Results 21 to 30 of about 25,996 (264)

A New Method for Tungsten Oxide Nanopowder Deposition on Carbon-Fiber-Reinforced Polymer Composites for X-ray Attenuation

open access: yesNanomaterials, 2023
A new method for the synthesis and deposition of tungsten oxide nanopowders directly on the surface of a carbon-fiber-reinforced polymer composite (CFRP) is presented.
Marian Mogildea   +12 more
doaj   +1 more source

Preparation and characterization of Cr-doped tungsten oxide by liquid-liquid doping precursor

open access: yesMaterials Research Express, 2021
The tungsten oxides with uniformly grain growth inhibitor elements can significantly improve the distribution of inhibitors in the subsequent WC powders, and finally enhanced the properties of ultra-fine grained cemented carbides.
Xu Guozuan   +5 more
doaj   +1 more source

Thermomechanical properties of amorphous metallic tungsten-oxygen and tungsten-oxide coatings

open access: yesMaterials & Design, 2019
Metallic amorphous tungsten-oxygen and amorphous tungsten-oxide films, deposited by Pulsed Laser Deposition, are characterized. The correlation is investigated between morphology, composition, and structure, measured by various techniques, and the ...
E. Besozzi   +5 more
doaj   +1 more source

THE OXIDES OF TUNGSTEN.1 [PDF]

open access: yesJournal of the American Chemical Society, 1897
n ...
openaire   +1 more source

Effect of multi-component rare earth oxide on microstructure and properties of tungsten electrodes

open access: yesFenmo yejin jishu
Pure tungsten (PW), lanthanum-tungsten alloy (W-La17), and ternary composite tungsten alloy (W-X17) rods were prepared by cold isostatic pressing, intermediate frequency sintering, and swaging. The effect of rare earth oxide on the microstructure, second-
WANG Chengyang   +5 more
doaj   +1 more source

Comparative Study of the Antimicrobial Effects of Tungsten Nanoparticles and Tungsten Nanocomposite Fibres on Hospital Acquired Bacterial and Viral Pathogens

open access: yesNanomaterials, 2020
A significant proportion of patients acquire hospital associated infections as a result of care within the NHS each year. Numerous antimicrobial strategies, such as antibiotics and surface modifications to medical facilities and instruments, have been ...
Rupy Kaur Matharu   +3 more
doaj   +1 more source

Investigating the method of tungsten leaching from hydrocracking catalyst HC-102 W/Ni/Al2O3/SiO2

open access: yesResults in Engineering
This study investigates the process of extracting tungsten from used hydrocracking catalyst (specifically model 102-HC W/Ni/Al2O3, SiO2), and provides valuable insights into the efficient recycling of tungsten from secondary sources. Tungsten samples are
Mohammad Reza Borhani, Fareed Kermani
doaj   +1 more source

Photo-Oxidation of Water Using Nanocrystalline Tungsten Oxide under Visible Light

open access: yesInternational Journal of Photoenergy, 2008
The photoelectrolysis of water to yield hydrogen and oxygen using visible light has enormous potential for solar energy harvesting if suitable photoelectrode materials can be developed.
J. W. J. Hamilton   +3 more
doaj   +1 more source

Processing of complex near-net-shaped tungsten parts by PIM

open access: yesNuclear Materials and Energy, 2018
Powder Injection molding (PIM) as near-net-shape technology allows the effective mass fabrication of complex tungsten parts. Depending on the size and shape of the parts, for simple geometries only 20 s needed to produce a part.
Steffen Antusch   +5 more
doaj   +1 more source

Effect of Secondary Reduction of Tungsten Powder on the Properties of W-Ni-Fe Alloy Fabricated by Spark Plasma Sintering [PDF]

open access: yesJournal of Advanced Materials in Engineering
Introduction and Objective: The aim of this research is to investigate the effect of secondary tungsten powder reduction on the physical and mechanical properties of tungsten heavy alloys (WHAs) consolidated by the spark plasma sintering (SPS) method ...
Mohammad Hosein Kaveh   +2 more
doaj   +1 more source

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