A dynamical law for slow crack growth in polycarbonate films

Abstract : We study experimentally the slow growth of a single crack in polycarbonate films submitted to uniaxial and constant imposed stress. For this visco-plastic material, we uncover a dynamical law that describes the dependence of the instantaneous crack velocity with experimental parameters. The law involves a Dugdale-Barenblatt static description of crack tip plastic zones associated to an Eyring's law and an empirical dependence with the crack length that may come from a residual elastic field.
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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00156750
Contributeur : Loïc Vanel <>
Soumis le : vendredi 23 mars 2018 - 11:08:12
Dernière modification le : samedi 10 novembre 2018 - 01:13:24

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CortetPRL2007.pdf
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Pierre-Philippe Cortet, Loïc Vanel, Sergio Ciliberto, Loic Vanel, Loı¨cloı¨c Vanel. A dynamical law for slow crack growth in polycarbonate films. Physical Review Letters, American Physical Society, 2007, 99 (20), 〈10.1103/PhysRevLett.99.205502〉. 〈ensl-00156750v2〉

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