Study on High Temperature Thermistor Made of MoSi2-Granular Al2O3 Composite

A sintered composite, which was made of MoSi2 and granulated Al2O3 by a new technique, realized high electric conductivity even in the range of much Al2O3 and was used as a material for heating element. It was already reported. This study shows the material was not appropriate for high temperature t...

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Veröffentlicht in:Journal of the Ceramic Society of Japan 1989/08/01, Vol.97(1128), pp.783-786
Hauptverfasser: YAMAMOTO, Hirotaka, SENDAI, Satoshi
Format: Artikel
Sprache:eng ; jpn
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Zusammenfassung:A sintered composite, which was made of MoSi2 and granulated Al2O3 by a new technique, realized high electric conductivity even in the range of much Al2O3 and was used as a material for heating element. It was already reported. This study shows the material was not appropriate for high temperature thermistor, however was attained by obtaining a superior material in high temperature stability as a result of improving its surface from forming aluminosilicate glass layer. Moreover it was found to be a peculiar material to positive temperature characteristics of electric resistance and to stabilize B constant at a small number, compared with properties of the other present materials for high temperature thermistors.
ISSN:0914-5400
1882-1022
DOI:10.2109/jcersj.97.783