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Article overview
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Length-scale dependent aging and plasticity of a colloidal polycrystal under cyclic shear | Elisa Tamborini
; Luca Cipelletti
; Laurence Ramos
; | Date: |
8 Nov 2013 | Abstract: | We investigate plasticity in a colloidal polycrystal by using confocal
microscopy and time-resolved light scattering, following the evolution of the
network of grain boundaries as the sample is submitted to a large number of
shear deformation cycles. The dynamics associated with plasticity are found to
be ballistic and to slow down until a steady state is reached after a large
number of shear cycles. Surprisingly, the cross-over time between the initial
aging regime and the steady state decreases with increasing probed length
scale, hinting at a hierarchical organization of the grain boundary dynamics. | Source: | arXiv, 1311.1996 | Services: | Forum | Review | PDF | Favorites |
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