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<p>Micro-ECDM process tries to take entry in industrial field to cut various non-conducting materials like silica. In this article the parametric influences and comparative studies of various machining performances such as MRR, OC and HAZ has been addressed using electrolyte concentrations (wt.%), duty ratio (%) applied voltage (V) as well as pulse frequency (Hz), as process variables and mixed electrolyte of (NaOH + KOH) with different proportion 1:0, 3:1, 1:1, 1:3 and 0:1 in straight/direct and reverse polarity. The paper deals with the comparative studies of various machining performances such as MRR, OC and HAZ using different polarities such as direct/straight polarity and reverse polarity with automated spring feeding system for higher rate of depth of machining. SEM and XRD are performed to observed phase change and thermal effects of silica. MRR is found to be higher for the NaOH: KOH::1:3 and also overcut is low for NaOH &amp; KOH at 3:1 in straight polarity and that ratio is 0:1 for reversed polarity. HAZ area is lower for NaOH:KOH::1:3 in the mixture at direct as well as revered polarity.</p>

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Effects of Different Proportion of Mixed Electrolyte and Polarity on Micro-Machining Performances of ECDM Process

  • 期刊论文

  • 发表日期：

    2025年4月21日

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  • Bijan Mallick

摘要

Micro-ECDM process tries to take entry in industrial field to cut various non-conducting materials like silica. In this article the parametric influences and comparative studies of various machining performances such as MRR, OC and HAZ has been addressed using electrolyte concentrations (wt.%), duty ratio (%) applied voltage (V) as well as pulse frequency (Hz), as process variables and mixed electrolyte of (NaOH + KOH) with different proportion 1:0, 3:1, 1:1, 1:3 and 0:1 in straight/direct and reverse polarity. The paper deals with the comparative studies of various machining performances such as MRR, OC and HAZ using different polarities such as direct/straight polarity and reverse polarity with automated spring feeding system for higher rate of depth of machining. SEM and XRD are performed to observed phase change and thermal effects of silica. MRR is found to be higher for the NaOH: KOH::1:3 and also overcut is low for NaOH & KOH at 3:1 in straight polarity and that ratio is 0:1 for reversed polarity. HAZ area is lower for NaOH:KOH::1:3 in the mixture at direct as well as revered polarity.