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Erschienen in:

2017 | OriginalPaper | Buchkapitel

4. Thermal Behaviour of Pulse Current Gas Metal Arc Weld

verfasst von : Prakriti Kumar Ghosh

Erschienen in: Pulse Current Gas Metal Arc Welding

Verlag: Springer Singapore

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Abstract

The complex nature of heat flow behaviour due to interruption of metal deposition in pulse current gas metal arc weld which is affecting its thermal behaviour has been discussed to realise the basis of selection of pulse parameters to produce a sound weld. The thermal characteristics of P-GMA weld are critically understood through model analysis considering the influence of arc heating and super heating of filler metal under the pulse current parameters of simultaneously interactive nature. The behaviour of metal transfer under pulse current that is governing the cavity formation in weld pool and temperature distribution in weld has been described to express the mechanism of establishing the isotherm and thermal cycle of weld pool and heat affected zone of weld joint. The thermal nature of P-GMAW process has been correlated to the factor ϕ as the summarized influence of pulse parameters for better understanding of more precise control of the welding process.

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Nächstes Kapitel Geometry of Pulse Current GMA Weld

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Titel: Thermal Behaviour of Pulse Current Gas Metal Arc Weld
verfasst von: Prakriti Kumar Ghosh
Verlag: Springer Singapore
Buch: Pulse Current Gas Metal Arc Welding
Print ISBN: 978-981-10-3556-2

Electronic ISBN: 978-981-10-3557-9

Copyright-Jahr: 2017
DOI: https://doi.org/10.1007/978-981-10-3557-9_4

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