Controlled Crystallization And Properties Of Zirconium Fluoride-Based Glass-Ceramics

5lZrF4.16BaF2.5LaF3.3AlF3.20LiF.5PbF2 glasses were prepared with CdF3 additions of 0, 2, 5 and 7.5 mol%. The glasses with 2 and 5 mol% exhibited controllable nucleation upon heat treatment above the glass transformation temperature. The nucleation and crystallization of glasses with 5 mol% CdF2 were characterized using bulk heat treatments, differential scanning calorimetry, and scanning electron microscopy. The isothermal crystallization of nucleated glasses resulted in the formation of a glass-ceramic that was transparent in the infrared (>70% transmission) and more resistant to fracture than typical fluoride glasses.

Author
J M Jewell Et Al
Origin
Naval Research Labs, Washington Dc, Usa
Journal Title
J Am Ceram Soc 79 9 1996 2397-2402
Sector
Glass Ceramics
Class
GC 252

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Controlled Crystallization And Properties Of Zirconium Fluoride-Based Glass-Ceramics
J Am Ceram Soc 79 9 1996 2397-2402
GC 252
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