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Drop transfer mode prediction in pulse GMAW of aluminum using statistical model

Posinasetti, Praveen, Kang, Mun-Jin, & Yarlagadda, Prasad K. (2008) Drop transfer mode prediction in pulse GMAW of aluminum using statistical model. Journal of Materials Processing Technology, 201(1-3), pp. 502-506.

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Abstract

Processes like GMAW-P introduce additional complexity (with need of defining supplementary variables such as peak current, base current, peak time, base time, frequency and duty cycle) which needs intense process knowledge for correctly defining pulsing parameters to achieve good quality. For achieving good weld quality one droplet should detach in every pulse to produce best weld quality with minimal defects and spatter. But depending upon the input pulse parameters, drop transfer can result in either one drop or multiple drops per pulse which directly influence the final weld quality. The purpose of this study was to develop a statistical model able to estimate the number of drops transferred from the end of the electrode to the workpiece quantitatively using the pulsing parameters of the pulse waveform acquired during the real time operation. Model was proposed to estimate the number of drops transferred from the end of the electrode to the workpiece, performing the multiple regression analysis between model and quantified number of drops transferred from the end of the electrode to the workpiece.

Impact and interest:

6 citations in Scopus
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4 citations in Web of Science®

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332 since deposited on 11 Feb 2008
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ID Code: 12405
Item Type: Journal Article
Keywords: Pulse gas metal arc welding, Drop transer mode, Pulsing Parameers, Waveform Factors
DOI: 10.1016/j.jmatprotec.2007.11.226
ISSN: 0924-0136
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000) > Manufacturing Processes and Technologies (excl. Textiles) (091006)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2008 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 11 Feb 2008
Last Modified: 29 Feb 2012 23:35

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