Cavitation-induced nucleation of ice: A possible mechanism for frost-cracking in rocks
- 1 November 1976
- journal article
- research article
- Published by Taylor & Francis in New Zealand Journal of Geology and Geophysics
- Vol. 19 (6), 821-826
- https://doi.org/10.1080/00288306.1976.10420741
Abstract
An analogy is drawn between the solidification of undercooled metal melts (for example nickel) that, at a particular temperature below the melting point, crystallise rapidly with the production of a shock wave, and the formation of ice from under-cooled water. The calculated shock preswre for the process exceeds the tensile strength of most rocks, suggesting that such a process might be responsible for frost-cracking in rocks. Undercoolings of a few degrees would suffice for this solidification. Mechanistic considerations favour a cavitation-induced nucleation for the process.Keywords
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