Abstract
To prepare high-purity vanadium metal, the investigation of deoxidation and decarburization of a crude vanadium containing a small amount of carbon and oxygen, obtained by the carbothermic reduction of vanadium oxide, was made by an Ar-H//2 (5 to 25 vol. %) plasma arc smelting. Remarkable deoxidation from a crude vanadium was found in the Ar-H//2 plasma arc smelting, but decarburization was insufficient, as expected by the thermodynamical calculations. Massive vanadium metal of about 99. 6% purity, with a hardness of Hv equals 180, was obtained by the Ar-H//2 (25 vol. %) plasma arc treatment of a crude vanadium with high oxygen and low carbon content.
Original language | English |
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Pages (from-to) | 1153-1158 |
Number of pages | 6 |
Journal | Nihon Kogyokaishi |
Volume | 98 |
Issue number | 1137 |
Publication status | Published - 1982 Jan 1 |
ASJC Scopus subject areas
- Engineering(all)