Growth of Tungsten Carbide Monocrystals

Growth of Tungsten Carbide Monocrystals

Tungsten carbide monocrystals have been grown from a Co flux using a modified Czochralski technique. These crystals are about 1 cm in size, show little internal strain, and contain few Co inclusions. The highest-quality crystals grow in the [0001] direction with a melt composition of 16 mole% WC-84...

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Veröffentlicht in:J. Appl. Phys., 39: 4497-4500(Sept. 1968) 39: 4497-4500(Sept. 1968), 1968-01, Vol.39 (10), p.4497-4500
Hauptverfasser: Gerk, A. P., Gilman, J. J.
Format: Artikel
Sprache:eng
Schlagworte:
COBALT
CRYSTAL GROWTH
CRYSTALLIZATION
MONOCRYSTALS
N30220 -Metals, Ceramics, & Other Materials-Ceramics & Cermets-Preparation & Fabrication
TUNGSTEN CARBIDES
TUNGSTEN CARBIDES/growth of large monocrystals of, from cobalt flux
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Beschreibung
Zusammenfassung:Tungsten carbide monocrystals have been grown from a Co flux using a modified Czochralski technique. These crystals are about 1 cm in size, show little internal strain, and contain few Co inclusions. The highest-quality crystals grow in the [0001] direction with a melt composition of 16 mole% WC-84 mole% Co, a surface temperature of 1475°C, and a pulling rate of 0.2 mm/h.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1655792