Selective reduction of TiO2-SiO2 in the carbothermal reduction of titanium raw materials for preparation of titanium oxycarbide

Jiusan Xiao, Bo Jiang, Kai Huang, Shuqiang Jiao, Hongmin Zhu

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

2 Citations (Scopus)

Abstract

Carbothermal selective reduction of simulative titanium slag and various titanium raw materials were presented and SiO2 was found to be partially reduced, forming a series of Fe-Si alloys during the process. Thermodynamic analysis of the selective reduction between TiO2 and SiO2 was performed using HSC 6.0 software, then a series of equilibrium experiments were designed and presented. The activity of Si reduced from SiO2 was affected by the presence of Fe reduced from FeOx and the generation of Fe-Si alloys, promoting the reduction of SiO2 in the whole process. The results of experiment are in great accordance with the calculated data obtained from thermodynamic analysis.

Original languageEnglish
Title of host publicationTMS Annual Meeting
EditorsJiann-Yang Hwang, Jiann-Yang Hwang, Tao Jiang, P. Chris Pistorius, Gerardo R.F. Alvear F., Gerardo R.F. Alvear F., Onuralp Yucel, Liyuan Cai, Liyuan Cai, Baojun Zhao, Dean Gregurek, Varadarajan Seshadri, Varadarajan Seshadri, Varadarajan Seshadri, Varadarajan Seshadri
PublisherMinerals, Metals and Materials Society
Pages419-425
Number of pages7
EditionCONFCODENUMBER
ISBN (Electronic)9781119225751
DOIs
Publication statusPublished - 2016
Event7th International Symposium on High-Temperature Metallurgical Processing - TMS 2016: 145th Annual Meeting and Exhibition - Nashville, United States
Duration: 2016 Feb 142016 Feb 18

Publication series

NameTMS Annual Meeting
NumberCONFCODENUMBER
Volume0

Other

Other7th International Symposium on High-Temperature Metallurgical Processing - TMS 2016: 145th Annual Meeting and Exhibition
Country/TerritoryUnited States
CityNashville
Period16/2/1416/2/18

Keywords

  • Carbothermal selective reduction
  • Thermodynamic analysis
  • Titanium raw materials

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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