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<p>In the present scenario, high-strength and low-weight product materials are a significant requirement for the automotive and aerospace sectors. The current study discovers the development of innovative hybrid aluminum Al7055 nanocomposites using nanoparticles of titanium diboride (TiB<sub>2</sub>) and graphene oxide (GO) to augment physical, mechanical, and tribological properties. Hybrid Al7055/TiB<sub>2</sub>/GO aluminum alloy nanocomposites are formed via the stir casting procedure. The Al7055 alloy matrix included nanoparticles strengthened through TiB<sub>2</sub> and GO in varying percentages of 5 wt.% TiB<sub>2</sub>, 5 wt.% GO, 10 wt.% TiB<sub>2</sub>, 10 wt.% GO, 5 wt.% TiB<sub>2</sub>/5 wt.% GO, and 10wt.% TiB<sub>2</sub>/10wt.% GO. The impact on mechanical properties, particularly microhardness, wear, density, porosity, and tensile strength, was examined and contrasted with the matrix Al7055 aluminum alloy. The outcomes of the research investigation to enhance the physical, mechanical, and wear resistance of hybrid aluminum Al7055 nanocomposites are density (2.99&#xa0;g/cm<sup>3</sup>), porosity (0.52504), microhardness (227 VHN), yield point (658&#xa0;MPa), ultimate tensile strength (743&#xa0;MPa), rupture point (763&#xa0;MPa), and maximum sliding distance of wear rate (27.32 X10<sup>−3</sup> mm<sup>3</sup>/m). For pistons, brake rotors, chassis, suspension arms, and gearbox housings, Al7055/TiB<sub>2</sub>/GO hybrid nanocomposites offer lightweight, high-strength, wear-resistant automotive solutions that greatly improve durability, thermal stability, and fuel efficiency.</p>

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Tailoring the Properties of Al7055 Alloy through Titanium Diboride and Graphene Oxide Reinforcements: Development and Characterization

  • 期刊论文

  • 发表日期：

    2025年12月19日

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  • Ashok Kumar Dorairaj,
  • Suresh Vellingiri,
  • Sekhar Babu Pendyala,
  • K. P. Yuvaraj

摘要

In the present scenario, high-strength and low-weight product materials are a significant requirement for the automotive and aerospace sectors. The current study discovers the development of innovative hybrid aluminum Al7055 nanocomposites using nanoparticles of titanium diboride (TiB2) and graphene oxide (GO) to augment physical, mechanical, and tribological properties. Hybrid Al7055/TiB2/GO aluminum alloy nanocomposites are formed via the stir casting procedure. The Al7055 alloy matrix included nanoparticles strengthened through TiB2 and GO in varying percentages of 5 wt.% TiB2, 5 wt.% GO, 10 wt.% TiB2, 10 wt.% GO, 5 wt.% TiB2/5 wt.% GO, and 10wt.% TiB2/10wt.% GO. The impact on mechanical properties, particularly microhardness, wear, density, porosity, and tensile strength, was examined and contrasted with the matrix Al7055 aluminum alloy. The outcomes of the research investigation to enhance the physical, mechanical, and wear resistance of hybrid aluminum Al7055 nanocomposites are density (2.99 g/cm3), porosity (0.52504), microhardness (227 VHN), yield point (658 MPa), ultimate tensile strength (743 MPa), rupture point (763 MPa), and maximum sliding distance of wear rate (27.32 X10−3 mm3/m). For pistons, brake rotors, chassis, suspension arms, and gearbox housings, Al7055/TiB2/GO hybrid nanocomposites offer lightweight, high-strength, wear-resistant automotive solutions that greatly improve durability, thermal stability, and fuel efficiency.