Enhancing interlaminar fracture toughness of woven carbon fibre/epoxy composites with engineering thermoplastic and carbon-based nanomaterials

Tangthana-umrung, Kanokporn; Mahmood, Humza; Zhang, Xiaomeng; Grésil, Matthieu

doi:10.1016/j.compstruct.2021.115073

Cited by 19 publications

(10 citation statements)

References 57 publications

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“…In contrast, a rough fracture surface with a deeply complicated terrain suggests a large amount of plastic deformation and energy dissipation due to improved toughness and ductility. 5,59 As evidently displayed in Figure 9A, the fracture surface of neat epoxy after tensile tests exhibited a smooth and flat topography with only two visible cracks. From Figure 9B,D,F, the surface roughness of the fracture surfaces in reinforced epoxy nanocomposites apparently increased with the addition of nanofillers.…”

Section: Tensile Propertiesmentioning

confidence: 84%

“…4 Under stress or impact loadings, epoxy resin is prone to cracking, chipping, or shattering, which results in premature failure without significant deformation or stretching. 5 Employing reinforcing agents into polymeric materials has gained considerable attention as a widespread approach to integrating advanced properties in the matrix. Among various reinforcing agents, carbonbased nanoparticles with advantageous mechanical, electrical, thermal, and optical properties, have been universally accepted as favorable nanofillers for synthesizing epoxy nanocomposites with aggressively enhanced properties.…”

Section: Introductionmentioning

confidence: 99%

“…Unfortunately, epoxy resin is also a brittle material with relatively low fracture toughness and damage tolerance 4 . Under stress or impact loadings, epoxy resin is prone to cracking, chipping, or shattering, which results in premature failure without significant deformation or stretching 5 …”

Section: Introductionmentioning

confidence: 99%

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Dispersion characteristics and mechanical properties of epoxy nanocomposites reinforced with carboxymethyl cellulose functionalized nanodiamond, carbon nanotube, and graphene

Zhang,

Huang,

Xia

et al. 2023

Polymer Composites

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Carbon‐based nanoparticles are widely regarded as promising nanofillers in nanocomposites to pursue advanced properties. To date, there has been a lack of systematic investigation into the structural variations of nanofillers and their influences on dispersion characteristics, as well as the resulting mechanical properties of nanocomposites. In this study, nanodiamond (ND), carbon nanotube (CNT), and graphene (GNP) were selected as the representative zero‐, one‐, and two‐dimensional nanofillers, respectively. A novel functionalization technique utilizing carboxymethyl cellulose (CMC) was employed to disperse nanofillers. The various characterization techniques and experimental results revealed that CMC functionalization was effective in reducing the agglomeration and improving the distribution uniformity of all three nanofillers. Among the three nanofillers, zero‐dimensional ND exhibited the most homogeneous dispersion quality in epoxy nanocomposites. The strongest abrasion resistance was found in ND‐reinforced epoxy nanocomposites, while CNT‐reinforced epoxy nanocomposites exhibited the best tensile properties.Highlights Nanodiamond with a spherical structure had better dispersion characteristics. Cylindrical carbon nanotube and planar graphene tended to agglomerate. Nanodiamond reinforced nanocomposites had better abrasion resistance. Carbon nanotube reinforced nanocomposites had better tensile properties. Carboxymethyl cellulose functionalization was valid for all three nanofillers.

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Section: Tensile Propertiesmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

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Dispersion characteristics and mechanical properties of epoxy nanocomposites reinforced with carboxymethyl cellulose functionalized nanodiamond, carbon nanotube, and graphene

Zhang,

Huang,

Xia

et al. 2023

Polymer Composites

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“…A comprehensive understanding of the laminated composite material’s resistance to interlaminar fracture is essential for product development and material selection. Previous studies on the fracture toughness of composite materials are well-documented in the literature. − …”

