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Preparation and Characterization of Li‐Si‐Al‐O‐N Glasses
Author(s) -
MESSIER DONALD R.,
GLEISNER ROBERT P.
Publication year - 1988
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1988.tb05888.x
Subject(s) - thermogravimetric analysis , materials science , thermal decomposition , ternary operation , mineralogy , characterization (materials science) , decomposition , oxide , chemical engineering , analytical chemistry (journal) , metallurgy , chemistry , nanotechnology , organic chemistry , computer science , engineering , programming language
The glass‐forming region in the AIN‐Li 2 O–SiO 2 ternary was defined, and glass batches up to 15 g were prepared and characterized. Thermogravimetric data on thermal decomposition were interpreted in terms of probable decomposition reactions. Crystalline phases identified in partly crystalline and devitrified glasses include α′‐ and β′‐sialons, eucryptite, and τ‐LiAlO 2 , all of which may contain some substituted N. Micro‐hardness and elastic modulus of a glass of approximate composition Li 2 Si 2 AlO 5 N are both considerably higher than values for similar oxide glasses.
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