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Dynamic VFM to Identify Viscoplastic Parameters. Analysis of Impact Tests on Titanium Alloy

Abstract : The present work aims at identifying an elastic-viscoplastic material behavior over a wide plastic strain and plastic strain-rate range (up to 0.1 and 1000 s−1 respectively), using the Virtual Fields Method. Image-Based Inertial Impact tests have been performed on the Ti6Al4V titanium alloy. The strain-rate dependency of the material has been identified with the results provided by these tests and compared to references.
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https://hal-uphf.archives-ouvertes.fr/hal-03439323
Contributor : Mylène Delrue Connect in order to contact the contributor
Submitted on : Monday, November 22, 2021 - 11:08:23 AM
Last modification on : Wednesday, November 24, 2021 - 4:31:45 PM

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Thomas Fourest, Pascal Bouda, Bertrand Langrand, Delphine Notta-Cuvier, Eric Markiewicz, et al.. Dynamic VFM to Identify Viscoplastic Parameters. Analysis of Impact Tests on Titanium Alloy. Residual Stress, Thermomechanics & Infrared Imaging and Inverse Problems, 6, Springer International Publishing, pp.101-103, 2020, Conference Proceedings of the Society for Experimental Mechanics Series, ⟨10.1007/978-3-030-30098-2_15⟩. ⟨hal-03439323⟩

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