2014
DOI: 10.1177/1056789514524076
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Anisotropic ductile damage fully coupled with anisotropic plastic flow: Modeling, experimental validation, and application to metal forming simulation

Abstract: The main goal of this paper is the modeling, numerical simulation, and experimental validation of the anisotropic ductile damage effects on initially anisotropic plastic flow with mixed (isotropic and kinematic) nonlinear hardening under large plastic strains for metal forming processes simulation. A symmetric second-rank damage tensor together with a symmetrized fourth-rank damage-effect tensor is used to describe the anisotropic ductile damage evolution and its effect on the large plastic flow with hardening… Show more

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Cited by 30 publications
(23 citation statements)
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References 79 publications
(137 reference statements)
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“…This allows the definition of a single couple of state variables related to the plastic flow. This idea has been extended later by Saanouni and co-workers (Badreddine et al., 2010, 2016, 2017; Ghozzi et al., 2014; Rajhi et al., 2014; Saanouni, 2008, 2012; Saanouni and Chaboche, 2003; Saanouni and Hamed, 2013; Saanouni et al., 1994, 2011; Yue et al., 2015) to the total energy equivalence assumption, from which a couple of effective state variables associated with each dissipative phenomenon can be defined.…”
Section: Elasto-plastic Model Coupled With Ductile Damagementioning
confidence: 99%
“…This allows the definition of a single couple of state variables related to the plastic flow. This idea has been extended later by Saanouni and co-workers (Badreddine et al., 2010, 2016, 2017; Ghozzi et al., 2014; Rajhi et al., 2014; Saanouni, 2008, 2012; Saanouni and Chaboche, 2003; Saanouni and Hamed, 2013; Saanouni et al., 1994, 2011; Yue et al., 2015) to the total energy equivalence assumption, from which a couple of effective state variables associated with each dissipative phenomenon can be defined.…”
Section: Elasto-plastic Model Coupled With Ductile Damagementioning
confidence: 99%
“…A better prediction of the punch displacement and the punch force at fracture were obtained with the anisotropic damage model compared to an isotropic damage model. Rajhi et al (2014) developed a model for anisotropic damage which also takes into account Hill-type plastic anisotropy. However, in these valuable studies the anisotropic damage itself, i.e., by microstructural analysis or measurement of changes in elastic properties, was not observed.…”
Section: Introductionmentioning
confidence: 99%
“…Following (Sidoroff, 1981), the elastic free energy equivalence (ɛe:σ=ɛe:σ) allows the definition of the effective strain similarly to the effective stress The degraded state of the stiffness tensor is then The concept of effective variable of isotropic hardening in the criterion was adopted by Chaboche (1977, 1978) and Saanouni and Abdul-Latif (1996) among others for the case of isotropic damage and the energy equivalence hypothesis. In the case of anisotropic damage, the Euclidean norm of the second-rank damage tensor (Rajhi et al., 2014; Voyiadjis and Park, 1997) allows a scalar damage quantity to be determined Thus …”
Section: Damage 2m1c Model Based On Cdm Approachmentioning
confidence: 99%
“…Therefore, during the deformation process only the amount of the damage increase (void growth) can be modelled, regardless of the change in void shape accompanying this growth. Several models that take into account damage anisotropy in metallic materials using CDM approach are available in the literature (Abu Al-Rub and Voyiadjis, 2003; Benzerga and Leblond, 2010; Besson, 2009; Chow and Jie, 2008; Desmorat, 2009; Garion and Skoczen, 2003; Murakami, 1990; Rajhi et al., 2014) However, for polymeric materials, damage anisotropy is mainly described using the PP approach (Benzerga et al., 2004; Besson, 2009; Chung et al., 2013; Gologanu et al., 1993, 1994; Zaïri et al., 2011).…”
Section: Introductionmentioning
confidence: 99%