NDLI: Ultra-fine zirconium diboride powders prepared by a combined sol

Content Provider	SpringerLink
Author	Miao, Yang Wang, Xiaojing Firbas, Paul Wang, Kun Yang, Zhihua Liang, Bin Cheng, Yi Bing Jia, Dechang
Copyright Year	2015
Abstract	Ultrafine ZrB$_{2}$ powders were successfully synthesized by using a novel method that combines the sol–gel process with the rapid synthesis of spark plasma sintering (SPS). The sol–gel method utilized a soluble zirconium-containing organic precursor consisting of zirconium n-propoxide, boric acid and furfuryl alcohol as the source materials for zirconium, boron and carbon respectably. From this precursor pure ZrB$_{2}$ was successfully synthesized at 1700 °C for 5 min using the optimal molar ratios of n(B)/n(Zr) = 4 and n(C)/n(Zr) = 20. During the carbo/borothermal reductions the formation of ZrB$_{2}$ occurred from the precursor prior to the ZrC and B$_{4}$C formation. Therefore neither ZrC nor B$_{4}$C XRD peaks were detected in the final product. It was also found that the fast heating rates employed during SPS were able to retard the grain growth of the ZrB$_{2}$ particles.
Starting Page	636
Ending Page	641
Page Count	6
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	77
Issue Number	3
e-ISSN	15734846
Language	English
Publisher	Springer US
Publisher Date	2015-10-28
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Zirconium diboride Sol–gel Spark plasma sintering Ceramics, Glass, Composites, Natural Methods Inorganic Chemistry Optical and Electronic Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Biomaterials Electronic, Optical and Magnetic Materials Condensed Matter Physics Ceramics and Composites Materials Chemistry Chemistry

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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