Results 21 to 30 of about 377,284 (340)

Assessment of the environmental toxicity and carcinogenicity of tungsten-based shot. [PDF]

open access: yes, 2009
The toxicity of elemental tungsten released from discharged shot was assessed against previous studies that established a 1% toxic threshold for soil organisms.
Harrison, Paul T. C.   +2 more
core   +1 more source

Experimental Study on Dust Removal Performance of Electrostatic Water Film Cyclone Dust Collector

open access: yesInternational Journal of Rotating Machinery, 2023
Due to their limitations, conventional electric and water film dust removal methods struggle to handle fine dust. This study presented information on and examined the electrostatic water film cyclone dust collector (EWFCDC). By using the variable control
Di Zhang   +3 more
doaj   +1 more source

Growth of WC-Cr-N and WC-Al-N coatings in a RF-magnetron sputtering process [PDF]

open access: yes, 2012
Tungsten carbide-based coatings have been used in a wide variety of industrial applications such as high speed cutting tools, extrusion dies, drills, aerospace industries, and more.
IMHOFF, Luc   +5 more
core   +4 more sources

Simulation of collision of dust nanoparticles with graphite wall using LAMMPS code [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2021
In the present work, we have simulated the collision of dust nanoparticles with graphite wall using LAMMPS code, based on the molecular dynamics method.
M. Bakhtiyari Ramezani   +2 more
doaj   +1 more source

Tungsten speciation and its geochemical behavior in geothermal water: A review [PDF]

open access: yesE3S Web of Conferences, 2019
Tungsten and most of its compounds remain one of the least regulated substances. As the potential toxicity of tungsten has been reported, the stereotypes about tungsten are gradually being broken.
Cao Yaowu, Guo Qinghai
doaj   +1 more source

Deuterium retention in tungsten fiber-reinforced tungsten composites [PDF]

open access: yesNuclear Materials and Energy, 2021
In future fusion reactors, plasma-facing materials (PFMs) have to withstand unique conditions such as high temperatures, ion and neutron irradiation. Tungsten (W) has been established as main candidate material due to its favorable properties regarding the fusion environment but brings one major challenge: Its brittleness at moderate temperatures can ...
Armin Manhard   +15 more
openaire   +6 more sources

OVERVIEW OF THE GLOBAL TUNGSTEN MARKET. PART 2. COMMODITY FLOWS OF RAW TUNGSTEN PRODUCTS

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2023
Link for citation: Boyarko G.Yu. Overview of the global tungsten market. Part 2. Commodity flows of raw tungsten products. Bulletin of the Tomsk Polytechnic University. Geo Аssets Engineering, 2023, vol. 334, no. 5, рр.37-53. In Rus.
Grigory Yu. Boyarko
doaj   +1 more source

Recent Advances in the Utilization of Tungsten Residue: A Mini Review of China

open access: yesMetals, 2023
As a metal of strategic value, tungsten plays an important part in civil and military applications. Currently, China is the biggest tungsten producer all over the world, and the metallic smelting technologies for tungsten are well established.
Pan Deng   +4 more
doaj   +1 more source

Tungsten and barium transport in the internal plasma of hollow cathodes [PDF]

open access: yes, 2008
The effect of tungsten erosion, transport, and redeposition on the operation of dispenser hollow cathodes was investigated in detailed examinations of the discharge cathode inserts from 8200 h and 30 352 h ion engine wear tests.
Capece, Angela M.   +3 more
core   +1 more source

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