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Concept of Pulse Current Gas Metal Arc Welding Process

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Pulse Current Gas Metal Arc Welding

Part of the book series: Materials Forming, Machining and Tribology ((MFMT))

Abstract

The unique features of pulsing the current flow in GMAW process that led to development of pulse current gas metal arc welding (P-GMAW) have been discussed. The concept of the P-GMAW process has been explained in terms of its basic process variables. Fundamentals of the control of pulse parameters that can precisely influence the welding process primarily in terms of variation in phenomena of metal transfer has been thoroughly described. The mechanism of drop detachment as a function of pulse parameters that classifies the use of P-GMAW process in two different segments of one drop transfer per pulse and multiple drop transfer pulse has been critically explained with respect to its utility. In the light of all such variations the thermal characteristics of the P-GMAW process have been stated in reference to the wire melting and thermal behaviour of depositing droplet as a function of pulse parameters.

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India

    Prakriti Kumar Ghosh

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Correspondence to Prakriti Kumar Ghosh .

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Ghosh, P.K. (2017). Concept of Pulse Current Gas Metal Arc Welding Process. In: Pulse Current Gas Metal Arc Welding. Materials Forming, Machining and Tribology. Springer, Singapore. https://doi.org/10.1007/978-981-10-3557-9_2

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  • DOI: https://doi.org/10.1007/978-981-10-3557-9_2

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-3556-2

  • Online ISBN: 978-981-10-3557-9

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