On the formation of crack networks in high cycle fatigue

Nicolas Malesys (1) , M. Seyedi , Ludovic Vincent (2) , François Hild (1)

1 LMT - Laboratoire de Mécanique et Technologie
2 SRMA - Service des Recherches Métallurgiques Appliquées

A probabilistic model based on an initial distribution of sites is proposed to describe different aspects of the formation, propagation and coalescence of crack networks in thermomechanical fatigue. The interaction between cracks is modeled by considering shielding effects.

Mots clés: Fatigue; Crack shielding; Poisson point process; Weibull model

Domaines: Mécanique des matériaux [physics.class-ph]; Mécanique des matériaux [physics.class-ph]

Nicolas Malesys, M. Seyedi, Ludovic Vincent, François Hild. On the formation of crack networks in high cycle fatigue. Comptes Rendus Mécanique, 2006, 334, pp.419-424. ⟨10.1016/j.crme.2006.05.005⟩. ⟨hal-00109705⟩