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Redistribution of the liquid phase during sintering of silicon nitride

: Herrmann, M.; Boberski, C.; Michael, G.; Putzky, G.; Hermel, W.


Journal of materials science. Letters 12 (1993), pp.1641-1643
ISSN: 0261-8028
Journal Article
Fraunhofer IKTS ()
kinetics; microstructure; Mikrostruktur; Siliciumnitrid; silicon nitride; Sinteradditiv; sintering; sintering additive; Sinterkinetik; Sintern

The distribution of the sintering additives in the Si3N4 materials with Y2O3 and Al2O3 additives is examined by x-ray defraction and SEM of polished sections of quenched samples. An redistribution of the sintering additives in the temperature range of 1400 to 1650 C was observed.