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<p>This research examines the wear properties of Al2219 /Si₃N₄/TiC hybrid composites made using stir casting fabrication methods. The L12 orthogonal array was used to run experiments based on five input variables which included Si₃N₄/TiC reinforcement amounts at 4 wt% and 8 wt%, die temperatures at 150&#xa0;°C and 300&#xa0;°C, along with melt temperatures at 500&#xa0;°C and 800&#xa0;°C, stir speeds at 250&#xa0;rpm and 550&#xa0;rpm, and stirring durations at 10 and 20&#xa0;min. ANOVA together with signal-to-noise (SN) ratio techniques analyzed the wear rate results. The SN ratio analysis determined A2-B2-C1-D1-E2 as the optimal parameters for maximum wear rate consisting of 8 wt% Si₃N₄/TiC reinforcement with a die temperature at 300&#xa0;°C while using a melt temperature of 500&#xa0;°C, a stir speed set at 250&#xa0;rpm during a stir time of 20&#xa0;min. ANOVA results showed that the percent of Si₃N₄/TiC reinforcement was the leading factor impacting wear rate with 49.6% influence followed by die temperature, stir speed melt temperature and stir time.</p>

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Effect of Si₃N₄/TiC nanoparticles on the wear performance of Stir-Cast AI based composites

  • 期刊论文

  • 发表日期：

    2026年1月17日

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  • V. Rahul,
  • S. Sathish,
  • S. Kannan,
  • K. Deepak,
  • S. Ram

摘要

This research examines the wear properties of Al2219 /Si₃N₄/TiC hybrid composites made using stir casting fabrication methods. The L12 orthogonal array was used to run experiments based on five input variables which included Si₃N₄/TiC reinforcement amounts at 4 wt% and 8 wt%, die temperatures at 150 °C and 300 °C, along with melt temperatures at 500 °C and 800 °C, stir speeds at 250 rpm and 550 rpm, and stirring durations at 10 and 20 min. ANOVA together with signal-to-noise (SN) ratio techniques analyzed the wear rate results. The SN ratio analysis determined A2-B2-C1-D1-E2 as the optimal parameters for maximum wear rate consisting of 8 wt% Si₃N₄/TiC reinforcement with a die temperature at 300 °C while using a melt temperature of 500 °C, a stir speed set at 250 rpm during a stir time of 20 min. ANOVA results showed that the percent of Si₃N₄/TiC reinforcement was the leading factor impacting wear rate with 49.6% influence followed by die temperature, stir speed melt temperature and stir time.