Effect of HCl concentration on TiB2 separation from a self-propagating high-temperature synthesis (SHS) product

Umut Demircan, Bora Derin*, Onuralp Yücel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

This paper presents a synthesis of TiB2 powder via self-propagating high-temperature synthesis (SHS) method using a mixture of TiO2, B2O3 and Mg followed by acid leaching. In the acid leaching step, the MgO content in the SHS product was leached in different HCl concentrations. X-ray diffraction (XRD) analysis showed that when 9.3 M HCl was used, the leached SHS product was found similar to that of the commercial TiB2 powder. However, scanning electron microscopy (SEM) and BET surface area analysis revealed that the leached product was agglomerated and exhibited very high surface area.

Original languageEnglish
Pages (from-to)312-318
Number of pages7
JournalMaterials Research Bulletin
Volume42
Issue number2
DOIs
Publication statusPublished - 15 Feb 2007

Keywords

  • A. Ceramics
  • B. Chemical synthesis
  • C. X-ray diffraction

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