Section: Introductionmentioning

confidence: 98%

Glass Fiber–Epoxy Composites with Boron Nitride Nanotubes for Enhancing Interlaminar Properties in Structures

et al. 2022

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Hybrid composite materials are a class of materials where more than one type of reinforcement is integrated into a matrix to achieve superior properties. This typically involves nanoparticle fillers employed within traditional advanced composites with fiber reinforcements such as carbon or glass. The current study builds on previous investigations of boron nitride nanotube (BNNT) hybrid composites, specifically glass fiber (GF)–epoxy/BNNT composite laminates. GF is an effective and affordable primary reinforcement fiber in many applications, and boron nitride nanotubes (BNNTs) exhibit impressive mechanical properties comparable to carbon nanotubes (CNTs) with distinct functional properties, such as electrical insulation, which is desirable in manufacturing insulating composites when combined with GF. GF–epoxy/BNNT composite laminates, incorporating BNNT materials with different loadings (1 and 2 wt %) and purity, were manufactured using a hand layup technique and prepared for three-point bending, modified Charpy, dynamic mechanical analysis (DMA), and fracture toughness (mode I and mode II) measurements. A comprehensive microscopy study was also performed using scanning electron microscopy (SEM) showing prominent failure mechanism, nanotube dispersion, and their mode of reinforcement in different loading scenarios. Enhanced properties, including a 43% increase in mode II fracture toughness, were observed in hybrid composites with 1 wt % BNNT compared to the GF composites with neat epoxy, and the reinforcement mechanisms were discussed.

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“…8,9 To meet the higher and higher demand of CFRPs in industrial applications, many researchers focus on improving their toughness through various methods. Currently, the reported toughening methods mainly include: modification of carbon fibers and matrix [10][11][12][13][14][15][16][17][18] ; intralayer interleaving of different fibers [19][20][21] ; Z-direction toughening [22][23][24][25][26] ; and interlayer toughening of nonwovens and fabrics. [27][28][29][30] Interlayer toughening seems to be a simpler and more effective approach for CFRP laminates.…”

mentioning

confidence: 99%

Preparation and characterization of silk hybridizing carbon fiber/polybutylene succinate composite

Zou

et al. 2023

Polymer Composites

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Carbon fiber‐reinforced composites (CFRPs) offer numerous benefits due to their exceptional strength and modulus, making them extensively utilized in various applications. However, the disadvantage of poor impact resistance also limits their application in some aspects. In this study, silk fabric is used to hybridize CFRPs, and the silk/carbon fiber‐reinforced polybutylene succinate (PBS) composites were fabricated by combining the film stacking technique with the hot‐pressing method. The mechanical, thermal, and thermodynamic properties of the composites were assessed using various techniques, including tensile testing, scanning electron microscope, flexural testing, Charpy impact test, low‐velocity impact test, differential scanning calorimetry, and dynamic mechanical thermal analysis, and the optimal preparation process conditions (140°C/15 min) for the composites were obtained. Additionally, the mechanical properties of silk fiber/PBS, carbon fiber/PBS, and hybrid composite materials are comprehensively compared and evaluated. This work indicates that the synergistic toughening of silk and PBS significantly improves the impact resistance of CFRPs, and the impact strength of sample 5 (140°C/15 min) (54.97 kJ/m2) is higher than many reported values for CFRPs.Highlights High strength, high modulus carbon fiber, and high toughness silk were rarely combined as reinforcing phases for PBS composites. A hybrid composite material with a balanced combination of stiffness, strength, and toughness was prepared. Compared with similar studies, it was found that the hybrid composite prepared by this work exhibited relatively balanced mechanical properties, especially, its impact strength higher than many reported values.

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Enhancing interlaminar fracture toughness of woven carbon fibre/epoxy composites with engineering thermoplastic and carbon-based nanomaterials

Cited by 19 publications

References 57 publications

Dispersion characteristics and mechanical properties of epoxy nanocomposites reinforced with carboxymethyl cellulose functionalized nanodiamond, carbon nanotube, and graphene

Dispersion characteristics and mechanical properties of epoxy nanocomposites reinforced with carboxymethyl cellulose functionalized nanodiamond, carbon nanotube, and graphene

Glass Fiber–Epoxy Composites with Boron Nitride Nanotubes for Enhancing Interlaminar Properties in Structures

Preparation and characterization of silk hybridizing carbon fiber/polybutylene succinate composite

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