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The present study considers synthesis and characterization of magnesium-based composites. The ultrasonic-assisted stir cast route is utilized to incorporate nano B4C particles at different weight % such as 0.5, 1.0, 1.5 and 2.0. in AZ31 matrix. The morphologies of base alloy and composites are investigated under optical microscope and field emission scanning electron microscope (FESEM). Optical microscopy reveals \(\alpha\) -Mg and \(\beta\) -Mg17Al12 while field emission scanning electron microscopy exhibits the uniform distribution of ceramic B4C particles in magnesium matrix. Vicker’s micro hardness tester is utilized to measure the hardness of composites and base alloy. Prepared composites depict improved micro hardness over AZ31 alloy. Density of composites and alloys is determined with the help of Archimedes principle. The density of composite is significantly enhanced compared to base alloy.

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Ultrasonic-Assisted Stir Casting Synthesis and Characterization of Magnesium Metal Matrix Composites

  • 会议论文

  • 发表日期：

    2025年

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  • Vikram P. Titarmare,
  • Sudip Banerjee,
  • Prasanta Sahoo

摘要

The present study considers synthesis and characterization of magnesium-based composites. The ultrasonic-assisted stir cast route is utilized to incorporate nano B4C particles at different weight % such as 0.5, 1.0, 1.5 and 2.0. in AZ31 matrix. The morphologies of base alloy and composites are investigated under optical microscope and field emission scanning electron microscope (FESEM). Optical microscopy reveals \(\alpha\) -Mg and \(\beta\) -Mg17Al12 while field emission scanning electron microscopy exhibits the uniform distribution of ceramic B4C particles in magnesium matrix. Vicker’s micro hardness tester is utilized to measure the hardness of composites and base alloy. Prepared composites depict improved micro hardness over AZ31 alloy. Density of composites and alloys is determined with the help of Archimedes principle. The density of composite is significantly enhanced compared to base alloy.