) was used for reinforcement, scanning electron microscopy (SEM) micrographs showed that cracks were hindered by the MWCNTs during propagation, causing crack deflection. At the same time, the mechanism of MWCNTs pulling out increased the energy required for crack propagation. When only 0.5 wt% graphene oxide (GO) was added, the reinforcement effect was inferior to that of using the same amount of MWCNTs. The laminar structure formed by GO and the resin matrix adhered to the carbon fiber surface, reducing the degree of destruction of the resin matrix, but its hindering effect on crack propagation was weak. When 0.5 wt% of MWCNT and GO mixture was added, the interlayer shear strength increased from 55.6 MPa in the blank group to 68.7 MPa. The laminar structure of GO provided a platform for the MWCNTs to form a mesh structure inside its matrix. At the same time, the tubular structure of the MWCNTs inhibited the stacking of GO, providing better dispersion and forming a synergistic enhancement effect.

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Section: Introductionmentioning

confidence: 99%

Interlaminar Properties of Prepregs Reinforced with Multiwalled Carbon Nanotubes/Graphene Oxide

Wen

Shen

Chen³

2023

Materials

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“…Therefore, traditional resin infusion techniques such as vacuum assisted resin transfer infusion and resin transfer molding can result in non-uniform dispersion of carbon nanotubes in composite laminates due to a filtering effect on the fiber, especially when using untreated carbon nanotubes. Various research groups have made efforts for aligning the carbon nanotubes at the interface and as a result various techniques have been developed, e. g., electric field-assisted alignment of carbon nanotubes in the matrix [2,31]. The air-brush spraying technique, used in this study, directly sprays the carbon nanotube-solvent solution on the fabrics [32][33][34][35].…”

Section: Introductionmentioning

confidence: 99%

“…Delamination is usually initiated by either imperfections developed during the manufacturing or in‐service exposure such as impact. The study of interlaminar fracture in laminated composites has been an active area of research for the past several decades [2]. The need for composites with enhanced delamination resistance without any adverse effect on the in‐plane strength has led to the development of advanced materials reinforced with nanofillers, known as polymer nanocomposites.…”

Section: Introductionmentioning

confidence: 99%

Experimental characterization and numerical study on the interlaminar fracture toughness of carbon fibre reinforced polymer laminates reinforced with carbon nanotubes

Kumar

Bhadauria

2022

Materialwissenschaft Werkst

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The present study is focused on the nanoreinforcement of carbon fiber reinforced polymer laminates to evaluate its effect on delamination growth in double cantilever beam specimen. Multi‐walled carbon nanotubes were sprayed on the laminate interface using air‐brush spraying technique. Three nanofiller contents of 0.05 wt.%, 0.1 wt.%, and 0.5 wt.% were examined to evaluate the mode I fracture toughness (GIC) in a double cantilever beam specimen and the results were compared with the base laminate (0.0 % carbon nanotubes). The average mode I fracture toughness of composite laminates increased from 180.6 J/m2 to 270.92 J/m2 due to the addition of 0.05 wt.% multi‐walled carbon nanotubes, and to 268.27 J/m2 for 0.1 wt.% multi‐walled carbon nanotubes. Mechanisms for the increase in GIC of the nanofiller reinforced laminates are discussed based on the experimental results and microscopic study of fractured specimen surfaces from scanning electron microscopy. Energy dissipation from carbon nanotube bridging ahead of the crack front is the major toughening mechanism resulting in improved fracture toughness. Numerical simulations of delamination growth were performed as well by using virtual crack closure technique analysis in Abaqus. The R‐curve behaviour from the experiments is implemented in the finite element modeling of delamination growth to validate the effect of nanoreinforcements.

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“…Thus, strong fibre/matrix interfacial adhesion for successful transfer of stress at the interface is executed by the modifications at the fibre surface to resolve the inertness of CF hierarchically reinforced composite structures [ 25 , 26 , 27 , 28 , 29 , 30 ]. Significant advancements have been attained in CF reinforced composites for the fibre/matrix interfacial strength and matrix governed by the thickness performance, for example, fracture toughness, fatigue life, impact strength, and interfacial shear strength on the basis of their distinctive structures and modulus and outstanding strength [ 31 , 32 , 33 ].…”

Section: Introductionmentioning

confidence: 99%

Carbonaceous Materials Coated Carbon Fibre Reinforced Polymer Matrix Composites

et al. 2021

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Carbon fibre reinforced polymer composites have high mechanical properties that make them exemplary engineered materials to carry loads and stresses. Coupling fibre and matrix together require good understanding of not only fibre morphology but also matrix rheology. One way of having a strongly coupled fibre and matrix interface is to size the reinforcing fibres by means of micro- or nanocarbon materials coating on the fibre surface. Common coating materials used are carbon nanotubes and nanofibres and graphene, and more recently carbon black (colloidal particles of virtually pure elemental carbon) and graphite. There are several chemical, thermal, and electrochemical processes that are used for coating the carbonous materials onto a carbon fibre surface. Sizing of fibres provides higher interfacial adhesion between fibre and matrix and allows better fibre wetting by the surrounded matrix material. This review paper goes over numerous techniques that are used for engineering the interface between both fibre and matrix systems, which is eventually the key to better mechanical properties of the composite systems.

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Interlaminar fracture toughness and fatigue fracture of continuous fiber-reinforced polymer composites with carbon-based nanoreinforcements: a review

Cited by 9 publications

References 253 publications

Interlaminar Properties of Prepregs Reinforced with Multiwalled Carbon Nanotubes/Graphene Oxide

Interlaminar Properties of Prepregs Reinforced with Multiwalled Carbon Nanotubes/Graphene Oxide

Experimental characterization and numerical study on the interlaminar fracture toughness of carbon fibre reinforced polymer laminates reinforced with carbon nanotubes

Carbonaceous Materials Coated Carbon Fibre Reinforced Polymer Matrix Composites

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