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In this study, a metal matrix composite is fabricated by mixing the copper metal with cerium oxide nanoparticles via friction stir processing (FSP). This research primarily attempts to analyze the impact of process parameters of FSP on the mechanical characteristics of the formed composite. Rotational speed, number of passes, and transverse speed were varied from 1000 to 1200 rpm, 1 to 3, and 25 to 45, respectively, to explore the mechanical behavior of composite in terms of tensile strength and hardness. Taguchi was utilized for designing the experimental matrix and thereafter integrated with TOPSIS technique for optimizing the output responses. Further, analysis of variance highlighted the dominance of rotational speed over other input variables in affecting the hardness as well as tensile strength of the composite.

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Performance Study of Cerium Oxide Reinforced Copper Composite Fabricated via Friction Stir Processing

  • 会议论文

  • 发表日期：

    2025年

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  • Harsh Kumar,
  • Vikas Kumar,
  • Ram Niwas

摘要

In this study, a metal matrix composite is fabricated by mixing the copper metal with cerium oxide nanoparticles via friction stir processing (FSP). This research primarily attempts to analyze the impact of process parameters of FSP on the mechanical characteristics of the formed composite. Rotational speed, number of passes, and transverse speed were varied from 1000 to 1200 rpm, 1 to 3, and 25 to 45, respectively, to explore the mechanical behavior of composite in terms of tensile strength and hardness. Taguchi was utilized for designing the experimental matrix and thereafter integrated with TOPSIS technique for optimizing the output responses. Further, analysis of variance highlighted the dominance of rotational speed over other input variables in affecting the hardness as well as tensile strength of the composite.