Results 131 to 140 of about 352,140 (385)

Structure and growth process of vapor-grown carbon fibers [PDF]

The structure, effect of heat, and growth process of vapor-grown carbon fibers are investigated. The growth process of the carbon fibers could be divided into three stages; nucleation, elongation, and thickening processes. Also, a multi-layered structure
Endo, M., Koyama, T.
core   +1 more source

Secondary polymer layered impregnated tile [PDF]

, 2005
A low density organic polymer impregnated preformed fibrous ceramic article includes a plurality of layers. A front layer includes ceramic fibers or carbon fibers or combinations of ceramic fibers and carbon fibers, and is impregnated with an effective ...
Carroll, Joseph A., Hsu, Ming-ta S., Rasky, Daniel J., Szalai, Christine E., Tran, Huy K.   +4 more
core   +1 more source

The effect of longitudinal debonding on stress redistributions around fiber breaks: Incorporating fiber diameter distribution and fiber misalignment [PDF]

arXiv
This research explores the influence of interfacial debonding between a broken fiber and matrix on stress redistribution surrounding a fiber break within a unidirectional (UD) impregnated fiber bundle, accounting for misalignment of fibers and fiber diameter distribution in randomly packed fiber configurations.
arxiv  

Atomistic scale analysis of the carbonization process for C/H/O/N-based polymers with the ReaxFF reactive force field [PDF]

arXiv, 2019
During the carbonization process of raw polymer precursors, graphitic structures can evolve. The presence of these graphitic structures affects mechanical properties of the carbonized carbon fibers. To gain a better understanding of the chemistry behind the evolution of these structures, we performed atomistic scale simulations using the ReaxFF ...
arxiv  

Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO2‐to‐Formate Conversion

Advanced Functional Materials, EarlyView.
A coordination polymer [Pb(tadt)]n prepared by a microwave‐assisted solvothermal method selectively reduces CO2 into formate under visible light with a high apparent quantum yield of ≈25% at 400 nm. It can function as a pre‐catalyst, along with conductive Ketjen Black, to form an active PbCO3/Pb3(CO3)2(OH)2 mixture that exhibits a high Faradaic ...
Chomponoot Suppaso, Ryosuke Nakazato, Shoko Nakahata, Yoshinobu Kamakura, Fumitaka Ishiwari, Akinori Saeki, Daisuke Tanaka, Kazuhide Kamiya, Kazuhiko Maeda   +8 more
wiley   +1 more source

Small-angle x-ray scattering analysis of carbon fiber voids considering void length distribution

Carbon Trends
The analysis method proposed by Ruland et al. is widely used to analyze the void lengths in carbon fibers, but it could not apply to mesophase pitch-based carbon fibers.
Daisuke Kimura, Masahiko Demura, Kenji Nagata, Toshihira Irisawa, Yoshiki Sugimoto, Wataru Takarada, Masatoshi Shioya   +6 more
doaj  

Non-Destructive Acoustic Test (NDAT) to Determine Elastic Modulus of Polymeric Composites [PDF]

arXiv, 2017
In this paper, three different fiber polyester composites (glass fiber, carbon fiber and hemp fiber) were separately prepared via pultrusion method. Then, a Non Destructive Acoustic Test (NDAT) based on longitudinal free vibration was utilized to measure viscoelastic properties of resultant composites.
arxiv  

Internal Temperature Evolution Metrology and Analytics in Li‐Ion Cells

Advanced Functional Materials, EarlyView.
This study investigates the non‐linear evolution of internal temperatures across diverse operating conditions, highlighting the disparities between internal and external measurements and the resulting thermal asymmetries. The coupled thermo‐electrochemical modeling framework provides a comprehensive analysis of various heat generation modes, examining ...
Anuththara S. J. Alujjage, Bairav S. Vishnugopi, Avijit Karmakar, David P. Magee, Yevgen Barsukov, Partha P. Mukherjee   +5 more
wiley   +1 more source

Conducting Polymer Microelectrode Arrays for Simultaneous Electrophysiology and Advanced Brain Imaging

Advanced Functional Materials, EarlyView.
A flexible micro‐electrocorticography array with PEDOT:SS electrodes is shown to be compatible with ultra‐high magnetic field MRI up to 9.4 T. Multimodal brain monitoring is demonstrated by performing simultaneous blood oxygen level‐dependent functional MRI in parallel with electrophysiology.
Sagnik Middya, Alejandro Carnicer‐Lombarte, Stephen Sawiak, Sam Hilton, Vincenzo F Curto, Damiano G Barone, Gabriele S Kaminski Schierle, George G Malliaras   +7 more
wiley   +1 more source

Bioresorbable and Wireless Rechargeable Implanted Na‐ion Battery for Temporary Medical Devices

Advanced Functional Materials, EarlyView.
An all‐solid‐state bioresorbable Na‐ion battery is developed, composed entirely of bio‐eliminable materials. In vivo and ex vivo tests confirmed harmless disintegration of this implanted battery. Lifetime of the implanted battery can be precisely controlled by adjusting the dissolvable encapsulation layer's thickness.
Vedi Kuyil Azhagan Muniraj, Bincy Lathakumary Vijayan, Hussien Hammoud, Roger Delattre, Marc Ramuz, Eve Djenizian, Eleonora Vandini, Daniela Giuliani, Thierry Djenizian   +8 more
wiley   +1 more source