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The poker-chip experiments of Gent and Lindley (1959) explained

Oscar Lopez-Pamies's picture

Despite being commonly credited with initiating the field of cavitation in elastomers, the famed poker-chip experiments of Gent and Lindley (1959) have yet to be fully explained. One likely reason for their elusiveness is that it had long been presumed that cavitation in elastomers was a phenomenon that could be explained solely on the basis of the elasticity of the elastomer at hand. Of late, full-field analyses and experiments carried out at high spatiotemporal resolution have impugned such a belief by indicating, instead, that cavitation in elastomers is first and foremost a fracture phenomenon. In that spirit, Kumar, Francfort, and Lopez-Pamies (2018) have introduced a comprehensive macroscopic phase-field theory for the nucleation and propagation of fracture in elastomers undergoing arbitrarily large quasistatic deformations. The purpose of this paper is to deploy this theory in order to explain in a detailed and quantitative manner the seminal poker-chip experiments of Gent and Lindley.



Konstantin Volokh's picture

Dear Oscar,

This is an interesting paper yet the idea of cavitation as a damage (rather than purely elastic) phenomenon is not that new. Here are papers on the topic, which were published quite a few years ago:

Volokh KY (2011) Cavitation instability in rubber. International Journal of Applied Mechanics 3:29311

Lev Y, Volokh KY (2016) On cavitation in rubberlike materials. Journal of Applied Mechanics 83:044501

Faye A, Rodríguez-Martínez JA, Volokh KY (2017) Spherical void expansion in rubber-like materials: the stabilizing effects of viscosity and inertia. International Journal of Non-Linear Mechanics 92:118-126

Best regards,


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