| Consideration of Spindle Immersion Depth on Determining the Viscosity of Glass Melts by Rotating Cylinder Method |
| Young-Jin Kim, Ki-Dong Kim1, Seung-Beun Lee1, Song-Hee Hwang2 |
Department of Materials Science dr Engineering, Kunsan National University
1Department of Materials Science dr Engineering, Kunsan National Universit
2Korea Institute of Ceramic Engineering Technology |
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| ABSTRACT |
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The influence of spindle immersion depth on the determination of glass melt viscosity was examined in rotating cylinder method. The exact adjustment of spindle immersion depth into soda lime silicate standard glass melts could be peformed by self-constructed electric system. The results showed a slight dependence of viscosity value on the immersion depth change of spindle shaft. The viscosity error per unit length of spindle was 0.4%/mm under the present cylinder dimension. |
| Key words:
Glass melt viscosity, Rotating cylinder method, Spindle immersion depth |
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