Interactions between AlN and SiAlON Ceramics

Abstract:

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In the present study, interactions between AlN and SiAlON laminated couples were investigated after gas pressure (GPS) and spark plasma sintering (SPS) by scanning electron microscopy (SEM) and energy dispersive x-ray analysis (EDX) with the aim to produce laminated composites. In the laminated couples sintered by GPS, a significant reaction zone (~100-150 μm), containing a high aspect ratio of elongated polytypoid grains, was observed at the interface. However, in the case of laminated couples sintered by SPS, a considerably thin reaction region (~2-3 μm) was observed, elongated polytypoid grain formations were also detected.

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Periodical:

Edited by:

Katsutoshi Komeya, Yi-Bing Cheng, Junichi Tatami and Mamoru Mitomo

Pages:

97-98

DOI:

10.4028/www.scientific.net/KEM.403.97

Citation:

A. Kalemtas et al., "Interactions between AlN and SiAlON Ceramics", Key Engineering Materials, Vol. 403, pp. 97-98, 2009

Online since:

December 2008

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$35.00

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