Tailoring ultra-strong nanocrystalline tungsten nanofoams by reverse phase dissolution
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2019.10.030
Abstract: Abstract Bulk nanoporous tungsten as an extremely strong and low density nanocrystalline material was for the first time created to satisfy the need for advanced high performance materials that can endure harsh environments. Synthesis of… read more here.
Keywords: nanoporous tungsten; phase; tungsten; dissolution ... See more keywords
Damage and melting of ITER-like flat-type tungsten castellated blocks exposed to long pulse H-mode plasmas
Sign Up to like & getrecommendations! Published in 2018 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2018.05.046
Abstract: Abstract Damage and melting of ITER-like tungsten castellated blocks – made of tungsten top layer, copper inter-layer, copper alloy base (CuCrZr) – exposed to long pulse H-mode plasmas were investigated. Since the blocks were not… read more here.
Keywords: layer; tungsten; copper; long pulse ... See more keywords
Emissivity measurement of tungsten plasma facing components of the WEST tokamak
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.111328
Abstract: Abstract Since tungsten (W) has been selected as material for the ITER divertor target the knowledge of the emissivity in the infrared (IR) wavelength range becomes mandatory. A dedicated setup has been developed to measure… read more here.
Keywords: emissivity; tungsten; emissivity measurement; plasma facing ... See more keywords
Syntheses, characterizations, and reactivities of new 1,4,7-trimethyl-l,4,7-triazacyclononane (Me3tacn) molybdenum and tungsten complexes
Sign Up to like & getrecommendations! Published in 2020 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2020.119599
Abstract: Abstract The reported complexes of [(Me3tacn)M0(CO)3] (Me3tacn = 1,4,7-trimethyl-1,4,7-triazacyclononane; M = W, 1a; Mo, 1b), [(Me3tacn)MII(CO)3I](PF6) (M = W, 2a; Mo, 2b), [(Me3tacn)MVOCl2](PF6) (M = W, 3a; Mo, 3b), and [(Me3tacn)MVIO3]·4H2O (M = W, 4a; Mo, 4b) were synthesized as tungsten and molybdenum precursors according… read more here.
Keywords: triazacyclononane me3tacn; tungsten; trimethyl triazacyclononane; molybdenum tungsten ... See more keywords
Tungsten cathode-arc plasma-weld pool interaction in the magnetically rotated or deflected gas tungsten arc welding configuration
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2018.01.026
Abstract: Abstract The gas tungsten arc welding (GTAW) arc and weld pool are theoretically and experimentally determined to be rotated or deflected with an extra magnetic field (EMF). The configurations of variational GTAW with respectively extra… read more here.
Keywords: tungsten; arc welding; gas tungsten; weld pool ... See more keywords
Hydrogen permeability of non-stoichiometric tungsten oxides
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2021.152860
Abstract: This paper presents results from an investigation of the permeation rate of gaseous hydrogen through a double-layer membrane by the classic gas accumulation method at 400 °C. Dense 8-micrometer thick tungsten films were grown on… read more here.
Keywords: permeation; non stoichiometric; hydrogen permeability; tungsten ... See more keywords
Cation Disorder in Ferroelectric Ba4M2Nb10O30 (M = Na, K, and Rb) Tetragonal Tungsten Bronzes
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic Chemistry"
DOI: 10.1021/acs.inorgchem.2c02266
Abstract: The crystal structure of tetragonal tungsten bronzes, with the general formula A12A24C4B12B28O30, is flexible both from a chemical and structural viewpoint, resulting in a multitude of compositions. The A1 and A2 lattice sites, with different… read more here.
Keywords: tetragonal tungsten; tungsten; tungsten bronzes; ba4m2nb10o30 ... See more keywords
Tris(phosphaalkyne)tungsten Complexes
Sign Up to like & getrecommendations! Published in 2019 at "Organometallics"
DOI: 10.1021/acs.organomet.9b00619
Abstract: We report on the reactivity of a boryloxy-functionalized phosphaalkyne, [B]OCP ([B] = N,N′-bis(2,6-diisopropylphenyl)-2,3-dihydro-1H-1,3,2-diazaboryl), toward a series of tungsten(0) reagents to afford the novel complex W(η2-PCO[B])3(CO). As with related organometallic complexes of alkynes, the C3v symmetry… read more here.
Keywords: pco; tris phosphaalkyne; tungsten complexes; tungsten ... See more keywords
The structure and hardness of the highest boride of tungsten, a borophene-based compound
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-04394-1
Abstract: Two-dimensional systems have strengthened their position as a key materials for novel applications. Very recently, boron joined the distinguished group of elements confirmed to possess 2D allotropes, named borophenes. In this work, we explore the… read more here.
Keywords: hardness highest; tungsten; structure hardness; hardness ... See more keywords
Development and Performance of Tungsten-Coated Graphitic Foam for Plasma-Facing Components
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Science and Technology"
DOI: 10.1080/15361055.2019.1607706
Abstract: Abstract High-density graphitic foam is an ideal low-Z plasma-facing material for deuterium-deuterium plasma experiments where tritium codeposition is not an issue. However, like all carbon, graphitic foam suffers from a precipitous drop in thermal conductivity… read more here.
Keywords: foam; tungsten; graphitic foam; plasma facing ... See more keywords
Material properties and their influence on the behaviour of tungsten as plasma facing material
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/aa6938
Abstract: With the aim of a possible improvement of the material specification for tungsten, five different tungsten products by different companies and by different production technologies (forging and rolling) are subject to a materials characterization program.… read more here.
Keywords: tungsten; different production; material; material properties ... See more keywords