Machinability and Microstructure of SiC/h-BN Nano-Composites

Abstract:

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SiC particles coated with nano-BN were synthesized and the machinable SiC/BN ceramic nano-composites were fabricated by Plasma Active Sintering (PAS) in N2 atmosphere. The existing and distribution of h-BN phase were revealed by X-ray diffraction (XRD), and SEM. For the existing of weak interface between h-BN and SiC grains, the machinability of both SiC/BN micro-composites and nano-composites were improved obviously. Because the nano-sized h-BN crystals were homogeneously dispersed around the SiC grains of the matrix, the fracture strength of the nano-composites was better than the SiC/h-BN micro-composite.

Info:

Periodical:

Edited by:

Byungsei Jun, Hyungsun Kim, Chanwon Lee, Soo Wohn Lee

Pages:

45-48

DOI:

10.4028/www.scientific.net/MSF.569.45

Citation:

H. Y. Jin et al., "Machinability and Microstructure of SiC/h-BN Nano-Composites ", Materials Science Forum, Vol. 569, pp. 45-48, 2008

Online since:

January 2008

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Price:

$35.00

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