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Image-based high strain-rate testing for the characterization of viscoplasticity

Image-based high strain-rate testing for the characterization of viscoplasticity
Image-based high strain-rate testing for the characterization of viscoplasticity

The present work aims at identifying an elastic-viscoplastic material behaviour over a wide strain and strain-rate range (up to 0.1 and 1000 s-1 respectively), using the so-called Virtual Fields Method. To define the experimental campaign, a design process has been set. This relies on the numerical optimization of the setup-notably the specimen shape? with respects to user-defined criteria. Finally, the selected configuration ensures an accurate and robust identification of material parameters.

EDP Sciences
Bouda, Pascal
1027e51c-52a6-4312-a4bb-d8a51355eda1
Langrand, Bertrand
37329eaa-5ae4-4464-b0d4-6261882804e2
Notta-Cuvier, Delphine
7fedc6e2-6e8f-4b95-9f4c-f05b7e88422f
Markiewicz, Eric
4613516d-05ba-4e06-91c9-fceefa05ac88
Pierron, Fabrice
a1fb4a70-6f34-4625-bc23-fcb6996b79b4
Bouda, Pascal
1027e51c-52a6-4312-a4bb-d8a51355eda1
Langrand, Bertrand
37329eaa-5ae4-4464-b0d4-6261882804e2
Notta-Cuvier, Delphine
7fedc6e2-6e8f-4b95-9f4c-f05b7e88422f
Markiewicz, Eric
4613516d-05ba-4e06-91c9-fceefa05ac88
Pierron, Fabrice
a1fb4a70-6f34-4625-bc23-fcb6996b79b4

Bouda, Pascal, Langrand, Bertrand, Notta-Cuvier, Delphine, Markiewicz, Eric and Pierron, Fabrice (2018) Image-based high strain-rate testing for the characterization of viscoplasticity. In DYMAT 2018 - 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading. vol. 183, EDP Sciences.. (doi:10.1051/epjconf/201818302032).

Record type: Conference or Workshop Item (Paper)

Abstract

The present work aims at identifying an elastic-viscoplastic material behaviour over a wide strain and strain-rate range (up to 0.1 and 1000 s-1 respectively), using the so-called Virtual Fields Method. To define the experimental campaign, a design process has been set. This relies on the numerical optimization of the setup-notably the specimen shape? with respects to user-defined criteria. Finally, the selected configuration ensures an accurate and robust identification of material parameters.

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e-pub ahead of print date: 7 September 2018
Published date: 7 September 2018
Venue - Dates: 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading, DYMAT 2018, Arcachon, France, 2018-09-09 - 2018-09-14

Identifiers

Local EPrints ID: 423810
URI: https://eprints.soton.ac.uk/id/eprint/423810
PURE UUID: dd052d1b-066e-4727-b48f-ab605c9492fe
ORCID for Fabrice Pierron: ORCID iD orcid.org/0000-0003-2813-4994

Catalogue record

Date deposited: 02 Oct 2018 16:30
Last modified: 14 Mar 2019 01:38

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Contributors

Author: Pascal Bouda
Author: Bertrand Langrand
Author: Delphine Notta-Cuvier
Author: Eric Markiewicz
Author: Fabrice Pierron ORCID iD

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