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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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