A micro-mechanically based continuum damage model for fatigue life prediction of filled rubbers

Abstract : This paper presents a continuum damage model based on two mechanisms: decohesion between fillers and matrix at a micro-scale followed by a crack nucleation at a macro-scale. That scenario was developed considering micro observations conduced with a SEM and an original experimental procedure based on simple shear and tension specimens. Damage accumulation is related to fatigue life using the continuum damage mechanics (CDM). The material behavior is investigated using the statistical framework introduced by Martinez et al. (2011). A Finite Element implementation is proposed and some numerical examples are provided.
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Julie Grandcoin, Adnane Boukamel, Stéphane Lejeunes. A micro-mechanically based continuum damage model for fatigue life prediction of filled rubbers. International Journal of Solids and Structures, Elsevier, 2014, 51 (6), pp.1274-1286. ⟨10.1016/j.ijsolstr.2013.12.018⟩. ⟨hal-00937229⟩

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