Jan Schwerdtfeger et al J. Stat. Mech. (2007) L04001 doi:10.1088/1742-5468/2007/04/L04001
Jan Schwerdtfeger1, Edward Nadgorny1,2, Frederic Madani-Grasset1, Vasileios Koutsos1, Jane R Blackford1 and Michael Zaiser1,2
Show affiliationsExperimental 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 micron-size samples and the energy distribution of acoustic emission bursts observed in deformation of macroscopic single-crystal samples of a wide class of materials.
E-print Number: cond-mat/0611470
Cited: by |
Refers: to
68.35.B- Structure of clean surfaces (and surface reconstruction)
68.35.Gy Mechanical properties; surface strains
81.40.Lm Deformation, plasticity, and creep
62.20.F- Deformation and plasticity
81.40.Jj Elasticity and anelasticity, stress-strain relations
74Cxx Plastic materials, materials of stress-rate and internal-variable type
Issue 04 (April 2007)
Received 10 January 2007, accepted for publication 22 March 2007
Published 3 April 2007
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