Infrared Transparent Germanate Glass-Ceramics

A new germanate glass-ceramic material in the BaO-Ga203-Ge02 system is developed for infrared (IR) dome and window applications. This glass-ceramic material has a grain size of ~0.2-0.5um and is transparent in the 3-5um IR region. Glass ceramization results in 40% improvement in hardness, 65% increase in elastic modulus, 116% increase in strength, and 134% increase in fracture toughness over the base glass.

Author
S S Bayya Et Al
Origin
Naval Research Labs, Washington Dc, Usa
Journal Title
J Am Ceram Soc 85 12 2002 3114-3116
Sector
Glass Ceramics
Class
GC 500

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Infrared Transparent Germanate Glass-Ceramics
J Am Ceram Soc 85 12 2002 3114-3116
GC 500
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