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Carbon Fibre Composite - Astrophysics Data System

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Last Updated: 03 September 2022

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Recovery processes in magnesium alloy AX41 and AX41-12 vol.% C-fibre composite studied by dilatometry

The alloy and composite recovers in two steps during the first thermal cycle after compression deformation. Composites with fibers perpendicular to the sample axis are more noticeable than in composites with fibres parallel to the sample axis, which are not.

Source link: https://ui.adsabs.harvard.edu/abs/2009IJMR..100..413R/abstract


Thermo-physical properties of silver/carbon fibre composites

The Ag matrix composites were either by liquid metal infiltration or electroless deposition of the Ag matrix and subsequent hot pressing, as shown below.

Source link: https://ui.adsabs.harvard.edu/abs/2010IJMR..101.1105E/abstract


Artificial neural network for predicting the mechanical performance of additive manufacturing thermoset carbon fiber composite materials

Although additive manufacturing has drew significant attention in recent years to produce lightweight composite structures as in reinforced carbon fiber composites, it is still difficult to monitor fiber content within composites to ensure desired material properties, particularly at high loads of fibers. Therefore, a customized artificial neural network was developed in this work to determine the mechanical characteristics of 3D printing thermoset carbon fiber composites at any carbon fiber concentration. And when dealing with small experimental data, the developed ANN system was based on three model methods for predicting the bending stress and the thermoset carbon fiber composites' flexural modulus. This will help predict the success of such composites in 3D printing with very little experimental effort to fine tune the fiber content for the desired overall mechanical efficiency.

Source link: https://ui.adsabs.harvard.edu/abs/2022JMBM...31...54N/abstract


The compressive response of carbon fiber composite pyramidal truss sandwich cores

Using a snap-fitting technique, Pyramidal truss sandwich cores with relative densities in the range 1 to ten percent were made from carbon fiber reinforced polymer laminates. To prevent truss, a solid face-sheet/truss joint plan was developed, which resulted in a fractured face sheet node. Analytical methods for the breakdown of the composite cores by Euler bucking, delamination failure, and micro-buckling of the struts have been developed. Composite cellular materials with a pyramidal micro-structure are present in a feature of the strength versus density material property space, opening new possibilities for lightweight, high strength structural design.

Source link: https://ui.adsabs.harvard.edu/abs/2007IJMR...98.1264F/abstract


Preparation and characterization of boron nitride/carbon fiber composite with high specific surface area

Boron nitride can be used as a good catalyst carrier due to its high thermal conductivity and chemical stability. However, a high surface area of boron nitride is still desirable, but a narrowed surface area is also desirable. 96 m 2 g u22121 g, which was noticeably higher than conventional boron nitride composites, whose specific surface area was dramatically enhanced compared to conventional boron nitride composite resins.

Source link: https://ui.adsabs.harvard.edu/abs/2014IJMR..105..599S/abstract


Tensile damage mechanisms of carbon fiber composites at high temperature by acoustic emission and fully connected neural network

The tensile damage mechanism of carbon fiber composites at elevated temperatures is investigated in this paper. Based on k-means and the wavelet packet energy spectrum, acoustic emission signals at elevated and room temperatures were classified. The results show that the damage mechanisms at higher temperatures and room temperature differ. The acoustic emission characteristics were used under room temperature and high-temperature conditions in the fully connected neural network, with a success rate of 97. 5%.

Source link: https://ui.adsabs.harvard.edu/abs/2022MTest..64..893L/abstract


Microstructure-Based Thermochemical Ablation Model of Carbon/Carbon-Fiber Composites

The microstructure of carbon fiber-reinforced carbon composite composites has important effects on its ablation results, according to the ablation results. The experimental findings are in good agreement with the experimental findings. Ablation's growth rate and surface temperature predicted by this model are in good agreement with the experimental findings. Through numerical analysis, we discovered that the ablation rate of the material without carbon fibers is much higher than that of those fiber-containing carbon fibers. Due to the change in thermal conductivity, the ablation regression rate is influenced by the fiber orientation. The thermochemical ablation model gives a roadmap to the creation of superior anti-ablation carbon/carbon composites.

Source link: https://ui.adsabs.harvard.edu/abs/2022Mate...15.5695W/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