Evaluation of Plasticity Models Using Uniaxial Tensile Test

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European Mechanical Science
Volume:4 Issue:3
Evaluation of Plasticity Models Using Uniaxial Tensile Test

Evaluation of Plasticity Models Using Uniaxial Tensile Test

Authors : Aysema ÜNLÜ, Emre ESENER, Mehmet FIRAT

Pages : 116-122

Doi:10.26701/ems.736492

View : 20 | Download : 7

Publication Date : 2020-09-20

Article Type : Research Paper

Abstract :In this study, it is aimed to evaluate plasticity model prediction performance for plastic behavior of materials using a uniaxial tensile test. For this purpose, von Mises, Hill-48, Hill-93, Barlat-89 and Hu -2003 plasticity models are studied, and DC04, DP780, 6000 series aluminum alloy are used as materials. Tensile tests are performed with three directions insert ignore into journalissuearticles values(rolling, diagonal, transverse);, and mechanical properties of materials are obtained. In addition, anisotropy coefficients of materials are calculated by uniaxial tensile tests. Validation of plasticity models is performed using obtained material parameters. Yield locus and yield stresses-anisotropy coefficients depends on directions are used in evaluation of plasticity models. As a result of this study, Hu-2003 showed the best modeling performance for all materials.
Keywords : Plasticity Modeling, Tensile Test, Anisotropy, Yield Locus

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