Properties of yttria-aluminoborate glasses
Journal Article
·
· Journal of the American Ceramic Society; (USA)
- Missouri Univ., Rolla, MO (USA). Dept. of Ceramic Engineering
In the Y{sub 2}O{sub 3} {bond} Al{sub 2}O{sub 3} {bond} B{sub 2}O{sub 3} system, homogeneous glasses were obtained from compositions containing from 50 to 65 mol% B{sub 2}O{sub 3}. This paper reports that the density, refractive index, and thermal expansion increase as Y{sub 2}O{sub 3} replaces either B{sub 2}O{sub 3} or Al{sub 2}O{sub 3}. These glasses have a dilatometric softening temperature above 665{degrees}C, and below 300{degrees}C their dc electrical resistivity exceeds that of fused silica. The infrared absorption spectra indicate that BO{sub 3}, BO{sub 4}, and AlO{sub 4} groups are present in these glasses.
- OSTI ID:
- 6436781
- Journal Information:
- Journal of the American Ceramic Society; (USA), Journal Name: Journal of the American Ceramic Society; (USA) Vol. 73:6; ISSN JACTA; ISSN 0002-7820
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
400201 -- Chemical & Physicochemical Properties
656002 -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTRA
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BORON COMPOUNDS
BORON OXIDES
CHALCOGENIDES
CHEMICAL PROPERTIES
DENSITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
EXPANSION
GLASS
INFRARED RADIATION
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
SPECTRA
THERMAL EXPANSION
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
400201 -- Chemical & Physicochemical Properties
656002 -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTRA
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BORON COMPOUNDS
BORON OXIDES
CHALCOGENIDES
CHEMICAL PROPERTIES
DENSITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
EXPANSION
GLASS
INFRARED RADIATION
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
SPECTRA
THERMAL EXPANSION
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES