2014
DOI: 10.1177/0954405414542136
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Investigation of electrochemical machining characteristics of 20MnCr5 alloy steel using potassium dichromate mixed aqueous NaCl electrolyte and optimization of process parameters

Abstract: Electrochemical machining is a modern machining technique that plays an important role in the applications of aerospace, die and electronic industries. Electrochemical machining is used to machine difficult-to-machine materials and complex shapes. Machining of alloy steels especially 20MnCr5 is very important for its wide variety of applications such as piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling parts. Machining of the above components with conventional machine tools is a… Show more

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Cited by 25 publications
(26 citation statements)
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“…Ayyappan et al [12] conducted experimental investigation on ECM characteristics of 20MnCr5 alloy steel using potassium dichromate (K 2 Cr 2 O 7 ) mixed aqueous NaCl electrolyte in the direction of enhancing MRR. Since the selection of ECM machining parameters and design of experiments in the previous work [12] are same as in this work, experimental results of MRR for both aqueous NaCl and K 2 Cr 2 O 7 mixed aqueous NaCl are used to compare the present work. In Fig.…”
Section: Resultsmentioning
confidence: 99%
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“…Ayyappan et al [12] conducted experimental investigation on ECM characteristics of 20MnCr5 alloy steel using potassium dichromate (K 2 Cr 2 O 7 ) mixed aqueous NaCl electrolyte in the direction of enhancing MRR. Since the selection of ECM machining parameters and design of experiments in the previous work [12] are same as in this work, experimental results of MRR for both aqueous NaCl and K 2 Cr 2 O 7 mixed aqueous NaCl are used to compare the present work. In Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The main process parameters governing the ECM process are voltage (V) setting, IEG and electrolyte concentration (EC) according to the earlier researches [12,13,[15][16][17][18][19][20]22]. Therefore, these parameters are considered in this work and its levels are shown in Table 1.…”
Section: Ecm Experimentationmentioning
confidence: 99%
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“…Others have also demonstrated successful machining processes using mixed electrolytes. 5,10,57,58 The electrolyte also serves the purpose of removing the reaction products from the machining gap. 14 The gap in ECM between the tool and the workpiece is very small, just a matter of micrometres, to enhance the resolution of the machining as explained above.…”
Section: Reasoning For Selecting An Electrolytementioning
confidence: 99%