Effect of HCL concentration on ZrB2 separation from a self-propagating high-temperature synthesis (SHS) product

Burcu Akkas*, Murat Alkan, Bora Derin, Onuralp Yücel

*Corresponding author for this work

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

1 Citation (Scopus)

Abstract

The self-propagating high-temperature synthesis (SHS) of zirconium diboride followed by hydrochloric acid leaching was carried out in this study. In the SHS stage, the initial mixture of B2O3, ZrO2 and Mg powders were ignited and then a mixture of the ZrB2, MgO, Mg3B2O6 and Mg2B2O 5 were formed. In the leaching step, the SHS product was leached in the acid solution to remove impurities i.e. MgO, Mg3B 2O6 and Mg2B2O5. The effects of temperature and acid concentration on the selective leaching were investigated. The obtained products were characterized by using X-ray diffraction and SEM techniques.

Original languageEnglish
Title of host publicationMaterials Processing and Energy Materials
PublisherMinerals, Metals and Materials Society
Pages499-503
Number of pages5
ISBN (Print)9781118029459
DOIs
Publication statusPublished - 2011

Publication series

NameTMS Annual Meeting
Volume1

Keywords

  • HCL leaching
  • SHS process
  • Zirconium diboride powder

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