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Stef Depuydt, Lucy Traub, Gilles Van Eygen, Santosh Kumar, Georg Held and Bart Van der Bruggen
In this work, homogeneous, thin-film proton exchange membranes (PEMs) with superior proton conductivities and high methanol rejection were fabricated via a facile synthesis procedure. Sulfonated polyether ether ketone (sPEEK) was crosslinked via a Friede...
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Kiho Nishihara, Kei-ichi Okuyama, Rafael Rodriguez and Isai Fajardo
In this study, we focus on 3D-printed PEEK/CFRTP (Carbon-Fiber-Reinforced Thermoplastic) and PEEK (Polyether Ether Ketone) materials as new space materials. In space, there are intense ultraviolet (UV) rays that are weakened by the atmosphere on Earth, s...
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Farhan Abdullah, Kei-ichi Okuyama, Akito Morimitsu and Naofumi Yamagata
The extreme heating environment during re-entry requires an efficient heat shield to protect a spacecraft. The current method of manufacturing a heat shield is labor intensive. The application of 3D printing can reduce cost and manufacturing time and imp...
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Farhan Abdullah, Kei-ichi Okuyama, Isai Fajardo and Naoya Urakami
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 pe...
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Theofanis S. Plagianakos, Kirsa Muñoz, Diego Saenz-Castillo, Maria Mora Mendias, Miguel Jiménez and Vasileios Prentzias
The effect of hot-wet storage aging on the mechanical response of a carbon fiber polyether ether ketone (PEEK)-matrix woven composite has been studied. A wide range of static loads and selected cyclic load tests on the interlaminar fatigue strength were ...
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Kijung Park, Gayeon Kim, Heena No, Hyun Woo Jeon and Gül E. Okudan Kremer
Fused filament fabrication (FFF) has been proven to be an effective additive manufacturing technique for carbon fiber reinforced polyether?ether?ketone (CFR-PEEK) due to its practicality in use. However, the relationships between the process parameters a...
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