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Publisher DOI: 10.1177/1056789514546578
Title: Identification of fully coupled anisotropic plasticity and damage constitutive equations using a hybrid experimental–numerical methodology with various triaxialities
Language: English
Authors: Yue, Zhenming 
Soyarslan, Celal 
Badreddine, Houssem 
Saanouni, K. 
Tekkaya, A. Erman 
Keywords: Elastoplasticity;mixed hardening;ductile damage;microcracks closure;mechanical testing;inverse approach;Finite element method
Issue Date: 2014
Publisher: Sage
Source: International Journal of Damage Mechanics 5 (24): 683-710 (2014)
Journal or Series Name: International Journal of Damage Mechanics 
Abstract (english): A hybrid experimental–numerical methodology is presented for the parameter identification of a mixed nonlinear hardening anisotropic plasticity model fully coupled with isotropic ductile damage accounting for microcracks closure effects. In this study, three test materials are chosen: DP1000, CP1200, and AL7020. The experiments involve the tensile tests with smooth and notched specimens and two types of shear tests. The tensile tests with smooth specimens are conducted in different directions with respect to the rolling direction. This helps to determine the plastic anisotropy parameters of the material when the ductile damage is still negligible. Also, in-plane torsion tests with a single loading cycle are used to determine separately the isotropic and kinematic hardening parameters. Finally, tensile tests with otched specimens and Shouler and Allwood shear tests are used for the damage parameters identification validation tests.
DOI: 10.15480/882.1610
ISSN: 1056-7895
Institute: Kontinuums- und Werkstoffmechanik M-15 
Type: (wissenschaftlicher) Artikel
Permission Note: Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich. This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
License: In Copyright In Copyright
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