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 Pc (or a critical pressure at which the explosive instability occurs) of these solutions is equal to, or higher than, Pc for pure water ice. However, in the temperature interval 100–225 K, thresholds Pc for the NaCl-water solid solutions with p ≥ 0.001 are anomalously low. The largest drop of Pc (by 15 to 30 times relative to Pc 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.
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