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Ceramics-Silikáty 58 (1) 56-64 (2014)

EFFECT OF LaF3 ON THERMAL PROPERTIES, CRYSTALLIZATION AND SINTERING OF SEALING GLASS-CERAMIC

Faeghinia A.

In this work one type of seal glass containing 0, 2 and 4 wt. % LaF3, were prepared. Crystallization and the sintering behavior of obtained glasses were compared. By adding LaF3 the bulk crystallization via lithium disilicate was promoted. The aspect ratio of resulted microstructure was increased by LaF3 amount. Also the TEC and the wetting angle of LaF3 bearing glasses raised up to 36 % and 122° respectively.

Keywords: Seal glass, TEC, Sintering, Crystallization

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