BORON OXYFLUORIDE GLASSES IN THE B-O-F SYSTEM - NEW POLYMERIC SPAGHETTI-TYPE GLASSES

被引:13
作者
BOUSSARDPLEDEL, C [1 ]
FONTENEAU, G [1 ]
LUCAS, J [1 ]
机构
[1] LAB VERRES & CERAM,CNRS,URA 1496,F-35042 RENNES,FRANCE
关键词
D O I
10.1016/0022-3093(95)00183-2
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
Direct reaction at T = 200 degrees C of gaseous BF3 on B2O3 in a closed silica tube leads to B-O-F glass formation in the cold part of the vessel. The vitreous material obtained from vapour phase condensation has a weak dimensionality as indicated by the low glass transition temperature, T-g = 60 degrees C. The relationship between the trimeric molecular form, B3O3F3, and the polymer glass (BOF)(n) is discussed with respect to formation conditions and glass decomposition.
引用
收藏
页码:147 / 152
页数:6
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