The viscosity of Bi2O3-B2O3-SiO2 glasses and melts

被引：4
|
作者：
Shilov, Andrei L. [1 ]
Stolyar, Sergey, V [2 ]
Stolyarova, Valentina L. [1 ]
Ojovan, Michael, I [3 ]
机构：
[1] St Petersburg State Univ, Univ Skaya Nab 7-9, St Petersburg 199034, Russia
[2] Russian Acad Sci, Grebenshchikov Inst Silicate Chem, Nab Makarova 2, St Petersburg 199034, Russia
[3] Lomonosov Moscow State Univ, Dept Radiochem, Leninskie Gory 1,Bd 3, Moscow 119991, Russia
来源：
GLASS TECHNOLOGY-EUROPEAN JOURNAL OF GLASS SCIENCE AND TECHNOLOGY PART A | 2019年 / 60卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
THERMODYNAMIC PROPERTIES; BEHAVIOR; SYSTEM; SLAGS; MODEL;
D O I：
10.13036/17533546.60.4.016
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The viscosity-temperature relationships of Bi2O3-B2O3-SiO2 glasses and melts at molar ratio [B2O3]/[SiO2]=1 and 3 were experimentally determined in the temperature range close to operational glass transition temperature at log eta (Pas)=10-12. We have found that the viscosity increases on decrease of Bi2O3 and SiO2 contents which conforms to early data on viscosity of this system at higher temperatures. Glass transition temperatures were experimentally determined using thermal expansion (dilatometry) method. Experimental data obtained were then analysed using the generalised lattice theory of associated solutions which enabled quantitative assessment of bond strengths in this system at 1200 K.
引用
收藏
页码：105 / 110
页数：6
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