Results 91 to 100 of about 313,443 (301)

Characterization of carbon-nickel thermocouples integrated in textile fabrics [PDF]

open access: yes, 2019
In this paper, the characterization of textile-based thermoelectric generators made of carbon fibers (C) and nickel-coated carbon fibers (Ni) integrated into polyester fabrics is reported. We used carbon yarns inserted into a fabric.
De Mey, Gilbert   +4 more
core   +1 more source

Multiscale Structuring of Hydroxyapatite via Two‐Photon Lithography of Nanocomposites

open access: yesAdvanced Functional Materials, EarlyView.
Hydroxyapatite scaffolds are of great interest in bone tissue engineering applications, ranging from 3D cell culture to regenerative medicine. Using two‐photon lithography of a transparent nanocomposite, hydroxyapatite microstructures with features ranging from submicron to centimeter‐scale are fabricated. This allows to mimic the natural bone geometry,
Leonhard Hambitzer   +6 more
wiley   +1 more source

Effect of plastic drawing at high temperature on structure and properties of carbon fibers

open access: yesCailiao gongcheng
To further modify the mechanical properties and improve the electrical and thermal conductivity of polyacrylonitrile-based carbon fibers, the typical high-strength and high-modulus M40J carbon fibers are applied as raw material.
LI Shuang   +4 more
doaj   +1 more source

Secondary polymer layered impregnated tile [PDF]

open access: yes, 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.   +4 more
core   +1 more source

A new diamond biosensor with integrated graphitic microchannels for detecting quantal exocytic events from chromaffin cells

open access: yes, 2013
The quantal release of catecholamines from neuroendocrine cells is a key mechanism which has been investigated with a broad range of materials and devices, among which carbon-based materials such as carbon fibers, diamond-like carbon, carbon nanotubes ...
Carabelli, Valentina   +6 more
core   +1 more source

Ti3SiC2-Cf composites by spark plasma sintering: Processing, microstructure and thermo-mechanical properties [PDF]

open access: yes, 2019
MAX phases, and particularly Ti3SiC2, are interesting for high temperature applications. The addition of carbon fibers can be used to reduce the density and to modify the properties of the matrix. This work presents the densification and characterization
Agote, I.   +8 more
core   +2 more sources

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

Lightweight piston architecture [PDF]

open access: yes, 1990
The invention is an improvement in a lightweight carbon-carbon composite piston, the improvement uses near-net shape knitted or warp-interlock preforms to improve the structural qualities of the piston.
Ransone, Philip O., Taylor, Allan H.
core   +1 more source

Condensed Multiwalled Carbon Nanotubes as Super Fibers

open access: yes, 2006
The ultra-low intershell shear strength in carbon nanotubes (CNTs) has been the primary obstacle to applications of CNTs as mechanical reinforcements. In this paper we propose a new CNT-system composed of comprising of coaxial cylindrical shells of sp2 ...
Ajayan   +34 more
core   +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

open access: yesAdvanced 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   +11 more
wiley   +1 more source

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