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Parallel Plate Viscometry for Glass at High Viscosity

被引：2
|
作者：
Joshi, Dhananjay [1 ]
Joseph, Paul F. [1 ]
机构：
[1] Clemson Univ, Dept Mech Engn, Clemson, SC 29634 USA
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2014年 / 97卷 / 02期
关键词：
THERMOMECHANICAL CHARACTERIZATION;
D O I：
10.1111/jace.12763
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：
A simple formula is provided to estimate viscosity of glass using parallel plate viscometry well above 10(8) Pa.s, which is the upper limit of the recommended range. The formula is based on computational studies that account for viscoelastic material behavior and frictional slip that justify using linear interpolation to estimate viscosity between established upper and lower bounds. The formula accounts for variations in friction coefficient and cylinder aspect ratio for viscosity from 10(7) to 10(11) Pa.s.
引用
收藏
页码：354 / 357
页数：4
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