Physics – Condensed Matter – Materials Science
Scientific paper
2006-11-17
Physics
Condensed Matter
Materials Science
Scientific paper
10.1088/1742-5468/2007/04/L04001
Experimental investigations of plastic flow have demonstrated temporal intermittency as deformation proceeds in a series of intermittent bursts with scale-free size distribution. In the present investigation, a corresponding spatial intermittency is demonstrated for plastic flow of KCl single crystals. Deformation bursts lead to large surface steps with a height distribution that is consistent with the distribution of strain increments in deformation of micro-columns, and the energy distribution of acoustic emission bursts observed in deformation of macroscopic single crystal samples of a wide class of materials.
Blackford Jane R.
Koutsos Vasileios
Madani-Grasset Frederic
Nadgorny Edward
Schwerdtfeger Jan
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