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<p>Wire Electrical Discharge Machining (WEDM) is a sophisticated metal removing process, which is appropriate for creating intricate patterns in conductive materials like metal matrix composites. The current study examines WEDM for AA6351/AlN composites to identify various parameters and achieve performance metrics concerning lowest SR and maximum MRR. The composite was created through stir casting technique with 88 wt% AA6351 and 12 wt% AlN. Four machining variables have been used in the experiments namely, pulse current (I<sub>p</sub>), pulse-on time (T<sub>on</sub>), and pulse-off time (T<sub>off</sub>). To optimize the SR and MRR, Taguchi’s L<sub>9</sub> OA design of trials and ANOVA were used. According to the experimental outcomes, 15 amps of I<sub>p</sub>, 60 µs of T<sub>on</sub>, and 90 µs of T<sub>off</sub> are the most suitable process factors for achieving the greatest MRR. Similarly, the lower SR exhibited at 5 amps of I<sub>p</sub>, 20 µs of T<sub>on</sub> and 60 µs of T<sub>off</sub>. The results of the ANOVA showed that the most crucial variable for SR and MRR was T<sub>on</sub> with contributions of 51.24% and 65.82%.</p>

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Parametric optimization on WEDM of AA6351 composite through Taguchi

  • 期刊论文

  • 发表日期：

    2026年4月29日

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  • Vinayagam Mohanavel,
  • Abhilash Varadan,
  • M. K. Aravindan,
  • S. Magibalan,
  • Yashwant Singh Bisht,
  • Manickam Ravichandran

摘要

Wire Electrical Discharge Machining (WEDM) is a sophisticated metal removing process, which is appropriate for creating intricate patterns in conductive materials like metal matrix composites. The current study examines WEDM for AA6351/AlN composites to identify various parameters and achieve performance metrics concerning lowest SR and maximum MRR. The composite was created through stir casting technique with 88 wt% AA6351 and 12 wt% AlN. Four machining variables have been used in the experiments namely, pulse current (Ip), pulse-on time (Ton), and pulse-off time (Toff). To optimize the SR and MRR, Taguchi’s L9 OA design of trials and ANOVA were used. According to the experimental outcomes, 15 amps of Ip, 60 µs of Ton, and 90 µs of Toff are the most suitable process factors for achieving the greatest MRR. Similarly, the lower SR exhibited at 5 amps of Ip, 20 µs of Ton and 60 µs of Toff. The results of the ANOVA showed that the most crucial variable for SR and MRR was Ton with contributions of 51.24% and 65.82%.