FIBER-ON-PLATE EXPERIMENTS - RELAXATION AND SURFACE-TENSION

被引：2

作者：

DEWITH, G ^{[1
]}

CORBIJN, AJ ^{[1
]}

机构：

[1] EINDHOVEN UNIV TECHNOL,EINDHOVEN,NETHERLANDS

来源：

JOURNAL OF MATERIALS SCIENCE | 1995年 / 30卷 / 07期

关键词：

D O I：

10.1007/BF00351604

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The relaxation of the fibre-on-plate geometry was studied experimentally using glass. Various fibre diameters and temperature/time schedules were used. Excellent agreement with the theoretical predictions of Hopper was obtained. The determination of the surface tension of glass at low temperature by this method is discussed. A value of 0.19 N m(-1) at 600 degrees C was measured for a modified Na-K-Ba-Sr-silica glass, which differs significantly from the sessile-drop value of 0.35 N m(-1), extrapolated from high-temperature data. Influencing factors are discussed. The difference is probably due to the presence of water vapour which considerably lowers the surface tension of glass at low temperature.

引用

页码：1742 / 1749

页数：8

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