Experimentally and Numerical Study on Deep Drawing Process for Magnesium Alloy Sheet at Elevated Temperatures

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  • Hai D. V.
    Department of Mechanical Engineering, Nagaoka University of Technology
  • Itoh S.
    Department of Mechanical Engineering, Nagaoka University of Technology
  • Sakai T.
    Department of Mechanical Engineering, Nagaoka University of Technology
  • Kamado S.
    Department of Mechanical Engineering, Nagaoka University of Technology
  • Kojima Y.
    Department of Mechanical Engineering, Nagaoka University of Technology

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Recently, magnesium alloys have been considered as a promising alternative for high-strength steel and aluminum in some applications because of its advantages such as low density, high specific strength etc. However, the application of formed magnesium wrought alloys components is restricted due to lack of knowledge for processing magnesium alloys at elevated temperatures. In this study, the deformation behavior of a cylindrical deep drawing of magnesium alloy sheets at elevated temperatures are simulated by using a non-isothermal finite element based on DEFORM 3D commercial software. In order to validate the finite element analysis, deep drawing test of cylindrical cup of AZ31 and AZ52 rolled sheets at given conditions was also performed. The experimental results show a good agreement with the finite element simulation predictions. The optimal forming temperature, thickness distribution of the cup and punch force were determined for the process.

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