What does this research mean for the field?

In multi-axis near-dry electrical discharge machining of Inconel-718, brass electrodes achieve nearly twice the material removal rate of copper electrodes, whereas copper electrodes exhibit significantly lower electrode wear rates. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the machining performance and electrode behavior of a multi-axis near-dry electrical discharge machining system on Inconel-718 using copper and brass tubular electrodes.

August 23, 2026Journal of Micromanufacturing

Effects of process parameters on performance measures in multi-axis near-dry EDM using copper and brass electrodes

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Authors

AKAnkush Katheria LNLeeladhar Nagdeve KDKrishnakant Dhakar

Discussion

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Overview

Experimental study reveals distinct material removal and tool wear trade-offs in Inconel-718 near-dry EDM, highlighting electrode-specific optimization for sustainable manufacturing.

Key Points

To evaluate the machining performance and electrode behavior of a multi-axis near-dry electrical discharge machining system on Inconel-718 using copper and brass tubular electrodes.
Utilized an in-house multi-axis near-dry EDM system with a compressed air-assisted liquid mist dielectric.
Assessed the effects of discharge current, gap voltage, and pulse-on time using a Taguchi L9 orthogonal array and signal-to-noise ratio analysis.
Brass electrodes achieved a maximum material removal rate of 10.21571 mm³/min, nearly double that of copper electrodes at 5.37241 mm³/min.
Copper electrodes demonstrated significantly lower tool wear, with electrode wear rates of 4.582 to 5.742 mm³/min versus 12.119 to 14.075 mm³/min for brass electrodes.

Cite This Study

Katheria et al. (2026) studied this question.

synapsesocial.com/papers/6a8aae337677a34114446fb7 https://doi.org/10.1177/25165984261474362

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August 23, 2026Journal of Micromanufacturing

Effects of process parameters on performance measures in multi-axis near-dry EDM using copper and brass electrodes

View Full Paper

Ask AI

Bookmark

Authors

AKAnkush Katheria LNLeeladhar Nagdeve KDKrishnakant Dhakar

Discussion

Member takes

Overview

Experimental study reveals distinct material removal and tool wear trade-offs in Inconel-718 near-dry EDM, highlighting electrode-specific optimization for sustainable manufacturing.

Key Points

To evaluate the machining performance and electrode behavior of a multi-axis near-dry electrical discharge machining system on Inconel-718 using copper and brass tubular electrodes.
Utilized an in-house multi-axis near-dry EDM system with a compressed air-assisted liquid mist dielectric.
Assessed the effects of discharge current, gap voltage, and pulse-on time using a Taguchi L9 orthogonal array and signal-to-noise ratio analysis.
Brass electrodes achieved a maximum material removal rate of 10.21571 mm³/min, nearly double that of copper electrodes at 5.37241 mm³/min.
Copper electrodes demonstrated significantly lower tool wear, with electrode wear rates of 4.582 to 5.742 mm³/min versus 12.119 to 14.075 mm³/min for brass electrodes.

Cite This Study

Katheria et al. (2026) studied this question.

synapsesocial.com/papers/6a8aae337677a34114446fb7 https://doi.org/10.1177/25165984261474362

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