Effect of elemental iron on the carbothermic reduction of the anatase and rutile forms of titanium dioxide

N. Setoudeh; A. Saidi; N.J. Welham

doi:10.1016/j.jallcom.2004.10.058

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Effect of elemental iron on the carbothermic reduction of the anatase and rutile forms of titanium dioxide

Journal article

Peer reviewed

Effect of elemental iron on the carbothermic reduction of the anatase and rutile forms of titanium dioxide

N. Setoudeh, A. Saidi and N.J. Welham

Journal of Alloys and Compounds, Vol.395(1-2), pp.141-148

2005

DOI: https://doi.org/10.1016/j.jallcom.2004.10.058

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Abstract

Effect of iron on the carbothermic reduction of anatase and rutile forms of titanium dioxide was studied. Differential thermogravimetric analysis indicated a significantly different reduction route in the presence of iron with a number of clear minima in the rate of mass loss observed. X-ray diffraction of the products at these minima indicated that rutile initially formed FeTiO 3 which reduced to γ-Ti3O5, whilst anatase reduced through the mixed Ti(III/IV) phases of general formula Ti nO2n-1 to d-Ti3O5. The final stage was the reduction of Ti3O5 to the sub-stoichiometric carbide, TiC0.5. Iron was found to stabilise the Ti3O 5 phases which were absent from an iron-free system, this is presumed to be due to partial substitution of trivalent iron for trivalent titanium.

Details

Title: Effect of elemental iron on the carbothermic reduction of the anatase and rutile forms of titanium dioxide
Authors/Creators: N. Setoudeh (Author/Creator) - Murdoch University
A. Saidi (Author/Creator) - Isfahan University of Technology
N.J. Welham (Author/Creator) - Murdoch University
Publication Details: Journal of Alloys and Compounds, Vol.395(1-2), pp.141-148
Publisher: Elsevier B.V.
Identifiers: 991005543094307891
Copyright: © 2004 Elsevier B.V.
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 7 Engineering & Materials Science; 7.229 Mineral & Metal Processing; 7.229.1484 Sustainable Ironmaking
Web Of Science research areas: Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering
ESI research areas: Materials Science