Journal ArticleDOI
Preparation of carbon incorporated NbAl alloy and its subsequent conversion to pure niobium by electron beam melting
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TLDR
In this article, a modified charge composed of niobium pentoxide, aluminium reductant corresponding to 10 wt.% excess over the stoichiometric amount and carbon amounting to 1 Wt.%.About:
This article is published in Journal of Alloys and Compounds.The article was published on 1996-04-01. It has received 7 citations till now. The article focuses on the topics: Niobium pentoxide & Niobium.read more
Citations
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Studies on the synthesis and characterization of a molybdenum-based alloy
TL;DR: In this article, a typical molybdenum-based alloy, popularly known as TZC alloy with nominal composition, Mo 1.2Ti 0.3Zr 0.5C (wt.%) from the oxide intermediates, MoO 2, TiO 2 and ZrO 2 by their simultaneous co-reduction with aluminium in presence of a sufficient amount of carbon.
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Production of niobium powder by magnesiothermic reduction of niobium oxides in a cyclone reactor
TL;DR: In this paper, it was shown that the application of a continuously operating cyclone reactor and the use of niobium(IV) oxide as raw material solved the problem of the highly exothermic reaction within the cyclone reaction within a Niobium pentoxide by the ratio between gas flow rate and powder flow rate.
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Formation of niobium powder by electrolysis in molten salt
TL;DR: In this paper, fine Nb 2 O 5 powder was filled into a basket-type cathode and immersed in molten CaCl 2 at 1173 K and formed calcium niobites that exhibited rod or plate-like morphology.
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Aluminothermic preparation of Hf–Ta and Nb–10Hf–1Ti alloys and their characterization
TL;DR: In this article, the authors adopted aluminothermic (thermit) smelting technique for the preparation of Nb-10Hf-1Ti and Hf-Ta alloys by direct co-reduction of the oxides of individual components.
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Characteristic Variation of Niobium Powder Produced under Various Reduction Temperature and Amount of Reductant Addition
TL;DR: In this paper, Niobium powder was fabricated by sodiothermic reduction process using K 2 NbF 7 as the raw materials, KCl and KF as the diluents and Na as the reducing agent.
References
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Journal ArticleDOI
Electrodeposition of Coherent Deposits of Refractory Metals I . Niobium
G. W. Mellors,S. Senderoff +1 more
TL;DR: In this article, a general method for the electrodeposition of coherent, dense deposits of refractory metals by electrolysis of molten salts has been found, which can be described in terms of one of the first metals studied, Niobium.
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Open aluminothermic reduction of columbium (Nb) pentoxide and purification of the reduced metal
G. R. Kamat,C. K. Gupta +1 more
TL;DR: In this paper, the extraction of columbium metal by aluminothermic reduction of its pentoxide in a refractory-lined open reactor was investigated, and conditions for operating the cell at 90 pct or more current efficiency have been established.
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The preparation of pure niobium for neutron dosimetry purposes
Klaus Schulze,M. Krehl +1 more
TL;DR: In this paper, a double electrolytic refining in an eutectic lithium-, sodium-, potassium-fluoride melt, containing fluoro-potassium niobate (K2NbF7), was described for the preparation of high purity niobium for use in fast neutron dosimetry.