Mechanical and tribological properties of CNTs coated aramid fiber-reinforced epoxy composites

Singh, Mayank; Dodla, Srihari; Gautam, R.K.

doi:10.1016/j.compositesa.2024.108061

Composites Part A: Applied Science and Manufacturing

2024

DOI: 10.1016/j.compositesa.2024.108061

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Mechanical and tribological properties of CNTs coated aramid fiber-reinforced epoxy composites

Mayank Singh,

Srihari Dodla,

R.K. Gautam

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2024

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Cited by 2 publications

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Enhanced interface electrical insulation of aramid‐reinforced resin composites via iron phthalocyanine self‐assembled structures on the surface of aramid

Xie,

Zhang,

Xia

et al. 2024

Polymer Composites

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Aramid fiber‐reinforced epoxy resin composites (AFRP) are the main components of electrical equipment such as GIS insulated tie rods, but the poor interfacial bonding between aramid fibers (AF) and epoxy resin (EP) results in a degradation of the material's insulating properties. In this paper, iron phthalocyanine (FePc) molecules are introduced on the AF surface, and the π‐π interaction effect between the metal phthalocyanine rings is used as a driving force to guide the spontaneous assembly of FePc into a three‐dimensional microstructure, and the effect of microstructures with different FePc contents on the insulating properties of AFRP interfaces is investigated. Combining a series of test simulation methods such as surface potential attenuation test, electric tree test, interlayer shear test, and molecular dynamics simulation, reveals the enhancement mechanism of the electrical insulation performance of the interface. The results show that FePc at four contents has an enhancement effect on the flashover voltage along the AF and the breakdown voltage at the AFRP interface, with a maximum enhancement of 25.63% for the flashover voltage and 232.23% for the breakdown voltage.Highlights Self‐assembled three‐dimensional structures on aramid surfaces were constructed via iron phthalocyanine molecules. The effects of self‐assembled structures on physicochemical properties are compared. Modifications substantially increase the breakdown voltage and flashover voltage. The mechanism of microstructure on interface breakdown voltage enhancement is revealed. The overall effect of multiple factors on insulation properties is analyzed.

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Enhanced interface electrical insulation of aramid‐reinforced resin composites via iron phthalocyanine self‐assembled structures on the surface of aramid

Xie,

Zhang,

Xia

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

Development and characterization of hybrid polymer composite materials with reinforcement of glass/carbon fibers for enhanced mechanical properties: an experimental and numerical approach

Singh,

Yadav,

Kumar

et al. 2024

The Journal of The Textile Institute

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Mechanical and tribological properties of CNTs coated aramid fiber-reinforced epoxy composites

Cited by 2 publications

References 58 publications

Enhanced interface electrical insulation of aramid‐reinforced resin composites via iron phthalocyanine self‐assembled structures on the surface of aramid

Enhanced interface electrical insulation of aramid‐reinforced resin composites via iron phthalocyanine self‐assembled structures on the surface of aramid

Development and characterization of hybrid polymer composite materials with reinforcement of glass/carbon fibers for enhanced mechanical properties: an experimental and numerical approach

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