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Information Journal Paper

Title

The Numerical Modeling to Study the Multi-Pass Friction Stir Processing on Magnesium Casting Alloy AZ91

Pages

  9-16

Abstract

 In this research, the multi-pass friction stir processing on AZ91 alloy has been simulated with the three-dimensional numerical modeling based on the ABAQUS/ Explicit. This Simulation involves the Johnson-Cook models for defining the material behavior during this intense plastic deformation and investing the fracture criterion. Friction stir processing is a complex process that includes several issues such as high strain rate deformation, microstructure evolution, the asymmetric flow of material, and heat. Therefore, the modeling of this process is challenging. This model simulates the tool plunging and stirring phases in the two-pass process. In this paper, to prevent too much damage in the elements during processing, the Arbitrary Lagrangian-Eulerian technique for automatically remeshing of distorted elements has been used. This work shows that the numerical modeling can be an efficient method to study the effect of process parameters on the thermal evolution and the stress distribution. The thermal model was calibrated using the experimental results from the previous works. This model can predict the transient temperature distribution and residual stress field during FSP on AZ91. The results show that the maximum temperature in the advancing side is more than that in the retreating side. In addition, numerical results show that at the end-position of the process, the tool during the lift-up leaves the keyhole region in a compressive stress state.

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    APA: Copy

    Agha Amini Fashami, Hoda, HOSEINPOUR GOLLO, MOHAMMAD, Bani Mostafa Arab, Nasrollah, & Nami, Bahram. (2019). The Numerical Modeling to Study the Multi-Pass Friction Stir Processing on Magnesium Casting Alloy AZ91. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 12(4), 9-16. SID. https://sid.ir/paper/740682/en

    Vancouver: Copy

    Agha Amini Fashami Hoda, HOSEINPOUR GOLLO MOHAMMAD, Bani Mostafa Arab Nasrollah, Nami Bahram. The Numerical Modeling to Study the Multi-Pass Friction Stir Processing on Magnesium Casting Alloy AZ91. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2019;12(4):9-16. Available from: https://sid.ir/paper/740682/en

    IEEE: Copy

    Hoda Agha Amini Fashami, MOHAMMAD HOSEINPOUR GOLLO, Nasrollah Bani Mostafa Arab, and Bahram Nami, “The Numerical Modeling to Study the Multi-Pass Friction Stir Processing on Magnesium Casting Alloy AZ91,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 12, no. 4, pp. 9–16, 2019, [Online]. Available: https://sid.ir/paper/740682/en

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