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Self-affine properties of fractures in brittle materials

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  • A Parisi
  • G Caldarelli
<mark>Journal publication date</mark>15/05/2000
<mark>Journal</mark>Physica A: Statistical Mechanics and its Applications
Issue number1-2
Number of pages5
Pages (from-to)161-165
Publication StatusPublished
<mark>Original language</mark>English


We present the result of numerical simulations for a fracturing process in a three-dimensional solid subjected to a mode-I load in a quasi-static regime. The solid is described using the Born model on an FCC lattice with a starting notch. We obtain a value of the roughness exponent ζ≃0.5 in agreement with the value measured in microfracturing experiments. Our result supports the idea that at small length scales the fracturing process can be considered as quasi-static, which is the basic of the possible application of the model of line depinning to the case of fractures.