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    Volume 8, Issue 1 (December 2019)

    Role of Friction Stir Processing Parameters on the Microstructure and Hardness of ZE41 Mg Alloy: A Taguchi Approach

    (Received 5 September 2018; accepted 30 October 2019)

    Published Online: 10 December 2019

    CODEN: MPCACD

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    Abstract

    In the present study, the influence of friction stir processing (FSP) tool rotational speed and tool travel speed on achieving higher hardness in ZE41 Mg alloy was investigated by adopting a Taguchi design model using orthogonal array. The extent of grain refinement, hardness enhancement, and achieving defect-free stir zones in FSP completely depend on process parameters. In the present work, FSP parameters such as tool rotation speed and tool traverse speed were varied. The microscopic and macroscopic observations revealed that tool speeds of 1,400 rpm with 25 and 50 mm/min feeds were found to be optimal to develop fine grain size and wide stir zone, respectively, without defect. These results are in good agreement with the design model and help with choosing optimized parameters with a minimum number of experiments in developing grain-refined ZE41 Mg alloy for emerging lightweight technological applications.

    Author Information:

    Venkataiah, M.
    Department of Mechanical Engineering, Vignan’s Foundation for Science, Technology and Research, Vadlamudi,

    Kumar, T. Anup
    Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram,

    Rao, K. Venkata
    Department of Mechanical Engineering, Vignan’s Foundation for Science, Technology and Research, Vadlamudi,

    Kumar, S. Anand
    Department of Mechanical Engineering, Indian Institute of Technology Jammu, Jammu,

    Sunil, B. Ratna
    Department of Mechanical Engineering, Bapatla Engineering College, Bapatla,


    Stock #: MPC20180145

    ISSN:2379-1365

    DOI: 10.1520/MPC20180145

    Author
    Title Role of Friction Stir Processing Parameters on the Microstructure and Hardness of ZE41 Mg Alloy: A Taguchi Approach
    Symposium ,
    Committee B07