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    Volume 8, Issue 1

    Enhanced Tensile Properties and Reversal of Tension-Compression Asymmetry of Magnesium Reinforced with High Entropy Alloy Particles

    (Received 19 March 2019; accepted 9 August 2019)

    Published Online: 2019

    CODEN: MPCACD

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    Abstract

    In this study, an attempt was made to develop magnesium-based composites containing a new type of reinforcement, ball-milled high entropy alloy (HEA) particles. The presence and variation in the amount of ball-milled HEA particles (2.5 wt. %, 5 wt. %, and 7.5 wt. %) in pure magnesium matrix and their effect on the microstructure and tensile properties of magnesium-HEA composites were investigated. HEA particle reinforcement triggered the particle-stimulated nucleation that effectively led to a significant reduction of matrix grain size in the composites. The yield and ultimate tensile strength were improved in magnesium-HEA composites. The reorientation of basal planes in recrystallized grains provided the random texture in the composites as compared to that of pure magnesium. The outcome of randomization of texture was the reduction in tension-compression yield asymmetry in the range of 0.93–1 in the case of composites.

    Author Information:

    Tun, Khin Sandar
    Department of Mechanical Engineering, National University of Singapore, Singapore,

    Gupta, Manoj
    Department of Mechanical Engineering, National University of Singapore, Singapore,


    Stock #: MPC20190062

    ISSN:2379-1365

    DOI: 10.1520/MPC20190062

    Author
    Title Enhanced Tensile Properties and Reversal of Tension-Compression Asymmetry of Magnesium Reinforced with High Entropy Alloy Particles
    Symposium ,
    Committee E01