Preparation and Phase Analysis of Fe-SiAlON-MoSi2 Composites

Abstract:

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Fe-SiAlON-MoSi2 composites were prepared using FeSi75, α-Al2O3, and MoSi2 powders as starting materials at 1400 oC, 1500 oC, 1600 oC and 1700 oC, respectively, for 3h in a flowing nitrogen under the pressure of 0.9MPa. The results showed that the main phases of Fe-SiAlON-MoSi2 composite were β-SiAlON with deferent Z-values, MoSi2, and Fe3Si. Z-value of the obtained β-SiAlON depanded on α-Al2O3 content and the sintering temperature. The morphology of SiAlON phase changed from fibre-like of low Z-value to hexagonal prism-like of high Z-value.

Info:

Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1123-1125

DOI:

10.4028/www.scientific.net/KEM.368-372.1123

Citation:

J. Z. Yang et al., "Preparation and Phase Analysis of Fe-SiAlON-MoSi2 Composites", Key Engineering Materials, Vols. 368-372, pp. 1123-1125, 2008

Online since:

February 2008

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$35.00

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