Phase-microstructure-mechanical properties relationship of carbon fiber reinforced ionic liquid epoxy composites

Fu, Yu; Zhou, Hanmo; Zhou, Limin

doi:10.1016/j.compscitech.2021.108711

Cited by 14 publications

(3 citation statements)

References 25 publications

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“…Morphological assessment; fiber sizing analysis; evaluation of interaction between fibers and matrix; investigation of failures, fractures, adhesion, gaps, corrosion, and deformation. [29,34,[41][42][43][44][74][75][76][77][78][79][80][81][82][83][84] SEM/EDS Elemental analysis of surfaces after treatment; identification of ratios and chemical composition. [35,45,82,[85][86][87] DSC Determination of phase transition, mainly Tg temperature in the matrix; evaluation of matrix curing process; curing degree.…”

Section: Semmentioning

confidence: 99%

Analytical approaches to fiber-reinforced polymer composites: a short review

Takematsu,

Dutra

2023

Polímeros

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A variety of fiber-reinforced polymer (FRP) has been described in literature, with a considerable subset of studies focused on fiber surface treatment (sizing), performance enhancement of matrix and fibers both synthetic and natural, and development of more ecologically sustainable composites. The present review discusses the different types of fibers and matrices and their applications, depending on the chemical and mechanical properties of their composites. In order to evaluate the performance of FRP composites and explore the characteristics of the involved materials, some analytical techniques are considered paramount, such as thermal analysis, microscopy, Fourier transform-infrared spectroscopy (FT-IR), and others. On this basis, this review addresses the state-of-the-art of material characterization methodologies, provides a comprehensive overview of different types of FRP found in literature, as well as links the analytical techniques with the main applications contributing to future studies and research in this area.

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Section: Semmentioning

confidence: 99%

Analytical approaches to fiber-reinforced polymer composites: a short review

Takematsu,

Dutra

2023

Polímeros

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“…Fu et al [109] used commercial epoxy resin and hardener with high amount of 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (Pyr 14 NTf 2 ) (25-40 wt % in relation to epoxy) to produce a twill-weave carbon fiber laminate by vacuum-infusion. The composite failure in tensile tests depended on the IL content, namely brittle with fiber breakage (no IL), ductile with a combination of fiber breakage, splitting and delamination (up to 30 wt % of IL), and brittle with only delamination (above 30 wt % of IL).…”

Section: Laminae and Laminate Compositesmentioning

confidence: 99%

Ionic liquid‐functionalized reinforcements in epoxy‐based composites: A systematic review

et al. 2022

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Several high‐performance reinforcements may be used in epoxy‐based composites. These commonly undergo chemical and/or physical treatments to enhance their interfacial interactions with polymer matrices. One recent technology comprises the use of ionic liquids (IL) as compatibilizers. This strategy may result in the development of composite materials with greater performance or multifunctional characteristics. Herein, an overview in the area of IL‐modified reinforcements and their effect on epoxy‐based composites is presented. The PRISMA protocol was followed for the review, and the focus of these studies was on the modification of carbon nanotubes, followed by graphene/graphite nanoplatelets and bio‐fillers. The most used IL were those based on imidazolium cation, especially 1‐butyl‐3‐methylimidazolium chloride. In most cases, when IL are used, the reinforcement displays stronger interactions with the epoxy matrix, depending the treatment route employed. Improved interfacial interactions are cited as the main reason for the improvement in the composite mechanical and thermal performances. It was also found that strategies for using low IL content, or routes that enable recovery of the salts after fiber/particle treatment, are still required, as well as the study of the influence of different amounts/types of IL on the structure of fillers and their relationships with the composite properties.

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“…Generally, the secondary phase particles can either be the soft fillers (e.g. rubber [13], thermoplastic particles [14], ionic liquids [15,16], etc.) or be the rigid fillers (e.g.…”

Section: Introductionmentioning

confidence: 99%

A carbon nanosphere nanofluid for improving the toughness and thermal properties of epoxy composites

Li¹,

Qu²,

Zhang³

et al. 2022

Nanotechnology

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A carbon nanosphere nanofluid (CNS-nanofluid) was successfully prepared through the non-covalent modification of carbon nanosphere (CNS) with the specific ionic liquid (i.e., [M2070][VBS]) at first. The resulting CNS-nanofluid is a homogeneous and stable fluid with liquid-like behaviour at room temperature, and which shows better dispersion stability in its good solvents and improved processability than the pristine CNS. Subsequently, this CNS-nanofluid was used as a kind of novel functional filler and incorporated into epoxy matrix to prepare the CNS-nanofluid filled epoxy composites (CNS-nanofluid/EP composites). The toughness and thermal properties of those CNS-nanofluid/EP composites were carefully characterized and analysed. And it was found that this CNS-nanofluid could respectively improve the impact toughness and glass transition temperature of the CNS-nanofluid/EP composites to 19.8 kJ/m2 and 122.5 °C at the optimum amount, demonstrating that this CNS-nanofluid is a kind of promising functional filler to achieve robust epoxy composites, and thus opening up new possibilities with great significance for epoxy composites in high-performance applications.

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Phase-microstructure-mechanical properties relationship of carbon fiber reinforced ionic liquid epoxy composites

Cited by 14 publications

References 25 publications

Analytical approaches to fiber-reinforced polymer composites: a short review

Analytical approaches to fiber-reinforced polymer composites: a short review

Ionic liquid‐functionalized reinforcements in epoxy‐based composites: A systematic review

A carbon nanosphere nanofluid for improving the toughness and thermal properties of epoxy composites

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