Results 51 to 60 of about 100,855 (336)

Unidirectional Tape‐Based Composites from Hemp and Pineapple Leaf Fiber: Mechanical Performance in Conventional and Bio‐Based Matrices

Advanced Engineering Materials, EarlyView.
The study investigates novel semi‐finished products made of unidirectionally arranged hemp or pineapple leaf fiber‐reinforced composites produced from different matrices. The materials are analyzed in terms of their mechanical and interfacial properties and void content.
Nina Graupner, Raja Bade, Valentin Ackermann, Roja M. Baumann, Corvin Bischoff, Jona F. Ebeling, Oskar Glenz, Marlo Groh, Jonathan Groth, Finja Hiller, Tom Hirschmüller, Felix Menke, Syntcha Ngantchou Lecdou, Mika Ohler, Daniel Rafii Vardiny, Darius Richter, Dario Röper, Henrik Schumacher, Theresa Stein, Benjamin Vorbeck, Elisabeth Wermter, Kay Kölzig, Jörg Müssig   +22 more
wiley   +1 more source

Medium-term results of transcatheter implantation of MedLab-CT aortic valve prosthesis

Российский кардиологический журнал, 2019
Aim. To assess the clinical and hemodynamic results of transcatheter aortic valve replacement with the MedLab-CT prosthesis.Material and methods. MedLab-CT is the first Russian transcatheter implantable cardiac valve prosthesis.
V. V. Bazylev, A. B. Voevodin, A. S. Shalygina   +2 more
doaj   +1 more source

A Complication of Diaphragm Repair Using a Gore-Tex (Expanded Polytetrafluorethylene) Membrane: A Case Report

Journal of Chest Surgery, 2022
A 65-year-old man underwent right trisectionectomy of the liver and reconstruction of the chest wall and diaphragm with a 2-mm Gore-Tex membrane due to recurrent hepatocellular carcinoma.
Seungwook Lee, Sung Yeon Hong, Jung A Son, Seungji Hyun, Seokjin Haam   +4 more
doaj   +1 more source

Fractography can be used to analyze failure modes in polytetrafluoroethylene [PDF]

, 1969
Fractographic principles used for analyzing failure in metals are applied to the analysis of the microstructure and fracture of polytetrafluoroethylene.
Nerren, B. H.
core   +1 more source

Synergistic Formation of Radicals by Irradiation with Both Vacuum Ultraviolet and Atomic Hydrogen: A Real-Time In Situ Electron Spin Resonance Study

, 2012
We report on the surface modification of polytetrafluoroethylene (PTFE) as an example of soft- and bio-materials that occur under plasma discharge by kinetics analysis of radical formation using in situ real-time electron spin resonance (ESR ...
Akihiko Kono, Carbone E. A. D., Clark D. T., Fridman A., Haupt M., Hideo Horibe, Hiroki Kondo, Ishikawa K., Ishikawa K., Ishikawa K., Keigo Takeda, Kenji Ishikawa, Kuzuya M., Lieberman M. A., Makoto Sekine, Masaru Hori, Milella A., Moon C. S., Murata T., Nagayama K., Naoya Sumi, Oshima A., Oshima A., Rasoul F. A., Uchida. S., Vandencasteele N., Vandencasteele N., Westenberg A. A., Westenberg A. A., Yamasaki S., Yamazaki Y., Yamazaki Y., Yamazaki Y., Yamazaki Y., Yoon T. P., Yuan H., Zettsu N.   +36 more
core   +1 more source

Formation and characterization of polytetrafluoroethylene nanofiber membranes for high-efficiency fine particulate filtration

RSC Advances, 2019
Polytetrafluoroethylene (PTFE) porous membranes are widely used for high-temperature filtration. The polytetrafluoroethylene nanofiber membranes for fine particulate filtration were prepared by sintering the precursor electrospun polytetrafluoroethylene ...
Huan Xu, W. Jin, Feng Wang, Guojin Liu, Chengcai Li, Jieqi Wang, Hailin Zhu, Yuhai Guo   +7 more
semanticscholar   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

Advanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund, Arthur Schulz, Peter Lunkenheimer, Maryana Kraft, Thomas Bergler, Harald Oberhofer, Dirk Volkmer   +6 more
wiley   +1 more source

Bearings use dry self-lubricating cage materials [PDF]

, 1968
Rolling element bearings in spacecraft mechanical systems use solid lubricant composites of polytetrafluoroethylene in the bearing cage which functions as the lubricant reservoir. The cage spaces the rolling elements equally and provides the lubricant at
Anderson, W. J., Glenn, D. C., Scribbe, H. W.   +2 more
core   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Combustion characteristics of Al/PTFE materials with different microstructures

Materials Research Express
The microstructures play a crucial role in the combustion of aluminum/polytetrafluoroethylene (Al/PTFE) materials. Mechanically activated Al/PTFE typically demonstrates higher reactivity but a lower combustion rate compared to physically mixed Al/PTFE ...
Hang Zhou, Jianwei Zhen, Huijuan Ma, Shiguo Du   +3 more
doaj   +1 more source