Results 61 to 70 of about 16,820 (310)

Research on Tribological Behavior of PEEK and Glass Fiber Reinforced PEEK Composite

Physics Procedia, 2013
AbstractThe tribological behaviors of pure polyetheretherketone (PEEK) and PEEK composites reinforced by 30wt% short glass fibers (GF) were comparatively evaluated on a ball-on-disc configuration at room temperature. The effects of applied load and sliding time on the friction coefficient and wear loss of the GF/PEEK were examined.
Li, E.Z., Guo, W.L., Wang, H.D., Xu, B.S., Liu, X.T.   +4 more
openaire   +1 more source

Raman Microscopy at the Organic–Inorganic Interfaces in Human Calcified Aortic Valves Shows the Co‐Existence of Whitlockite Crystals and Carbonated Hydroxyapatite‐Mineralized Collagen Fibrils

Advanced Functional Materials, EarlyView.
This study advances our understanding of aortic valve stenosis by capturing spatially resolved chemical and structural changes at the nanoscale. The findings highlight the potential of combined Raman and electron microscopy for understanding calcification mechanisms across diverse tissue types.
Robin H. M. Van der Meijden, Carolien T. A Kuster, Amber van Broekhoven, Raphaela Allgayer, Luco Rutten, Rona Roverts, Marta Cerruti, Elena Macías‐Sánchez, Jan Hein Cornel, Salloua el Messaoudi, Anat Akiva, Nico Sommerdijk   +11 more
wiley   +1 more source

Strategies for Loading and Releasing Peptide Therapeutics in Biodegradable Carriers

Advanced Functional Materials, EarlyView.
A biodegradable carrier‐based peptide delivery system is a powerful treatment platform for diverse diseases, owing to its superior therapeutic efficacy and low toxicity. This review examines the conventional peptide‐loaded carrier fabrication process and its current limitations.
Wookyoung Jang, Ki Wan Bong
wiley   +1 more source

Synergistically Improving the Thermal Conductivity and Mechanical Strength of PEEK/MWCNT Nanocomposites by Functionalizing the Matrix with Fluorene Groups

Advanced Materials Interfaces, 2023
Nanofiller reinforcement is an effective method to prepare high thermally conductive polymer‐matrix composites. However, the poor dispersion of nanofillers and high interfacial thermal resistance between the filler and matrix seriously affect the thermal
Zilong Jiang, Bo Jiang, Boyin Yang, Xin Liu, Yang Yang, Chunling Zhang, Yingshuang Shang, Haibo Zhang   +7 more
doaj   +1 more source

High Pressure Densification Investigation of Li3PS4 and Li6PS5Cl Solid Electrolytes using Combine X‐Ray Diffraction, X‐Ray Absorption Tomography and Ionic Measurement

Advanced Functional Materials, EarlyView.
We used multiple analytical techniques at the Psiché beamline, Synchrotron Soleil, and at D20 instrument in Institut Laue Langevin, to study the densification of thiophosphate solid electrolytes Li3PS4 and Li6PS5Cl. Our combined X‐ray diffraction, absorption tomography, absorption density, neutron power diffraction, and ionic conductivity analyses ...
Oskar Thompson, Ove Korjus, Adrien Fauchier‐Magnan, Clément Albin, Sergio F. Mayer, Emmanuelle Suard, Thomas Hansen, Laura Henry, Nicolas Guignot, Vittoria Pischedda, Sylvie Le Floch, Claire Villevieille   +11 more
wiley   +1 more source

A comparative study on fretting wear and frictional heating behavior of PEEK composites for artificial joint applications

Polymer Testing, 2022
Fretting wear becomes one of most concerning issues in the clinical applications of artificial joints. Polyetheretherketone (PEEK) and PEEK-based composites are promising alternative materials for polymer-on-metal joints.
Fei Shen, Liao-Liang Ke
doaj   +1 more source

Tribological Properties of Carbon/PEEK Composites [PDF]

International Journal of Ocean System Engineering, 2013
In this study, the effect of Carbon/PEEK composites on the tribological properties has been investigated. Also, its validity has been tested in the capacity of alternative materials of the Ti-based materials used for artificial hip joint. Moreover, this work evaluated the mechanical properties according to the fiber ply orientation, along with the ...
Sung-Won Yoon, Yun-Hae Kim, Jin-Woo Lee, Han-Bin Kim, Ri-Ichi Murakami   +4 more
openaire   +1 more source

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

Advanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen, Boris Rivkin, David Castellanos‐Robles, Ivan Soldatov, Lukas Beyer, Mariana Medina‐Sánchez   +5 more
wiley   +1 more source

Tribological Performance Study of Low-Friction PEEK Composites under Different Lubrication Conditions

Applied Sciences
This study introduces a low-friction composite based on PEEK to improve its friction and wear properties. The composite incorporates PTFE as a solid lubricant and utilizes PPTA as a reinforcing material within the PEEK matrix.
Shibo Wu, Zhijun Yan, Haocheng Sun, Ze Liu, Lixia Xue, Tao Sun   +5 more
doaj   +1 more source

Comparison of toughened composite laminates using NASA standard damage tolerance tests [PDF]

, 1984
The proposed application of composite materials to transport wing and fuselage structures prompted the search for tougher materials having improved resistance to impact damage and delamination.
Chapman, A. J., III, Obrien, T. K., Williams, J. G.   +2 more
core   +1 more source