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<p>Magnesium metal matrix composites play an essential role in industries with significant demand due to its light weight and high rigidity. But their lack of strength and durability makes them unsuitable for use in high-stress settings; so, new developments are required to enhance their mechanical performance. The purpose of this study is to investigate the possibility of reinforcing AZ31 alloy with boron carbide (B<sub>4</sub>C) and titanium diboride (TiB<sub>2</sub>). A wide variety of composite samples were created using the stir-casting method, including those with varying amounts of TiB<sub>2</sub> and B<sub>4</sub>C as well as those with pure AZ31 alloy. The study examined mechanical characteristics including hardness, wear resistance, elongation, and tensile strength. Composites containing 1wt% TiB<sub>2</sub> and 15% B<sub>4</sub>C outperformed the others in every respect; they reached impressive new heights in terms of hardness (80&#xa0;N/mm<sup>2</sup>), elongation (32%), wear resistance (0.28 microns/m), and tensile strength (180&#xa0;MPa). B<sub>4</sub>C and TiB<sub>2</sub> work together to strengthen the microstructure of the alloy and increase its load-bearing capacity, which is where these improvements come from. Magnesium alloys can be used in applications that demand high strength, wear resistance, and dependability; this study shows that customized reinforcement techniques can greatly enhance their mechanical performance.</p>

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Development and characterization of hybrid B₄C–TiB₂ reinforced AZ31 magnesium metal matrix composites

  • 期刊论文

  • 发表日期：

    2026年5月2日

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  • Vijay R. Khawale,
  • P. Satishkumar,
  • Sarang Pande,
  • Rajasekaran Saminathan,
  • Rajesh Kumar Balakrishnan,
  • C. Krishnaraj,
  • K. Suganya

摘要

Magnesium metal matrix composites play an essential role in industries with significant demand due to its light weight and high rigidity. But their lack of strength and durability makes them unsuitable for use in high-stress settings; so, new developments are required to enhance their mechanical performance. The purpose of this study is to investigate the possibility of reinforcing AZ31 alloy with boron carbide (B4C) and titanium diboride (TiB2). A wide variety of composite samples were created using the stir-casting method, including those with varying amounts of TiB2 and B4C as well as those with pure AZ31 alloy. The study examined mechanical characteristics including hardness, wear resistance, elongation, and tensile strength. Composites containing 1wt% TiB2 and 15% B4C outperformed the others in every respect; they reached impressive new heights in terms of hardness (80 N/mm2), elongation (32%), wear resistance (0.28 microns/m), and tensile strength (180 MPa). B4C and TiB2 work together to strengthen the microstructure of the alloy and increase its load-bearing capacity, which is where these improvements come from. Magnesium alloys can be used in applications that demand high strength, wear resistance, and dependability; this study shows that customized reinforcement techniques can greatly enhance their mechanical performance.