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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1058ZrB2 Nano-Powders Prepared by Sol-Gel Carbothermal...

ZrB₂ Nano-Powders Prepared by Sol-Gel Carbothermal Reduction

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Abstract:

Zirconium diboride (ZrB₂) powders were synthesized by sol-gel carbonthermal reduction method using zirconium oxychloride (ZrOCl₂·8H₂O), boric acid (H₃BO₃), source (C₁₂H₂₂O₁₁) and citrate (as chelation agent). The Zirconium diboride precursors were calcined at 1600¡æ for 2h, 3h and 4h under argon atmosphere. The precursors and sintered samples were characterized by TG-DSC, XRD and SEM. Results revealed that the ZrB₂ powders prepared at 1600°C for 4h exhibited quasi-tabular morphology with a small average crystalline size about 20μ. With respect to the conventional solid state method, the Sol-gel method route guaranteed a faster, easier and energy-saving process for obtaining nanopowders.

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Periodical:

Advanced Materials Research (Volume 1058)

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3-6

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1058.3

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Online since:

November 2014

Authors:

Bai Na Wang, Yun Biao Duan, Jin Hu*, Yu Tian Wang, Kai Jun Wang, Ying Mei Tao

Keywords:

Carbonthermal Reduction, Precursor, Sol-Gel, Zirconium Diboride

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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