Synthesis of high-silica glasses with an increased thermal expansion coefficient

被引:0
|
作者
Alekseeva, ZD [1 ]
机构
[1] RUSSIAN ACAD SCI,GREBENSHCHIKOV INST SILICATE CHEM,ST PETERSBURG 199155,RUSSIA
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暂无
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
It is revealed that the impregnation of porous glasses with mixed sodium- and potassium-containing solutions whose pH is equal to 8-9 provides a way to increase the thermal expansion coefficient for impregnated vicor glasses. The vicor glasses obtained have a thermal expansion coefficient that varies over a wide range, from 8 x 10(-7) -40 x 10(-7) K-1. These glasses can be used as the intermediate glasses in the electrovacuum industry to produce seals with tungsten.
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页码:63 / 67
页数:5
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