Experimental characterization and numerical prediction of ductile damage in forming of AA1050-O sheets

Msolli, Sabeur; Badreddine, Houssem; Labergère, Carl; Martiny, Marion; Robin, Guillaume; Jrad, Mohamad; Saanouni, Khémaïs; Choquart, François

doi:10.1016/j.ijmecsci.2015.05.020

Cited by 16 publications

(7 citation statements)

References 30 publications

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“…In this study AA1050 and A1100 aluminum alloys have been studied using ABAQUS/EXPLICIT finite element software in order to predict the earring phenomenon. As a first step a validation of the 3D model at the theoretical level (planar anisotropy) and experimental level (S.Msolli et al [30]) was carried out. A development of the numerical model was done in order to investigate the impact of punch nose radius and die shoulder radius on the earring heights.…”

Section: Resultsmentioning

confidence: 99%

“…After the much between the theory and the numerical model at the level of earring shape based on the planar anisotropy results. A comparison between the presented finite element model against the experimental tests of S. Msolli et al [30] has been used to validate the numerical model as shown in Figure 9.…”

Section: Validation Of the Modelmentioning

confidence: 99%

“…S. Msolli et al provided the experimental cup profile of AA1050 aluminum alloy as detailed in Ref [30]. Figure 9 shows the variation of cup height with rolling angle.…”

Section: Validation Of the Modelmentioning

confidence: 99%

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Numerical investigation of the effect of punch corner radius and die shoulder radius on the flange earrings for AA1050 and AA1100 aluminum alloys in cylindrical deep drawing process

Bouchaâla

Ghanameh

Faqir

et al. 2021

Heliyon

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In aeronautic sectors, lightweight materials are very demanded in order to reduce fuel consumption. Therefore, thinning drawn cups are very recommended. Reduction of thickness led to many geometrical and physical failures that damage the final product. Since most lightweight materials had a high level of anisotropic, the presence of earrings is one of the most significant failures faced in the deep drawing process. Many functions were developed in order to control these undesirable earrings in sheet metal parts. In this paper, a simulation of a 3D cylindrical deep drawing model for AA1050 and AA1100 aluminum alloys using ABAQUS finite element software was achieved. Prediction of earing phenomenon in deep drawing process was carried out. Moreover, the impact of punch corner radius and die shoulder radius on flange earrings was analyzed and a reduction of the percentage of earring heights was investigated.

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Section: Resultsmentioning

confidence: 99%

Section: Validation Of the Modelmentioning

confidence: 99%

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Numerical investigation of the effect of punch corner radius and die shoulder radius on the flange earrings for AA1050 and AA1100 aluminum alloys in cylindrical deep drawing process

Bouchaâla

Ghanameh

Faqir

et al. 2021

Heliyon

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“…No extended study or special treatment has been performed on the parameters s, β and γr in order to further identify their effect. Different metallic materials have been identified in different work (Ghozzi, 2014; Issa, 2012; Msolli, 2015). Generally, a good agreement for their values are found between 1.0≤s≤2.0 and 0.5≤β≤4.0 while some further investigation has been done for the parameter S due to its higher sensitivity.…”

Section: Materials Characterizationmentioning

confidence: 99%

Modeling and simulation of ductile damage in forged steel used to encapsulate high-level radioactive waste

Serveaux

Labergère

Bumbieler

et al. 2021

International Journal of Damage Mechanics

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Andra, the French national radioactive waste management agency, is in charge of studying the disposal of high-level and long-lived intermediate-level waste (HLW and ILW-LL) in a deep geological repository. According to the reference concept, it is planned to encapsulate high-level waste in non-alloy P285NH steel overpacks before inserting them into horizontal steel cased micro-tunnels. This work is a part of the study about the long-term behavior of a welded steel overpack subjected to external hydrostatic pressure and several localized loading paths. Indeed, the main objective of this work is to develop the most suitable model for non-alloy steel P285NH to be used in the prediction of the long-term overpack behavior. Dealing with a ductile steel, elastoplastic constitutive equations accounting for mixed nonlinear isotropic and kinematic hardening strongly coupled with ductile isotropic damage are adopted. They are formulated based on the classical thermodynamics of irreversible processes framework with state variables at the macroscopic scale, (Germain, 1973) (Lemaitre 1985, Saanouni 2012). In this paper, a new coupling formulation between the scalar isotropic ductile damage and the deviatoric and spherical part of the Cauchy stress and elastic strain tensors is proposed. In order to calibrate the developed model on P285NH steel, multiple tensile tests are performed using classical cylindrical specimens, notched specimens and double notched specimens. In the last part, some experimental fields are measured using digital image correlation. Application is made to a simplified overpack represented by thick walled cylinder subject to compressive loading path. A FEM (Finite Element method) crushing operation of an overpack’s cylindrical part has simulated and analysed.

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“…Later, Saanouni et co-workers used the CDM-approach and developed a thermodynamically-consistent model (TCM). Many applications of TCM where strong couplings (strong couplings (Badreddine et al, 2010;Lestriez et al, 2004;Msolli et al, 2015;Rajhi et al, 2014;Saanouni et al, 2010;Saanouni & Hamed, 2013;Saanouni, 2012;Saanouni, Cherouat, & Hammi, 2001;N'jock et al, 2020;Yue et al, 2019;Zhang et al, 2018bZhang et al, , 2019 were introduced based on the thermodynamics of irreversible processes (TIP) framework. Recently, other applications within the TIP framework were published.…”

Section: Introductionmentioning

confidence: 99%

Formability of aluminum 1050A at high temperatures: Numerical modeling and experimental validation

Ghazouani

Eladeb

Tashkandi

et al. 2021

Lat. Am. j. solids struct.

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The sheet metals are prone to large plastic deformation during forming processes. The study purpose is to investigate 1050A aluminum sheets thermomechanical behavior with ductile damage. A modified Swift model coupled to isotropic ductile damage and thermal effects was used. The forming parameters are introduced using Swift model coefficients and Erichsen index. An inverse identification procedure is applied to nonhomogeneous Erichsen test results. Bulge test is then used to validate the identified parameters. Erichsen test (Punch force vs displacement) results were obtained by experimental testing and simulation to build the objective function. Aluminum 1050A plasticity flow parameters and ductile damage variables were identified using a part of Erichsen test results. The remaining part of Erichsen test and bulge test results were used for validation. The numerical approach allowed the detection of failure zones with respect to thermal gradient induced by heat exchange. Within the isothermal condition, equivalent stresses and strains for 1050A Aluminum were obtained by simulations and experimental data.

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Experimental characterization and numerical prediction of ductile damage in forming of AA1050-O sheets

Cited by 16 publications

References 30 publications

Numerical investigation of the effect of punch corner radius and die shoulder radius on the flange earrings for AA1050 and AA1100 aluminum alloys in cylindrical deep drawing process

Numerical investigation of the effect of punch corner radius and die shoulder radius on the flange earrings for AA1050 and AA1100 aluminum alloys in cylindrical deep drawing process

Modeling and simulation of ductile damage in forged steel used to encapsulate high-level radioactive waste

Formability of aluminum 1050A at high temperatures: Numerical modeling and experimental validation

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