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Experimental full field analysis for dynamic fractureof elastomer membranes

Abstract : Crack speed prediction in elastomer membranes under large strain (more than 150 %) remains a delicate question which necessitates coupled experimental-theoretical investigations. In order to compare experimental results with theoretical approaches but also to improve the understanding of dynamic crack propagation in soft materials, a crucial step is the measurement and analysis of kinematic and energetic fields in the material configuration during dynamic fracture. In this way, the proposed setup consists in a two-camera setup in order to perform digital image correlation during both quasi-static loading and dynamic fracture of the sample. The variety of kinematic and energetic fields that can be computed is illustrated. Finally, two studies highlighting the promises of full-field measurements in large strain fracture mechanics are presented: the computation of the dynamic J-integral and the observation of mechanical waves during high speed crack growth in elastomer membranes.
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https://hal.archives-ouvertes.fr/hal-03027053
Contributor : Thomas Corre <>
Submitted on : Thursday, November 26, 2020 - 11:43:34 PM
Last modification on : Saturday, November 28, 2020 - 3:21:19 AM
Long-term archiving on: : Saturday, February 27, 2021 - 8:28:27 PM

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T Corre, M Coret, E Verron, B Leblé, F Le Lay. Experimental full field analysis for dynamic fractureof elastomer membranes. International Journal of Fracture, Springer Verlag, 2020, ⟨10.1007/s10704-020-00447-1⟩. ⟨hal-03027053⟩

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