Modelling and experimental investigation of laser assisted jet electrochemical machining

Anjali K.M. De Silva, P. T. Pajak, David K. Harrison, J. A. McGeough

Research output: Contribution to journalArticle

Abstract

Laser Assisted Jet Electrochemical Machining is a hybrid process which combines a relatively low power laser (375mW) with an electrolyte jet to facilitate metal removal. The main purpose of the laser is to enhance the localisation effect of electrochemical dissolution from the workpiece, thus giving better precision and machining efficiency. The laser thermally activates the material surface where it impinges thereby increasing the electrochemical current density in that localised zone. A theoretical model is used to explain the effects of localisation of electrochemical dissolution process. Experimental analysis using aluminium alloy and stainless steel has proved that laser assistance can yield up to 54% higher volumetric rate and up to 38% better accuracy than using electrolytic jet alone.

Original languageEnglish
JournalCIRP Annals: Manufacturing Technology
DOIs
Publication statusPublished - 1 Feb 2004

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Machining
Lasers
Dissolution
Alloy steel
Aluminum alloys
Current density
Stainless steel
Electrolytes
Metals

Keywords

  • electrochemical machining
  • localised dissolution
  • laser

Cite this

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title = "Modelling and experimental investigation of laser assisted jet electrochemical machining",
abstract = "Laser Assisted Jet Electrochemical Machining is a hybrid process which combines a relatively low power laser (375mW) with an electrolyte jet to facilitate metal removal. The main purpose of the laser is to enhance the localisation effect of electrochemical dissolution from the workpiece, thus giving better precision and machining efficiency. The laser thermally activates the material surface where it impinges thereby increasing the electrochemical current density in that localised zone. A theoretical model is used to explain the effects of localisation of electrochemical dissolution process. Experimental analysis using aluminium alloy and stainless steel has proved that laser assistance can yield up to 54{\%} higher volumetric rate and up to 38{\%} better accuracy than using electrolytic jet alone.",
keywords = "electrochemical machining, localised dissolution, laser",
author = "{De Silva}, {Anjali K.M.} and Pajak, {P. T.} and Harrison, {David K.} and McGeough, {J. A.}",
note = "Originally published in: CIRP Annals: Manufacturing Technology (2004), 53 (1), pp.179-182.",
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AU - De Silva, Anjali K.M.

AU - Pajak, P. T.

AU - Harrison, David K.

AU - McGeough, J. A.

N1 - Originally published in: CIRP Annals: Manufacturing Technology (2004), 53 (1), pp.179-182.

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N2 - Laser Assisted Jet Electrochemical Machining is a hybrid process which combines a relatively low power laser (375mW) with an electrolyte jet to facilitate metal removal. The main purpose of the laser is to enhance the localisation effect of electrochemical dissolution from the workpiece, thus giving better precision and machining efficiency. The laser thermally activates the material surface where it impinges thereby increasing the electrochemical current density in that localised zone. A theoretical model is used to explain the effects of localisation of electrochemical dissolution process. Experimental analysis using aluminium alloy and stainless steel has proved that laser assistance can yield up to 54% higher volumetric rate and up to 38% better accuracy than using electrolytic jet alone.

AB - Laser Assisted Jet Electrochemical Machining is a hybrid process which combines a relatively low power laser (375mW) with an electrolyte jet to facilitate metal removal. The main purpose of the laser is to enhance the localisation effect of electrochemical dissolution from the workpiece, thus giving better precision and machining efficiency. The laser thermally activates the material surface where it impinges thereby increasing the electrochemical current density in that localised zone. A theoretical model is used to explain the effects of localisation of electrochemical dissolution process. Experimental analysis using aluminium alloy and stainless steel has proved that laser assistance can yield up to 54% higher volumetric rate and up to 38% better accuracy than using electrolytic jet alone.

KW - electrochemical machining

KW - localised dissolution

KW - laser

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JF - CIRP Annals: Manufacturing Technology

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