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<p>This study examines the effects of rubber seed shell charcoal (RSSC) reinforcement on the mechanical and wear properties of magnesium (Mg) composites. Composites were produced through the stir casting method, incorporating RSSC in varying proportions of 0%, 2%, 4%, and 6%. The results indicated that a 2% addition of RSSC enhances the ultimate tensile strength by 24%, increasing it to 51&#xa0;MPa. However, additional reinforcement resulted in a gradual decline in tensile strength. Impact toughness, measured using the Charpy V-notch test, showed that the 2% RSSC-reinforced composite absorbed nearly five times more energy than unreinforced Mg. The Brinell Hardness Number (BHN) increased threefold with 4% RSSC reinforcement. Incorporating 2% RSSC minimized coefficient of friction (COF) and wear loss, while 6% RSSC increased COF, with 2% RSSC showing the least wear at lower loads and significant wear reduction at 15&#xa0;N. These findings suggest that a 2% RSSC addition to Mg composites offers an optimal balance of enhanced strength, toughness, and wear resistance, making it a promising material for various engineering applications.</p>

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Impact of Rubber Seed Shell Charcoal on the Tribological and Mechanical Properties of Sustainable Magnesium Composites

  • 期刊论文

  • 发表日期：

    2025年12月4日

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  • M. Jebapriya,
  • S. Senthil Murugan,
  • M. John Iruthaya Raj,
  • A. Seema

摘要

This study examines the effects of rubber seed shell charcoal (RSSC) reinforcement on the mechanical and wear properties of magnesium (Mg) composites. Composites were produced through the stir casting method, incorporating RSSC in varying proportions of 0%, 2%, 4%, and 6%. The results indicated that a 2% addition of RSSC enhances the ultimate tensile strength by 24%, increasing it to 51 MPa. However, additional reinforcement resulted in a gradual decline in tensile strength. Impact toughness, measured using the Charpy V-notch test, showed that the 2% RSSC-reinforced composite absorbed nearly five times more energy than unreinforced Mg. The Brinell Hardness Number (BHN) increased threefold with 4% RSSC reinforcement. Incorporating 2% RSSC minimized coefficient of friction (COF) and wear loss, while 6% RSSC increased COF, with 2% RSSC showing the least wear at lower loads and significant wear reduction at 15 N. These findings suggest that a 2% RSSC addition to Mg composites offers an optimal balance of enhanced strength, toughness, and wear resistance, making it a promising material for various engineering applications.