scholarly journals Behaviour and damage of injected carbon-fibre-reinforced polyether ether ketone: From process to modelling

2016 ◽  
Vol 51 (2) ◽  
pp. 141-151
Author(s):  
F Berthet ◽  
F Lachaud ◽  
J Crevel ◽  
M-L Pastor
Keyword(s):  
Carbon Fibre ◽  
Micromechanical Model ◽  
Tensile Tests ◽  
Homogenization Theory ◽  
Polyether Ether Ketone ◽  
Macro Scale ◽  
Static Tensile ◽  
Ether Ketone ◽  
Scale Properties ◽  
Short Carbon

Short-carbon-fibre-reinforced polyether ether ketones are materials of great interest for the aeronautical industry. In this study, a design of experiment was carried out to understand the effect of process parameters on micro- and macro-scale properties of injection-moulded short-carbon-fibre-reinforced polyether ether ketone (90HMF40). Mould temperature was found to be the most significant parameter; it had a positive effect, essentially on failure stress and strain. Once the damage and plasticity scenarios were understood, a micromechanical model based on Mori–Tanaka homogenization theory was developed, featuring micro-damage and coupling with macro-plasticity. This model gave good predictions for quasi-static tensile tests.

The effects of adding carbon nanotubes to the mechanical and tribological properties of a carbon fibre reinforced polyether ether ketone composite

2009 ◽  
Vol 223 (11) ◽  
pp. 2501-2507 ◽  
Author(s):  
J Li ◽  
L Q Zhang
Keyword(s):  
Carbon Nanotubes ◽  
Wear Resistance ◽  
Carbon Fibre ◽  
Vinyl Ester ◽  
High Wear Resistance ◽  
Compression Moulding ◽  
Mechanical And Tribological Properties ◽  
Polyether Ether Ketone ◽  
Carbon Nano Tubes ◽  
Ether Ketone

The main objective of this article is to develop a high wear resistance carbon fibre (CF)-reinforced polyether ether ketone composite with the addition of multi-wall carbon nano-tubes (MWCNT). These compounds were well mixed in a Haake batch mixer and compounded polymers were fabricated into sheets of known thickness by compression moulding. Samples were tested for wear resistance with respect to different concentrations of fillers. Wear resistance of a composite with 20 wt% of CF increases when MWCNT was introduced. The worn surface features have been examined using a scanning electron microscope (SEM). Photomicrographs of the worn surfaces revealed higher wear resistance with the addition of carbon nanotubes. Also better interfacial adhesion between carbon and vinyl ester in a carbon-reinforced vinyl ester composite was observed.

scholarly journals In Situ Measurement of Carbon Fibre/Polyether Ether Ketone Thermal Expansion in Low Earth Orbit

Aerospace ◽  
2020 ◽  
Vol 7 (4) ◽  
pp. 35 ◽  
Author(s):  
Farhan Abdullah ◽  
Kei-ichi Okuyama ◽  
Isai Fajardo ◽  
Naoya Urakami
Keyword(s):  
Thermal Expansion ◽  
Carbon Fibre ◽  
Material Science ◽  
Low Earth Orbit ◽  
Earth Orbit ◽  
Small Satellite ◽  
Polyether Ether Ketone ◽  
Ether Ketone ◽  
Orbit Data

The low Earth orbit (LEO) environment exposes spacecraft to factors that can degrade the dimensional stability of the structure. Carbon Fibre/Polyether Ether Ketone (CF/PEEK) can limit such degradations. However, there are limited in-orbit data on the performance of CF/PEEK. Usage of small satellite as material science research platform can address such limitations. This paper discusses the design of a material science experiment termed material mission (MM) onboard Ten-Koh satellite, which allows in situ measurements of coefficient of thermal expansion (CTE) for CF/PEEK samples in LEO. Results from ground tests before launch demonstrated the feasibility of the MM design. Analysis of in-orbit data indicated that the CTE values exhibit a non-linear temperature dependence, and there was no shift in CTE values after four months. The acquired in-orbit data was consistent with previous ground tests and in-orbit data. The MM experiment provides data to verify the ground test of CF/PEEK performance in LEO. MM also proved the potential of small satellite as a platform for conducting meaningful material science experiments.

scholarly journals Flexural Behavior and Fracture Mechanisms of Short Carbon Fiber Reinforced Polyether-Ether-Ketone Composites at Various Ambient Temperatures

Polymers ◽  
2018 ◽  
Vol 11 (1) ◽  
pp. 18 ◽  
Author(s):  
Bing Zheng ◽  
Tianzhengxiong Deng ◽  
Maoyuan Li ◽  
Zhigao Huang ◽  
Huamin Zhou ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
Shear Crack ◽  
Flexural Behavior ◽  
Fracture Mechanisms ◽  
Tension Crack ◽  
Short Carbon Fiber ◽  
Ambient Temperatures ◽  
Polyether Ether Ketone ◽  
Ether Ketone ◽  
Short Carbon

In this study, the flexural behavior and fracture mechanisms of short carbon fiber reinforced polyether-ether-ketone (SCFR/PEEK) composites at various ambient temperatures were investigated. First, the crystallinity and glass transition temperature (Tg) of PEEK and SCFR/PEEK were analyzed by differential scanning calorimetry analysis and dynamic mechanical analysis tests, respectively. The addition of SCFs increases the Tg but does not change the crystallinity of the PEEK matrix. Then, the three-point flexural tests of PEEK and SCFR/PEEK were performed over the temperature range of 20 to 235 °C, and the temperature-dependencies of the flexural properties of PEEK and SCFR/PEEK were discussed in detail. Finally, the microstructure of SCFR/PEEK was observed using a digital microscope and scanning electron microscope. The results show that the tension crack occurs first, and the crack extends upward leading to the shear crack and compression crack at room temperature. The fracture of SCFR/PEEK is mainly due to the extraction and rupture of SCFs. At high temperatures (above Tg), the tension crack and compression crack both occur, and the strong ductility of the matrix prevents the generation of shear crack. The fracture of SCFR/PEEK is mainly due to the rotation and extraction of SCFs, while the SCFs rupture plays a minor role.

scholarly journals Carbon fibre/polyether ether ketone (CF/PEEK) implants in orthopaedic oncology

2018 ◽  
Vol 16 (1) ◽  
Author(s):  
Christoph J. Laux ◽  
Sandro M. Hodel ◽  
Mazda Farshad ◽  
Daniel A. Müller
Keyword(s):  
Carbon Fibre ◽  
Orthopaedic Oncology ◽  
Polyether Ether Ketone ◽  
Ether Ketone

The environmental fatigue behaviour of carbon fibre reinforced polyether ether ketone

1985 ◽  
Vol 20 (1) ◽  
pp. 60-70 ◽  
Author(s):  
R. F. Dickson ◽  
C. J. Jones ◽  
B. Harris ◽  
D. C. Leach ◽  
D. R. Moore
Keyword(s):  
Carbon Fibre ◽  
Fatigue Behaviour ◽  
Polyether Ether Ketone ◽  
Ether Ketone
Sign in / Sign up

Export Citation Format

Share Document