Abstract
In heterogeneous materials, cracks are never flat. This observation is however trivial, as the presence of different phases in the material, (voids, inclusions,…) produces stress intensity factor (SIF) modulation along the crack front which has to match the different phase toughness, and hence the crack is deflected, retarded or accelerated leaving in its trail a rough crack surface.
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Tanguy, A., Gounelle, M., Roux, S. (1998). Crack Roughness. In: Frantziskonis, G.N. (eds) PROBAMAT-21st Century: Probabilities and Materials. NATO ASI Series, vol 46. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5216-7_5
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DOI: https://doi.org/10.1007/978-94-011-5216-7_5
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