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<p>Current research of aluminium alloy (AA2024) configured with hybrid reinforcements like 2 wt% of nano boron nitride (BN-50 nm) and 2–6 wt% of titanium dioxide (TiO<sub>2</sub>-50 nm) nanoparticles via ultrasonic-assisted stir casting process. During the casting process, argon shield gas is applied throughout the process, and 1 wt% potassium hexafluorotitanate (K2TiF6) wettability agent is added into AA2024 alloy. Combined action on the ultrasonic-assisted stir process with hybrid reinforcements on the surface morphology of composites is analyzed and found to result in homogeneous particle dispersion. The composite sample of AA2024 alloy with 2 wt% BN and 6 wt% TiO<sub>2</sub> hybrid nanocomposites demonstrated several notable properties: it exhibited low porosity (less than 1 %), increased impact toughness (16.3 J/mm<sup>2</sup>), a high Vickers hardness number (135 HV), and enhanced tensile strength (335 MPa). This hybrid nanocomposite sample is future-proof for high-performance structural applications.</p>

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Production and enhancement of mechanical properties of AA2024 alloy composites by using BN/TiO2

  • 期刊论文

  • 发表日期：

    2026年5月11日

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  • M. Aruna,
  • N. Nagabhooshanam,
  • Sharad Rathore,
  • Protyay Dey,
  • Helen Merina Albert,
  • M. Jankirama Rao,
  • N. Dineshbabu,
  • T. Thirugnanasambandham,
  • S. Sathiyamurthy

摘要

Current research of aluminium alloy (AA2024) configured with hybrid reinforcements like 2 wt% of nano boron nitride (BN-50 nm) and 2–6 wt% of titanium dioxide (TiO2-50 nm) nanoparticles via ultrasonic-assisted stir casting process. During the casting process, argon shield gas is applied throughout the process, and 1 wt% potassium hexafluorotitanate (K2TiF6) wettability agent is added into AA2024 alloy. Combined action on the ultrasonic-assisted stir process with hybrid reinforcements on the surface morphology of composites is analyzed and found to result in homogeneous particle dispersion. The composite sample of AA2024 alloy with 2 wt% BN and 6 wt% TiO2 hybrid nanocomposites demonstrated several notable properties: it exhibited low porosity (less than 1 %), increased impact toughness (16.3 J/mm2), a high Vickers hardness number (135 HV), and enhanced tensile strength (335 MPa). This hybrid nanocomposite sample is future-proof for high-performance structural applications.