Fe-Ti alloy production from mixed ilmenite and titanium dioxide by direct electrolytic reduction in molten calcium chloride electrolyte

Mrutyunjay Panigrahi, Etsuro Shibata, Atsushi Iizuka, Takashi Nakamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The electrolytic reduction process of mixed ilmenite (FeTiO3) and titanium dioxide (TiO2) to Fe-Ti intermetallic alloy in molten calcium chloride (CaCl2) electrolyte was studied. FeTiO3 and TiO2 powders were taken, which was then mixed, milled and pressed into 2.2 g of pellet and heat treated at 1000 °C for 2 h. The pellet was reduced electrochemically in a molten CaCl2 electrolyte at 950°C and at a constant voltage of 3.0 V. The electrolyzed samples formed by the electrolytic reduction of the mixed FeTiO3 and TiO2 pellets were analyzed using X-ray diffraction, scanning electron microscopy/energy-dispersive X-ray spectroscopy, electron-probe microanalysis. From this analysis, it was confirmed that the mixed FeTiO3 and TiO2 pellets were successfully reduced to a dense Fe-Ti intermetallic alloy consisting of β-Ti (FeTi4) and FeTi phases.

Original languageEnglish
Title of host publication8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8
PublisherJohn Wiley and Sons Inc.
Pages2331-2343
Number of pages13
ISBN (Print)9781632660008
DOIs
Publication statusPublished - 2013
Event8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8 - Waikoloa, HI, United States
Duration: 2013 Aug 42013 Aug 9

Publication series

Name8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8
Volume3

Other

Other8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8
Country/TerritoryUnited States
CityWaikoloa, HI
Period13/8/413/8/9

Keywords

  • Electrolyte
  • Electrolytic reduction
  • Fe-Ti

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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