Abstract
A capillary dilatometer was used for measuring the thickness H of non-freezing water interlayers between ice and the surfaces of silica sol particles (radius R = 68, 56 and 16 nm), and between ice and the surfaces of very thin quartz capillaries (radius r ≈ 1 μm). Reversible H( T) dependences are obtained in the temperature range from −0.2 to – 1.5°C. The values of H( T) increase with increasing radius of the sol particles and with pressure P. Values of the heat of ice melting calculated from experimental data using the Clapeyron-Clausius equation are close to the known values for bulk ice. Values of the viscosity of non-freezing water interlayers were assessed on the basis of the measured shift rates of ice columns in quartz capillaries. In the region where t > −0.5°C and H > 10 nm the viscosity is about 2–3 times higher compared with that of bulk water.
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