An investigation on the self-propagating high temperature synthesis of TiB2

Onuralp Yucel, Mehmet Bugdayci, Ahmet Turan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

TiB2 is a transition metal boride which has remarkable properties such as high melting temperature, hardness, thermal and electrical conductivity, good wear, thermal shock and corrosion resistance. Self-propagating high temperature synthesis (SHS) followed by acid leaching was applied in this study to synthesize TiB2 powders with ultra-fine grain size and high energy efficiency. Investigated parameters were Mg stoichiometry as 90%, 100% and 110%, process atmosphere as air and argon atmosphere and effect of MgSO4 and NaCl as catalyst on the quality and grain size of synthesized TiB2 powders. SHS reactions were carried out in a cylindrical copper crucible. SHS products were leached by using concentrated HC1 solutions. Leaching parameters were 9.25 molar HC1 concentration, 600 rpm stirring speed and 1/5 solid/liquid ratio. X-Ray Diffraction (XRD), BET specific surface area measurement and chemical analysis techniques were performed for the characterization of SHS and leaching products.

Original languageEnglish
Title of host publication5th International Symposium on High-Temperature Metallurgical Processing - Held During TMS 2014 143rd Annual Meeting and Exhibition
PublisherMinerals, Metals and Materials Society
Pages147-151
Number of pages5
ISBN (Print)9781118888117
DOIs
Publication statusPublished - 2014
Event5th International Symposium on High-Temperature Metallurgical Processing - TMS 2014 143rd Annual Meeting and Exhibition - San Diego, CA, United States
Duration: 16 Feb 201420 Feb 2014

Publication series

NameTMS Annual Meeting

Conference

Conference5th International Symposium on High-Temperature Metallurgical Processing - TMS 2014 143rd Annual Meeting and Exhibition
Country/TerritoryUnited States
CitySan Diego, CA
Period16/02/1420/02/14

Keywords

  • Self-propagating high temperature synthesis
  • Titanium diboride

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