Abstract
THE plasticity of rock salt crystals when immersed in water has been the subject of much attention recently1. The fact that the effect takes place more easily in hot water suggests that the rate of solution of the surface is a factor. I have therefore tried bending small plates of rock salt under running cold water from a large tap, and have found that the plasticity is surprising. Under these conditions it is quite easy to make a right angle bend in a plate of rock salt more than a millimetre thick in a matter of seconds.
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References
See E. G. Joffe, “Physics of Crystals”, and Proceedings International Congress of Physics, London, 1934 (in the press).
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DA C. ANDRADE, E. Plasticity of Rock Salt Crystals. Nature 135, 310 (1935). https://doi.org/10.1038/135310a0
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DOI: https://doi.org/10.1038/135310a0
