Performance and surface integrity studies in electric discharge machining on Ti-6Al-4 V using neem oil dielectric and 3D Printed SS316L electrode.

Satyabrata Barik, Basanta Kumar Nanda, Swayam Bikash Mishra, Mantra Prasad Satpathy, Seyfu Tiruneh Debebe

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Satyabrata BarikSchool of Mechanical Engineering, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, 751024, Odisha, India.

Basanta Kumar NandaSchool of Mechanical Engineering, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, 751024, Odisha, India.

Swayam Bikash MishraSchool of Mechanical Engineering, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, 751024, Odisha, India.

Mantra Prasad SatpathySchool of Mechanical Engineering, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, 751024, Odisha, India.

Seyfu Tiruneh DebebeMechanical Engineering Department, Addis Ababa Science and Technology University, Addis Ababa-16417, Addis Ababa State, Addis Ababa, Ethiopia. tiruneh.seyfu@gmail.com.

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6 · The paper itself

Abstract

Bio-dielectric fluids and advanced 3D printed electrodes are essential for sustainable, precise Electric Discharge Machining (EDM) of critical Ti-6Al-4 V aerospace components. In this study, neem biodiesel dielectric and a precisely manufactured 3D-printed stainless-steel electrode were used to identify optimal EDM parameters that maximize material removal rate (MRR) and minimize tool wear rate (TWR) and surface roughness (SR). The experiments were carried out using response surface methodology (RSM) with Box-Behnken design (BBD). Regression models showed high predictive accuracy (R² > 0.98). An integrated MEREC-CoCoSo multi-response optimization approach was subsequently applied to the experimental results to obtain the best output values. The results revealed the optimal setting as current (I

Indexed as

3D printed electrodeCoCoSoEDMMERECMicrostructureNeem dielectricTitanium

Identifiers

PMID42103882

DOI10.1038/s41598-026-51103-y

PMCPMC13342515

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