Properties of Second Life Carbon Fibre Reinforced Polymers

In this study different materials made out of cut-off as well as reclained carbon fibres (rCF) are described and compared. For this benchmark nonwovens, compounds, SMC, BMC, as well as standard lightweight materials like high alloy steels, aluminium and magnesium are taken into account. Specific mechanical properties like modulus and tensile strength are used to show the lightweight potential of recycled carbon fibre materials in ashby charts. It is shown that rCF products can substitute glass fibre applications and are also comparable to metals and alloys.

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Paper 18: Carbon-Fibre Reinforced Polymers as Self-Lubricating Materials

Proceedings of the Institution of Mechanical Engineers Conference Proceedings ◽

10.1243/pime_conf_1967_182_417_02 ◽

1967 ◽

Vol 182 (14) ◽

pp. 147-157 ◽

Cited By ~ 3

Author(s):

J. P. Giltrow ◽

J. K. Lancaster

Keyword(s):

Mechanical Properties ◽

Wear Rate ◽

Carbon Fibre ◽

Dry Sliding ◽

Fibre Reinforcement ◽

Reinforced Polymers ◽

Practical Applications ◽

Polymer Interface ◽

High Fibre ◽

Carbon Fibre Reinforced Polymers

An investigation of the friction, wear, and mechanical properties of polymers reinforced with different proportions of two types of carbon fibre is described. During dry sliding against steel, coefficients of friction of the composites lie within a common range of 0·25–0·35 at high fibre concentrations, and rates of wear can be reduced by factors of more than 103. Fibre reinforcement can also greatly improve the strength, stiffness, and deformation under load. The most important factor influencing the wear rate is the amount of fibre present: the strength is more dependent on adhesion at the fibre–polymer interface. The practical applications of carbon-fibre reinforced polymers are discussed.

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Thermal resistance of carbon fibres/carbon fibre reinforced polymers under stationary atmospheric conditions and varying exposure times

Waste Management ◽

10.1016/j.wasman.2018.12.027 ◽

2019 ◽

Vol 85 ◽

pp. 327-332 ◽

Cited By ~ 2

Author(s):

Mareen Zöllner ◽

Holger Lieberwirth ◽

Philipp Kempkes ◽

Ansgar Fendel

Keyword(s):

Thermal Resistance ◽

Carbon Fibre ◽

Carbon Fibres ◽

Atmospheric Conditions ◽

Reinforced Polymers ◽

Carbon Fibre Reinforced Polymers

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Inspection of Carbon Fibre Reinforced Polymers: 3D identification and quantification of components by X-ray CT

Applied Composite Materials ◽

10.1007/s10443-021-09976-x ◽

2021 ◽

Author(s):

E. Dilonardo ◽

M. Nacucchi ◽

F. De Pascalis ◽

M. Zarrelli ◽

C. Giannini

Keyword(s):

Carbon Fibre ◽

Polymer Matrix ◽

Test Method ◽

Carbon Fibres ◽

Acid Digestion ◽

Research Activity ◽

Reinforced Polymers ◽

X Ray ◽

Carbon Fibre Reinforced Polymers ◽

Identification And Quantification

AbstractIn this reported research activity, a quantitatively 3D characterization at microscale of a CFRP reference composite with controlled porosity was performed by micro X-ray CT (µXCT); the results were compared with the destructive acid digestion analyses, following the procedure reported in the standard test method (ASTM D 3171 15) used to determine the composites’ porosity in General Aviation (GA). The μXCT analyses revealed a pore content of 4.37%v and identified the components, respectively, in 66%w of carbon fibres and 34%w of matrix; all obtained results demonstrated a high correspondence to the theoretical values of porosity (5.0%v) and components (67%w of carbon fibre and 33%w of polymer matrix). Instead, a not complete correspondence of the measures obtained by acid digestion was reported: 4.36%v of porosity, but 57%w of carbon fibre and 43%w of matrix. Therefore, the conformity of the μXCT results to the theoretical values demonstrated the feasibility and distinctiveness of the proposed NDT method for a rapid and reliable inspection of CRFP components used in GA in substitution of the standard DT and time-consuming digestion procedure. The proposed NDT inspection technique permitted not only the individuation and visualization in the reconstruction of the 3D analysed material of different components (e.g. pores, carbon fibres and polymer matrix) but also the 3D evaluation of the material composition with the identification and quantification of each constituent element. Graphical abstract E. Dilonardo*, M. Nacucchi, F. De Pascalis, M. Zarrelli, and C. Giannini Inspection of Carbon Fibre Reinforced Polymers: 3D identification and quantification of components by X-ray CT

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Multi-Wall Carbon Nanotubes Chemically Grafted and Physically Adsorpted on Reinforcing Carbon Fibres

Advanced Composites Letters ◽

10.1177/096369350801700304 ◽

2008 ◽

Vol 17 (3) ◽

pp. 096369350801700 ◽

Cited By ~ 10

Author(s):

P. Karapappas ◽

S. Tsantzalis ◽

E. Fiamegou ◽

A. Vavouliotis ◽

K. Dassios ◽

...

Keyword(s):

Mechanical Properties ◽

Carbon Nanotubes ◽

Acid Solution ◽

Matrix Material ◽

Carbon Fibres ◽

Reinforced Polymers ◽

Reinforcing Effect ◽

Multi Wall Carbon Nanotubes ◽

The Matrix ◽

Carbon Fibre Reinforced Polymers

Carbon nanotubes (CNTs) because of their properties are alleged to be the key candidate additives for improving the mechanical properties of polymers and carbon fibre reinforced polymers (CFRPs). Nevertheless in order for the reinforcing effect of the nanotubes to be of practical use, the CNTs have to be mixed with the matrix material. In the current work an effort was made to chemically graft Multi-Wall Carbon Nanotubes (MWCNTs) on the actual reinforcing Carbon Fibres (CFs) in order to skip the sometimes complex mixing stage. Two different solutions were used in order to treat/prepare the CNTs; a) an acid solution of H2SO4/HNO3 and, b) a toluene solution. The treated CFs were added to each solution, sonic bathed with deionised water and then dried in an oven. The resulting CFs were examined under SEM and both the solutions used proved to be reasonable successful with further investigation/optimisation to be necessary.

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