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Articles

Characterization of mechanochemically synthesized ZrB2 nanocrystals with Zr/ZrO2, B2O3, and Mg reactants

ORCID Icon, , , &
Pages 262-269 | Received 21 Jun 2017, Accepted 01 Feb 2021, Published online: 29 Mar 2021
 

Abstract

Pure forms of Zirconium diboride (ZrB2) nanocrystals could successfully be synthesized by mechanochemical method. Synthesis of ZrB2 nanocrystals from Zirconium route was tried for the first time. The importance of zirconium sources is a cardinal factor to obtain the purity of the crystalline forms of ZrB2. All past methods involved ZrO2 source for the synthesis which always entrained the traces of ZrO2 due to the incomplete reduction. The present study also revealed the factors like ball to powder weight ratios on the final product properties. In this study synthesis of ZrB2 nanocrystals were compared using both Zr and ZrO2 routes. Products were characterized by XRD, scanning electron microscopy, transmission electron microscopy, BET method, and specific density analysis. The synthesis using Zr produced slightly larger nanocrystallites compared the sizes obtained via ZrO2 route. Surface areas of the products were found 32–88 m2/g depending upon the milling parameters used.

Additional information

Funding

The authors are very grateful to Eti Maden Works General Management for financial support and laboratory facilities usage.

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