Effect of Different Dielectrics on Material Removal Rate, Electrode Wear Rate and Microstructures in EDM

Misbah Niamat; Shoaib Sarfraz; Haris Aziz; Mirza Jahanzaib; Essam Shehab; Wasim Ahmad; Salman Hussain

doi:10.1016/j.procir.2017.02.023

Effect of Different Dielectrics on Material Removal Rate, Electrode Wear Rate and Microstructures in EDM

Misbah Niamat, Shoaib Sarfraz, Haris Aziz, Mirza Jahanzaib, Essam Shehab, Wasim Ahmad, Salman Hussain

Research output: Contribution to journal › Conference article › peer-review

15 Citations (Scopus)

Abstract

Diesinker electric discharge machining is widely used non-conventional technique for making high precision and complex shaped parts. Dielectrics and electrical parameters were considered as the main factors for EDM performance. In this paper, the effects of pulse-on-time (μs) and current (ampere) were evaluated for performance measures using kerosene and water as dielectrics. A comparison was performed for both dielectrics in terms of material removal rate (mm³/min), electrode wear rate (mm³/min), and microstructures. Aluminum 6061 T6 alloy was used as material for this research due to its extensive use in aerospace and automotive industries. Experiments were designed using Taguchi L9 orthogonal array (OA). Time series graphs were plotted to compare material removal rate and electrode wear rate. Microstructures were taken by scanning electron microscope to analyze the surface produced in terms of cracks, globules and micro-holes. Higher material removal rate and lower electrode wear were achieved with kerosene dielectric. The novelty of this research work, apart from its practical application, is that Aluminum 6061 T6 alloy is used as work material to compare the performance of dielectrics (kerosene and distilled water).

Original language	English
Pages (from-to)	2-7
Number of pages	6
Journal	Procedia CIRP
Volume	60
DOIs	https://doi.org/10.1016/j.procir.2017.02.023
Publication status	Published - Jan 1 2017
Externally published	Yes
Event	27th CIRP Design Conference 2017 - Cranfield, United Kingdom Duration: May 10 2017 → May 12 2017

Keywords

Dielectric
Electric Discharge Machining
Electrode Wear Rate
Material Removal Rate
Microstructures

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering

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title = "Effect of Different Dielectrics on Material Removal Rate, Electrode Wear Rate and Microstructures in EDM",

abstract = "Diesinker electric discharge machining is widely used non-conventional technique for making high precision and complex shaped parts. Dielectrics and electrical parameters were considered as the main factors for EDM performance. In this paper, the effects of pulse-on-time (μs) and current (ampere) were evaluated for performance measures using kerosene and water as dielectrics. A comparison was performed for both dielectrics in terms of material removal rate (mm3/min), electrode wear rate (mm3/min), and microstructures. Aluminum 6061 T6 alloy was used as material for this research due to its extensive use in aerospace and automotive industries. Experiments were designed using Taguchi L9 orthogonal array (OA). Time series graphs were plotted to compare material removal rate and electrode wear rate. Microstructures were taken by scanning electron microscope to analyze the surface produced in terms of cracks, globules and micro-holes. Higher material removal rate and lower electrode wear were achieved with kerosene dielectric. The novelty of this research work, apart from its practical application, is that Aluminum 6061 T6 alloy is used as work material to compare the performance of dielectrics (kerosene and distilled water).",

keywords = "Dielectric, Electric Discharge Machining, Electrode Wear Rate, Material Removal Rate, Microstructures",

author = "Misbah Niamat and Shoaib Sarfraz and Haris Aziz and Mirza Jahanzaib and Essam Shehab and Wasim Ahmad and Salman Hussain",

note = "Publisher Copyright: {\textcopyright} 2017 The Authors. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.; 27th CIRP Design Conference 2017 ; Conference date: 10-05-2017 Through 12-05-2017",

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AU - Niamat, Misbah

AU - Sarfraz, Shoaib

AU - Aziz, Haris

AU - Jahanzaib, Mirza

AU - Shehab, Essam

AU - Ahmad, Wasim

AU - Hussain, Salman

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Diesinker electric discharge machining is widely used non-conventional technique for making high precision and complex shaped parts. Dielectrics and electrical parameters were considered as the main factors for EDM performance. In this paper, the effects of pulse-on-time (μs) and current (ampere) were evaluated for performance measures using kerosene and water as dielectrics. A comparison was performed for both dielectrics in terms of material removal rate (mm3/min), electrode wear rate (mm3/min), and microstructures. Aluminum 6061 T6 alloy was used as material for this research due to its extensive use in aerospace and automotive industries. Experiments were designed using Taguchi L9 orthogonal array (OA). Time series graphs were plotted to compare material removal rate and electrode wear rate. Microstructures were taken by scanning electron microscope to analyze the surface produced in terms of cracks, globules and micro-holes. Higher material removal rate and lower electrode wear were achieved with kerosene dielectric. The novelty of this research work, apart from its practical application, is that Aluminum 6061 T6 alloy is used as work material to compare the performance of dielectrics (kerosene and distilled water).

AB - Diesinker electric discharge machining is widely used non-conventional technique for making high precision and complex shaped parts. Dielectrics and electrical parameters were considered as the main factors for EDM performance. In this paper, the effects of pulse-on-time (μs) and current (ampere) were evaluated for performance measures using kerosene and water as dielectrics. A comparison was performed for both dielectrics in terms of material removal rate (mm3/min), electrode wear rate (mm3/min), and microstructures. Aluminum 6061 T6 alloy was used as material for this research due to its extensive use in aerospace and automotive industries. Experiments were designed using Taguchi L9 orthogonal array (OA). Time series graphs were plotted to compare material removal rate and electrode wear rate. Microstructures were taken by scanning electron microscope to analyze the surface produced in terms of cracks, globules and micro-holes. Higher material removal rate and lower electrode wear were achieved with kerosene dielectric. The novelty of this research work, apart from its practical application, is that Aluminum 6061 T6 alloy is used as work material to compare the performance of dielectrics (kerosene and distilled water).

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KW - Electrode Wear Rate

KW - Material Removal Rate

KW - Microstructures

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