Discrepancy between sub-critical and fast rupture roughness: a cumulant analysis
N. Mallick, P. -P. Cortet, S. Santucci, S. G. Roux, L. Vanel
Abstract
We study the roughness of a crack interface in a sheet of paper. We distinguish between slow (sub-critical) and fast crack growth regimes. We show that the fracture roughness is different in the two regimes using a new method based on a multifractal formalism recently developed in the turbulence literature. Deviations from monofractality also appear to be different in both regimes.
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