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Carbon Fiber Epoxy - Astrophysics Data System

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Last Updated: 25 August 2022

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Study of Effect of Carbon nanotube on Tensile, Impact and Flexural properties of Carbon fibre/epoxy reinforcement polymer

This work is concerned with the production and experimental studies of Carbon fiber Reinforcement Polymers' mechanical properties, as well as Carbon Nanotubes as additives. Due to their high mechanical stability, toughness to weight ratio, and damage resistance, high-performance polymeric composite composites are a viable alternative to conventional materials. The present study investigates the mechanical properties of CNT enhanced CFRP's added CFRP's added CFRP's and compares it to the CFRP alone. The experimental research found that samples of carbon reinforced composites added to CNT by hand lay-up process and their morphological characteristics, such as tensile strength, flexural strength, and impact strength are investigated by the experimental research.

Source link: https://ui.adsabs.harvard.edu/abs/2022MS&E.1248a2088P/abstract


Polyaniline and graphene nanocomposites for enhancing the interlaminar fracture toughness and thermo-mechanical properties of carbon fiber/epoxy composites

Delamination is one of the primary problems for carbon fiber reinforced polymer composites. Polyaniline coated graphene nanoplatelets were introduced in the interlaminar area of CFRP pre-preg with the support of an environmentally friendly thermoplastic polymer, polyvinylpyrrolidone. Using a double cantilever beam test, the fracture toughness improvements are investigated. With the addition of 5 wt% GNP with respect to PVP, an improvement of approximately 79% in mode-I fracture toughness is seen.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220709500L/abstract


Electrical and thermal characteristics of MWCNTs modified carbon fiber/epoxy composite films

Carbon fibers were modified with multiwall carbon nanotubes to enhance interfacial bonding between carbon fibers and epoxy matrix by the dip- coating process. A better interface bonding between the fiber and the matrix of composites shows a cleaner interface bonding between the fiber and the matrix of modified composites than those of unmodified composite. Compared to neat epoxy and CF/Ep composites, the loss factor curve of CF-MWCNTs/Ep composites is the narrowest, although it does show that the length distribution range of molecular chain segments in the matrix is the narrowest. Through the establishment of conducting paths in the matrix, MWCNTs' use to change the surface of carbon fiber resulted in a substantial number of junctions among MWCNTs, resulting in an increase in the electrical and thermal conductivity. The strong link between CF and MWCNTs can inhibit small molecules diffusion at high temperatures, resulting in the improved thermal stability of the modified CF/Ep composite.

Source link: https://ui.adsabs.harvard.edu/abs/2019MatSP..37..622K/abstract


Inhibiting the Oxygen Reduction Reaction Kinetics on Carbon Fiber Epoxy Composites Through Diazonium Surface Modification-Impacts on the Galvanic Corrosion of Coupled Aluminum Alloys

In naturally aerated 0. 5 M Na 2 SO 4, the effect of diazonium surface pretreatment on oxygen reduction reactionkinetics was determined by determining the voltametric curves for dissolved oxygen reduction on oxygen reduction reaction kinetics. When joining with a surface treated composite, the adlayers are stable during a 7-day continuous neutral salt spray exposure, and the amount of galvanic corrosion on trivalent chromium process conversion-coated aluminum alloys is greatly reduced. The organic adlayers also reduced the amount of carbon corrosion and microstructural degradation of carbon fibers.

Source link: https://ui.adsabs.harvard.edu/abs/2022JElS..169g1501D/abstract


Radiation and lead nanoparticles effects on the mechanical properties of unidirectional carbon fiber/epoxy composites

This paper explores the effects of two specific parameters on carbon fiber-epoxy composites' mechanical properties. The composite's gamma radiation exposure in different doses and the incorporation of lead nanoparticles with different weight percentages in the epoxy matrix are two of the composite's key parameters. Unidirectional carbon fiber-epoxy composites are made using the hand layup vacuum bagging process, and they are identified by tensile tests and a scanning electron microscope. The first part of the investigation involves the manufacture of composite laminates with different lead nanoparticle percentages, namely, 0wt%, 1wt%, 2wt%, 3wt%, 4wt%, and 5wt%. Composite composites with lead nanoparticles up to 3wt% have monotonically improved tensile strength and Young's modulus without losing their ductility, according to the study. Composite specimens are exposed to different doses of gamma radiation, namely 0, 25, 50, 75, and 100 kGy for the second part of the study.

Source link: https://ui.adsabs.harvard.edu/abs/2022JCoMa..56.2653A/abstract


Effect of Halloysite Nanotubes on Matrix Microcracking in Carbon Fiber/Epoxy Composites

The gas permeation in linerless pressure vessels and storage tanks is believed to be the primary reason for the gas permeation. At a 5% addition of HNTs to the epoxy matrix, a 50% rise in the cracking onset stress was discovered. As an alternative to hold the viscosity suitable for the filament winding process and to minimize the rise in viscosity by HNT incorporation, a reactive diluent was used as a substitute. Despite the fact that the matrix fracture toughness of HNTs increased to 10% of HNTs, no improvement in the microcrack resistance was found at more than 5% of HNTs.

Source link: https://ui.adsabs.harvard.edu/abs/2022MCM....58..293C/abstract


X-ray nanoimaging of a transversely embedded carbon fiber in epoxy matrix under static and cyclic loads

For carbon fiber reinforced plastics, the first stage of fatigue failure has not been particularly addressed. Although the initiation of fatigue cracks has been considered to be interfacial debonding between the carbon fiber and polymer matrix, their detection in many carbon fibers, which diameters are only 7 billion kilometers, is extremely difficult. Switching between an absorption-contrast projection method and a phase-contrast imaging-type X-ray multiscale CT imaging was carried out by comparing between an absorption-contrast projection scheme and a phase-contrast imaging-type X-ray microscopic CT of the SR X-ray multiscale CT image was carried out. The interfacial debonding under 30 MPa static tensile load and the implication of nano-void coalescence along the interface under 50 MPa were clearly demonstrated by Nano-CT.

Source link: https://ui.adsabs.harvard.edu/abs/2022NatSR..12.8843T/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions