Abstract
The thermal contraction of ice single crystals between 0 and −50 °C has been measured by the use of silicon strain gauges frozen on the crystal basal surface. The experimental results cannot be explained without assuming the existence of a Newtonian viscous layer at the ice-strain-gauge interface; this layer has a thickness which changes in temperature as predicted by Fletcher, and a viscosity intermediate between that of ice and that of supercooled water. The activation energy of the viscosity, (0.36±0.04) eV, seems to indicate that it is controlled by a vacancy mechanism in which only the vacancy migration is effective.
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (Feb. 28, 2003, 3 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 3:42 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 9, 2024, 7:02 p.m.) |
Issued | 45 years, 7 months ago (Jan. 15, 1980) |
Published | 45 years, 7 months ago (Jan. 15, 1980) |
Published Print | 45 years, 7 months ago (Jan. 15, 1980) |
@article{Mantovani_1980, title={Viscosity of the ice surface layer}, volume={72}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.439248}, DOI={10.1063/1.439248}, number={2}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Mantovani, S. and Valeri, S. and Loria, A. and del Pennino, U.}, year={1980}, month=jan, pages={1077–1083} }