VISCOSITY OF POROUS GLASSES

被引：40
|
作者：
SURA, VM [1 ]
PANDA, PC [1 ]
机构：
[1] JUPITER TECHNOL INC,ITHACA,NY 14850
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 09期
关键词：
cordierite; glass; porosity; sinter forging; viscosity;
D O I：
10.1111/j.1151-2916.1990.tb06748.x
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：
Viscosity of porous glasses has been derived from the elastic stress analysis, using the viscous analogy. Viscosity as a function of porosity has been estimated for spherical as well as for arbitrary pore geometry. Since the pore geometry changes during sintering, a shape factor that varies with pore geometry has been considered to predict the viscosity–porosity relationship. Viscosity as a function of porosity was measured on cordierite‐type glass by isothermal sinter‐forging experiments and data showed good agreement with the analysis. Experimental data from literature on viscosity as a function of porosity on two other glasses also show good agreement with the analysis. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码：2697 / 2701
页数：5
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