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<p>The friction stir processing technique, originating from friction stir welding, can manufacture surface composites with customised microstructural and mechanical properties. This experimental study investigates the effects of TiB<sub>2</sub> and B<sub>4</sub>C particles on the mechanical, microstructural and wear characteristics of the friction stir treated composite. The weight percentages of TiB<sub>2</sub> (8, 6.5, 5, 3.5 and 2) and B<sub>4</sub>C (2, 3.5, 5, 6.5 and 8) particles were adjusted in the formulation of the surface composites. The microstructural and mechanical characteristics of the AA6063/TiB<sub>2</sub>/B<sub>4</sub>C composite were examined. SEM analysis verified the presence of TiB2 and B4C in the stirred zone. Experimental results demonstrated that tensile strength and hardness increased by 33.62% and 30.91%, respectively, compared to the basic alloy. The AA6063–3.5%TiB<sub>2</sub>/6.5%B<sub>4</sub>C composite had a maximum tensile strength of 347.42&#xa0;MPa and a hardness of 86.4 HRB. The AA6063–3.5%TiB<sub>2</sub>/6.5%B<sub>4</sub>C composite exhibited a minimal corrosion loss of 7.4&#xa0;mg. At a load of 30 N, the AA6063–3.5%TiB2/6.5%B4C composite exhibits the least wear loss. The toughness attained for the AA6063–3.5%TiB<sub>2</sub>/6.5%B<sub>4</sub>C composite was 25.4&#xa0;J. The experimental results were compared with previously published research findings.</p>

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Friction Stir Processed AA6063/TiB2/B4C Composite: Assessment of Mechanical and Wear Properties

  • 期刊论文

  • 发表日期：

    2025年11月7日

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  • Manish Maurya,
  • Mohit Vishnoi,
  • Vikrant Singh,
  • Nitin Kumar,
  • Nagendra Kumar Maurya

摘要

The friction stir processing technique, originating from friction stir welding, can manufacture surface composites with customised microstructural and mechanical properties. This experimental study investigates the effects of TiB2 and B4C particles on the mechanical, microstructural and wear characteristics of the friction stir treated composite. The weight percentages of TiB2 (8, 6.5, 5, 3.5 and 2) and B4C (2, 3.5, 5, 6.5 and 8) particles were adjusted in the formulation of the surface composites. The microstructural and mechanical characteristics of the AA6063/TiB2/B4C composite were examined. SEM analysis verified the presence of TiB2 and B4C in the stirred zone. Experimental results demonstrated that tensile strength and hardness increased by 33.62% and 30.91%, respectively, compared to the basic alloy. The AA6063–3.5%TiB2/6.5%B4C composite had a maximum tensile strength of 347.42 MPa and a hardness of 86.4 HRB. The AA6063–3.5%TiB2/6.5%B4C composite exhibited a minimal corrosion loss of 7.4 mg. At a load of 30 N, the AA6063–3.5%TiB2/6.5%B4C composite exhibits the least wear loss. The toughness attained for the AA6063–3.5%TiB2/6.5%B4C composite was 25.4 J. The experimental results were compared with previously published research findings.