Enhanced machining features and multi-objective optimization of CNT mixed-EDM process for processing 316L steel
Danish, Mohd Al‑Amin, Md. Rubaiee, Saeed Abdul-Rani, Ahmad Majdi Zohura, Fatema Tuj Ahmed, Anas Ahmed, Rasel Yildirim, Mehmet Bayram
Danish, Mohd
Al‑Amin, Md.
Rubaiee, Saeed
Abdul-Rani, Ahmad Majdi
Zohura, Fatema Tuj
Ahmed, Anas
Ahmed, Rasel
Yildirim, Mehmet Bayram
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2022-04-06
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Keywords
316L steel,Electro-discharge,Multi-objective ant lion optimizer,Carbon nanotubes,Roughness
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Citation
Danish, M., Al-Amin, M., Rubaiee, S. et al. Enhanced machining features and multi-objective optimization of CNT mixed-EDM process for processing 316L steel. Int J Adv Manuf Technol (2022). https://doi.org/10.1007/s00170-022-09157-5
Abstract
There is a high roughness and tool wear rate (TER), and a minimal material erosion rate (MER) when 316L steel is machined
through conventional or conductive powder mixed electro-discharge (EDM) processes. Since the required machining outputs are primarily dependent on process parameters due to their fuctuating nature during the operation, a thorough study is
required. This research intends to investigate the efects of EDM process parameters on the machining outputs. The carbon
nanotubes (CNT) are added to the working dielectric to achieve a high MER with a low TER and surface roughness (SR).
The machined surface’s morphology and composition are validated using scanning electron microscope (SEM) and electron dispersive X-ray (EDX). Taguchi’s design has been employed to conduct the EDM process parametric optimization
obtaining the smallest TER and SR of 0.34 mg/min and 1.55 µm, respectively. The greatest MER of 39.76 mg/min, which
is considered for the machining efcacy, is obtained. The most relevant factor for MER, TER, and SR is current intensity,
followed by CNT quantity, according to analysis of variance (ANOVA). The estimated errors of the predicted solution sets
using the multi-objective ant lion optimizer (MOALO) are less than 10%, which confrm a high prediction of them. Findings
of this research will result in an efective manufacturing process for fabricating the devices made of 316L steel for biomedical and oil and gas applications.
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Publisher
Springer
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International Journal of Advanced Manufacturing Technology
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1433-3015