Anomalously low elastic stability of NaCl-H2O ice at low temperatures

Author: Fateev, E.

Source: Technical Physics, Volume 55, Number 7, July 2010 , pp. 958-964(7)

Publisher: MAIK Nauka/Interperiodica

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Abstract:

Water-NaCl solid solutions with the salt weight fraction p = 0.0001–0.1000 subjected to high uniaxial compression exhibit elastic instability (similar to the Bridgman explosive effect) in the temperature range 100–260 K. At temperatures from 225 to 260 K, stability threshold p c (or a critical pressure at which the explosive instability occurs) of these solutions is equal to, or higher than, p c for pure water ice. However, in the temperature interval 100–225 K, thresholds p c for the NaCl-water solid solutions with p ≥ 0.001 are anomalously low. The largest drop of p c (by 15 to 30 times relative to p c for pure water ice) is observed for low p, 0.001 ≤ p ≤ 0.010. The possible structure of the solid ice solutions in all the temperature ranges mentioned above is analyzed in terms of the percolation theory as applied to elastic networks.

Document Type: Research Article

DOI: http://dx.doi.org/10.1134/S1063784210070078

Affiliations: Email: e.g.fateev@gmail.com

Publication date: July 1, 2010

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