Simultaneous Synthesis and Densification of Nanostructured NbSi2-SiC-Si3N4 by Rapid Sintering

In Jin Shon; Hyun Su Kang; Soo Kyung Bae; In Yong Ko

doi:10.4028/www.scientific.net/AMR.123-125.209

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 123-125Simultaneous Synthesis and Densification of...

Simultaneous Synthesis and Densification of Nanostructured NbSi₂-SiC-Si₃N₄ by Rapid Sintering

Abstract:

A dense nanostructured 5NbSi2-SiC-Si3N4 composite was synthesized by the high-frequency induction-heated combustion synthesis (HFIHCS) method within 1 minute in one step from mechanically activated powders of 4NbN, NbC and 14Si. A highly dense 5NbSi2-SiC-Si3N4 composite with relative density of up to 98% was produced under the simultaneous application of a pressure of 80 MPa and the induced current. The average grain size and mechanical properties (hardness and fracture toughness) of the composite were investigated.

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Periodical:

Advanced Materials Research (Volumes 123-125)

Pages:

209-212

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.123-125.209

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Online since:

August 2010

Authors:

In Jin Shon, Hyun Su Kang, Soo Kyung Bae, In Yong Ko

Keywords:

Mechanical Property, Nanocomposite, Silicide, Sintering

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