Improvement of a beam‐bending viscosimeter for fast measurement
作者:
Delson Torikai,
Carlos Kenichi Suzuki,
Hiroshi Shimizu,
Toshio Ishizuka,
期刊:
Review of Scientific Instruments
(AIP Available online 1994)
卷期:
Volume 65,
issue 9
页码: 3028-3029
ISSN:0034-6748
年代: 1994
DOI:10.1063/1.1144597
出版商: AIP
数据来源: AIP
摘要:
The beam‐bending method is very useful for the viscosity determination of glasses, but the time spent to run the measurement is usually very long. The present note describes the performance of an improved beam‐bending viscosimeter at the support stand and loading rod to get the faster measurements of high viscosity glasses with better reliability and precision. The testing time was reduced from 8 to less than 4 hours to run one measurement at three different temperatures (1100, 1200, and 1300 °C), with the precision of almost one order of magnitude better (±0.01 for 1g &eegr; in poise).
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