Multiscale Modeling Of Cyclic Plastic Deformation of Magnesium Alloy AZ31 Using Crystal Plasticity Finite Element Method and Computational Homogenization

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JALILI M.; SOLTANI B.; NAYEBI A.

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Journal: Modares Mechanical Engineering Year:2020 | Volume:20 | Issue:3 Page(s): 761-775

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Title

Multiscale Modeling Of Cyclic Plastic Deformation of Magnesium Alloy AZ31 Using Crystal Plasticity Finite Element Method and Computational Homogenization

Author(s)

JALILI M. | SOLTANI B. | NAYEBI A. | Issue Writer Certificate

Keywords

Finite Element Crystal PlasticityQ1

Computational HomogenizationQ1

TwinningQ1

DetwinningQ1

AZ31 Mg AlloyQ1

Abstract

In the present research, a multiscale method based on crystal plasticity finite element method and Computational Homogenization is proposed to simulate monotonic and cyclic plastic deformation of a highly textured rolled magnesium alloy AZ31. All active deformation mechanisms including slip, Twinning as well as deTwinning have been simulated in the model through user material subroutine in ABAQUS (UMAT). All representative volume elements have been constructed, synthetically. Polycrystal laminate has been reproductive by representative volume element (RVE) and periodic boundary conditions have been applied on the RVE faces. For cyclic validations, uniaxial compression-tension along extrusion direction has been applied for 2 loading cycles and the problem at the macroscopic scale has been solved by the ABAQUS finite element solver. The results are in good accordance with the experimental curves and the proposed model can accurately predict all cyclic behavior characteristics like asymmetry in a stress-strain curve due to alternating Twinning-deTwinning, tensile and compressive peak stresses, Twinning and deTwinning.

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APA: Copy

JALILI, M., SOLTANI, B., & NAYEBI, A.. (2020). Multiscale Modeling Of Cyclic Plastic Deformation of Magnesium Alloy AZ31 Using Crystal Plasticity Finite Element Method and Computational Homogenization. MODARES MECHANICAL ENGINEERING, 20(3 ), 761-775. SID. https://sid.ir/paper/179093/en

Vancouver: Copy

JALILI M., SOLTANI B., NAYEBI A.. Multiscale Modeling Of Cyclic Plastic Deformation of Magnesium Alloy AZ31 Using Crystal Plasticity Finite Element Method and Computational Homogenization. MODARES MECHANICAL ENGINEERING[Internet]. 2020;20(3 ):761-775. Available from: https://sid.ir/paper/179093/en

IEEE: Copy

M. JALILI, B. SOLTANI, and A. NAYEBI, “Multiscale Modeling Of Cyclic Plastic Deformation of Magnesium Alloy AZ31 Using Crystal Plasticity Finite Element Method and Computational Homogenization,” MODARES MECHANICAL ENGINEERING, vol. 20, no. 3 , pp. 761–775, 2020, [Online]. Available: https://sid.ir/paper/179093/en

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