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Tânia Soares, Carlos Fernandes, Cláudia Barbosa, Mário A. P. Vaz, Tiago Reis and Maria Helena Figueiral
Polyetheretherketone is a high-performance thermoplastic polymer that can be used in 3D printing by fused deposition modeling, and is a promising material for dental applications. Some printing parameters are sensitive and can influence the properties of...
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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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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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Jian-Xiong Gao, Fei Heng, Yi-Ping Yuan and Yuan-Yuan Liu
Fatigue damage accumulation will not only cause the degradation of material performance but also lead to the growth of effective stress and critical stiffness. However, the existing fatigue reliability models usually ignore the effective stress growth an...
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Christopher Hartmann, Julia Schweikert, François Cottier, Ute Israel, Jochen Gier and Jens von Wolfersdorf
Experimental results for the transient heat transfer characteristics over a flat plate and over a plate with V-shaped ribs were compared to numerical results from a coupling environment applying FEM and CFD. In order to simulate transient effects in the ...
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Yan Cui, Chong Li, Zenglou Li, Xiaojie Yao, Wenbo Hao, Songling Xing, Yuming Xie, Xiangchen Meng, Long Wan and Yongxian Huang
Despite wide applications in mechanical transmission components, sparked with extraordinary wear resistance, polymeric composites face the challenges of reinforcement agglomeration. In this work, deformation-driven processing was proposed to prepare carb...
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Pedro O. Santos, Gustavo P. Carmo, Ricardo J. Alves de Sousa, Fábio A. O. Fernandes and Mariusz Ptak
The human head is sometimes subjected to impact loads that lead to skull fracture or other injuries that require the removal of part of the skull, which is called craniectomy. Consequently, the removed portion is replaced using autologous bone or allopla...
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Christos V. Katsiropoulos, Spiros G. Pantelakis, Marco Barile and Leonardo Lecce
?he development of a novel hybrid thermoplastic prepreg material enabling the fabrication of next-generation recyclable composite aerostructures produced by affordable, automated technologies is presented in the present work. The new hybrid material is p...
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Yoon Hae Kwak, Hyoung-Taek Hong, Yong-Gon Koh and Kyoung-Tak Kang
This paper aimed to evaluate the biomechanical effects of tibial bearing materials, from ultra-high-molecular-weight polyethylene (UHMWPE) to poly-ether-ether-ketone (PEEK) and carbon-fiber-reinforced poly-ether-ether-ketone (CFR-PEEK). The studies 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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