This paper is concerned with the selection of the geometries of test specimens for bulk metal characterization tests. Simulations of characterization tests on cylindrical, notched, and shear specimens were conducted to allow for the analysis of stress state evolution during the tests and to evidence the impact of geometry on stress state. Both stress triaxiality and Lode parameter were considered for selecting representative specimens. Three choice criterions were regarded: the diversification of stress states as well as the constancy and the nearness of stress state indicators to the theoretical values along the deformation.
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@article{CRMECA_2019__347_12_930_0,
author = {Sonda Moakhar and Hamdi Hentati and Maher Barkallah and Jamel Louati and Mohamed Haddar},
title = {Influence of geometry on stress state in bulk characterization tests},
journal = {Comptes Rendus. M\'ecanique},
pages = {930--943},
publisher = {Elsevier},
volume = {347},
number = {12},
year = {2019},
doi = {10.1016/j.crme.2019.10.003},
language = {en},
}
TY - JOUR AU - Sonda Moakhar AU - Hamdi Hentati AU - Maher Barkallah AU - Jamel Louati AU - Mohamed Haddar TI - Influence of geometry on stress state in bulk characterization tests JO - Comptes Rendus. Mécanique PY - 2019 SP - 930 EP - 943 VL - 347 IS - 12 PB - Elsevier DO - 10.1016/j.crme.2019.10.003 LA - en ID - CRMECA_2019__347_12_930_0 ER -
%0 Journal Article %A Sonda Moakhar %A Hamdi Hentati %A Maher Barkallah %A Jamel Louati %A Mohamed Haddar %T Influence of geometry on stress state in bulk characterization tests %J Comptes Rendus. Mécanique %D 2019 %P 930-943 %V 347 %N 12 %I Elsevier %R 10.1016/j.crme.2019.10.003 %G en %F CRMECA_2019__347_12_930_0
Sonda Moakhar; Hamdi Hentati; Maher Barkallah; Jamel Louati; Mohamed Haddar. Influence of geometry on stress state in bulk characterization tests. Comptes Rendus. Mécanique, Volume 347 (2019) no. 12, pp. 930-943. doi : 10.1016/j.crme.2019.10.003. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2019.10.003/
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