Strain Localization Modes within Single Crystals Using Finite Deformation Strain Gradient Crystal Plasticity

Autor: Lei Cai, Mohamed Jebahi, Farid Abed-Meraim

Publikováno v: Crystals, Vol 11, Iss 10, p 1235 (2021)

The present paper aims at providing a comprehensive investigation of the abilities and limitations of strain gradient crystal plasticity (SGCP) theories in capturing different kinds of localization modes in single crystals. To this end, the small def

Externí odkaz: https://doaj.org/article/c561e630656d4e31ac31b59724e15df7

Determination of Forming Limit Diagrams Based on Ductile Damage Models and Necking Criteria

Autor: Hocine Chalal, Farid Abed-Meraim

Publikováno v: Latin American Journal of Solids and Structures, Vol 14, Iss 10, Pp 1872-1892

Abstract In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through numerical simulations using various localized necking criteria. A comparative study is conducted for the FLDs determined by using the Lemaitre damage ap

Externí odkaz: https://doaj.org/article/c1873d8850374983918965839f0098a0

Investigation of the Effect of Morphological and Crystallographic Textures on the Ductility Limits of Thin Metal Sheets Using a Cpfem-Based Approach

Autor: Shuai ZHOU, Mohamed BEN BETTAIEB, Farid Abed-Meraim

Publikováno v: SSRN Electronic Journal.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ff9e8099a2ec48a9628cbc869272301
https://doi.org/10.2139/ssrn.4332003

An advanced elastoplastic framework accounting for induced plastic anisotropy fully coupled with ductile damage

Autor: Farid Abed-Meraim, Khemais Saanouni, Carl Labergere, Mohamed Ben Bettaieb, Houssem Badreddine, Joseph Paux

Publikováno v: International Journal of Mechanical Sciences
International Journal of Mechanical Sciences, Elsevier, 2021, 207, pp.106620. ⟨10.1016/j.ijmecsci.2021.106620⟩
International Journal of Mechanical Sciences, 2021, 207, pp.106620. ⟨10.1016/j.ijmecsci.2021.106620⟩

We present in this investigation an advanced phenomenological approach combining the computational efficiency of classical phenomenological plasticity models and the accuracy and high resolution of multiscale crystal plasticity schemes. Within this a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::472eae71998045d193353ff12b492354
https://hal.archives-ouvertes.fr/hal-03276459

An Anisotropic Model with Linear Perturbation Technique to Predict HCP Sheet Metal Ductility Limit

Autor: Mohamed Yassine Jedidi, Mohamed Ben Bettaieb, Farid ABED-MERAIM, Mohamed Taoufik Khabou, Anas Bouguecha, Mohamed Haddar

Publikováno v: Lecture Notes in Mechanical Engineering ISBN: 9783030849573
Proceedings of the International Conference on Advanced Materials Mechanics and Manufacturing
International Conference on Advanced Materials Mechanics and Manufacturing (A3M 2021)
International Conference on Advanced Materials Mechanics and Manufacturing (A3M 2021), Mar 2021, Sfax, Tunisia. 14 pp
HAL
Advances in Materials, Mechanics and Manufacturing
Advances in Materials, Mechanics and Manufacturing, Springer International Publishing, pp.164-176, 2022, 978-303084957-3. ⟨10.1007/978-3-030-84958-0_18⟩

International audience; In this paper, hexagonal closed packed (HCP) sheet metal ductility for a viscoplastic material is analyzed by using a linear perturbation technique. It can be used for the analysis of local-ized necking. This technique is used

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db55b49ec5c8bd0bb525fe5490e3374e
https://doi.org/10.1007/978-3-030-84958-0_18