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This chapter explores advancements in magnesium matrix composites reinforced with ceramic fibers or particulate materials such as silicon carbide (SiC), boron carbide (B4C), titanium carbide (TiC), aluminum oxide (Al2O3), and boron nitride (BN). Using fabrication methods including stir casting, powder metallurgy, spark plasma sintering, and equal-channel angular extrusion, researchers have achieved improvements in the mechanical, microstructural, and tribological properties of magnesium composites. Reinforcements enhance grain refinement, tensile strength, hardness, wear resistance, and thermal stability. However, challenges such as particle clustering, reduced ductility at high reinforcement levels, and porosity, which require advanced processing techniques, remain. Magnesium composites with optimized reinforcement distribution and interfacial bonding show strong potential for lightweight, high-performance applications in aerospace, automotive, and related industries.

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Magnesium-Based Composites with Micron-Sized Reinforcements

  • 章节

  • 发表日期：

    2025年

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  • Sankaranarayanan Seetharaman,
  • Dhivya Sankaranarayanan,
  • Eugene Wong,
  • Manoj Gupta

摘要

This chapter explores advancements in magnesium matrix composites reinforced with ceramic fibers or particulate materials such as silicon carbide (SiC), boron carbide (B4C), titanium carbide (TiC), aluminum oxide (Al2O3), and boron nitride (BN). Using fabrication methods including stir casting, powder metallurgy, spark plasma sintering, and equal-channel angular extrusion, researchers have achieved improvements in the mechanical, microstructural, and tribological properties of magnesium composites. Reinforcements enhance grain refinement, tensile strength, hardness, wear resistance, and thermal stability. However, challenges such as particle clustering, reduced ductility at high reinforcement levels, and porosity, which require advanced processing techniques, remain. Magnesium composites with optimized reinforcement distribution and interfacial bonding show strong potential for lightweight, high-performance applications in aerospace, automotive, and related industries.