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SINTERING AND CRYSTALLIZATION BEHAVIOR OF BAO-AL2O3-SIO2 AND BAO-ZNO-AL2O3-SIO2 XEROGEL POWDERS
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UNSPECIFIED (1993) SINTERING AND CRYSTALLIZATION BEHAVIOR OF BAO-AL2O3-SIO2 AND BAO-ZNO-AL2O3-SIO2 XEROGEL POWDERS. PHYSICS AND CHEMISTRY OF GLASSES, 34 (3). pp. 104-108. ISSN 0031-9090.
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Abstract
Homogeneous xerogel powders in the BaO-Al2O3-SiO2 and BaO-ZnO-Al2O3-SiO2 systems were prepared by chemical polymerisation in a sol-gel process. Their sintering behaviour and crystallisation characteristics have been investigated as a function of temperature, time, and composition. The BAS system requires a sintering temperature of 900-960-degrees-C and the BZAS system 840-900-degrees-C to achieve reasonable densities-up to 97%. The BAS system produced hexagonal BAS2 and BS2 phases on devitrification. The BZAS system gave celsian and hexagonal BAS2 and the presence of ZnO facilitated the formation of celsian.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology |
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Journal or Publication Title: | PHYSICS AND CHEMISTRY OF GLASSES | ||||
Publisher: | SOC GLASS TECHNOLOGY | ||||
ISSN: | 0031-9090 | ||||
Official Date: | June 1993 | ||||
Dates: |
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Volume: | 34 | ||||
Number: | 3 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 104-108 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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