Batch composition effect on optical flint glass quality

被引：0
|
作者：
Atarskaya, A.B.
机构：
来源：
Steklo i Keramika | 1992年 / 11-12期
关键词：
Composition - Lead compounds - Melting - Optical glass - Oxides - Refractive index - Silicon compounds;
D O I：
暂无
中图分类号：
TQ171 [玻璃工业];
学科分类号：
摘要：
Aimed to reveal relationships of glass mixture composition to refractive index for lead-bearing flint glass the investigations were carried out into the SiO2-PbO-K2O system glass melted in laboratory electric furnace at 1480° C. Considerable heterogeneity of glass mixture chemical composition was found within a unit charge. It resulted in heterogeneity of glass bath. Chemical analysis showed that glass composition averageing occurred only on melting during 49.5h. As a result of studies a conclusion was made that chemical heterogeneity of glass mixture had no great effect on refractive index of flint lass, provided that glass melting period was sufficiently prolonged.
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页码：7 / 8
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