Fabrication of Electronic Conductive Silicon Nitride Ceramics by Convenient Powder Metallurgical Process

Abstract:

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Si3N4 ceramics with V2O5 based glasses as sintering additives were successfully fabricated by a powder mixing process and rapid sintering by the PECS method. The fabricated materials by Pulsed Electric Current Sintering (PECS) exhibited very fine microstructure with α and β grains. Electric conductivity for the Si3N4/(V2O5-B2O3) and the Si3N4/(V2O5-B2O3-Al2O3) at room temperature were four and six orders of magnitude higher at room temperature, and two and three orders of magnitude higher at 1000 oC than the conventional Si3N4, respectively

Info:

Periodical:

Key Engineering Materials (Volumes 317-318)

Edited by:

T. Ohji, T. Sekino and K. Niihara

Pages:

645-648

DOI:

10.4028/www.scientific.net/KEM.317-318.645

Citation:

Y. H. Kim et al., "Fabrication of Electronic Conductive Silicon Nitride Ceramics by Convenient Powder Metallurgical Process", Key Engineering Materials, Vols. 317-318, pp. 645-648, 2006

Online since:

August 2006

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Price:

$35.00

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