2014
DOI: 10.3103/s1067821214060108
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Preparation of nanopowders of carbides and hard-alloy mixtures applying low-temperature plasma

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Cited by 31 publications
(8 citation statements)
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“…WC-10%Co nanopowder composition was obtained by a precipitation of CoCl 2 •6H 2 O cobalt salt from an ethanol solution, followed by recovery under hydrogen at 750 • C (see [82]). The homogeneity of powders was improved by grinding them in a RETCH ® planetary mill (Verder Group, Verder Scientific GmbH & Co, Haan, Germany) using hardalloy pot and balls, at a 1:5 ratio under ethanol.…”
Section: Methodsmentioning
confidence: 99%
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“…WC-10%Co nanopowder composition was obtained by a precipitation of CoCl 2 •6H 2 O cobalt salt from an ethanol solution, followed by recovery under hydrogen at 750 • C (see [82]). The homogeneity of powders was improved by grinding them in a RETCH ® planetary mill (Verder Group, Verder Scientific GmbH & Co, Haan, Germany) using hardalloy pot and balls, at a 1:5 ratio under ethanol.…”
Section: Methodsmentioning
confidence: 99%
“…The XRD results show (Figure 2c, the red line) that the powder composition contains α-WC tungsten monocarbide and two varieties of cobalt with cubic (α-phase) and hexagonal (β-phase) lattices. There were no peaks that would correspond to phases W 2 C, β-WC, α-W, and WO 3 that are present in tungsten carbide nanopowders in cases of suboptimal synthesis conditions [82,83,90]. The α-WC tungsten monocarbide peaks are broadened relative to submicron powders (Figure 2c); there is an overlap of the XRD peaks corresponding to α-WC phase in the area of larger diffraction angles.…”
Section: Sintering Of Nanopowdersmentioning
confidence: 99%
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“…Plasma chemical synthesis of tungsten monocarbide nanopowders [13] and spark plasma sintering (SPS) [2,[14][15][16][17][18][19][20][21][22][23] have been used to produce ceramics for the goals of this study. We reckon that these technologies combined will help to further improve the mechanical properties of WC-based ceramics by forming a high-density UFG microstructure.…”
Section: Introductionmentioning
confidence: 99%