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Comment on "viscosity measurement by cylindrical compression for numerical modeling of precision lens molding process"

: Richter, F.; Hoffmann, H.-J.


Journal of the American Ceramic Society 90 (2007), No.9, pp.3017-3018
ISSN: 0002-7820
Journal Article
Fraunhofer IWM ()
glass; viscoelasticity; viscosity; cylinder compression; modelling; friction; numerical simulation

Experimental data from the publication of Jain et al. were fitted using model developed by Richter which considers friction at the glass-mold interface. This results in a far better less fit differences and yields more precise data for viscoelastic materials data. Discrepencies in viscority data are pointed out.