| Issue |
EPJ Web Conf.
Volume 183, 2018
DYMAT 2018 - 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 01043 | |
| Number of page(s) | 6 | |
| Section | Modelling and Numerical Simulation | |
| DOI | https://doi.org/10.1051/epjconf/201818301043 | |
| Published online | 07 September 2018 | |
https://doi.org/10.1051/epjconf/201818301043
Experimental and numerical analyses of the dynamic failure processes of symmetric Taylor impact specimens
Nexter Munitions,
7 route de Guerry,
18023
Bourges,
France
* Corresponding author: h.couque@nexter-group.fr
Published online: 7 September 2018
Failure processes encountered in the Taylor impact specimen are of two kinds, Mode II cracks initiating within adiabatic shear bands and tensile cracks. Because friction occurring with the single Taylor configuration influences the failure processes, it is necessary to use the symmetric loading procedure providing frictionless interfaces. Numerical simulations of the symmetric Taylor test have been conducted to reproduce the failure processes observed with a highly ductile nickel and a high strength tungsten alloy. Because the adiabatic shear failure process is occurring along a three dimension path, the 3D module of the hydrocode AUTODYN was used.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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