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An experimental and numerical investigation on the process efficiency of the focused TIG welding of Inconel 718 thick plates

Salerno, Gervasio; Bennett, Chris; Sun, Wei; Becker, Adib A.

Authors

Gervasio Salerno

Wei Sun

Adib A. Becker



Abstract

A combined experimental and numerical approach was adopted to investigate the focused tungsten inert gas (TIG) welding process by producing bead-on-plate welds in Inconel 718 plates. Experimental investigations were carried out by means of thermocouple measurements and optical macrographs of the weld cross-section. Three dimensional finite element (FE) simulations were conducted using the commercial specialized FE software Sysweld in order to predict the thermal field induced by the process in the plates. The work presents an approach to investigate the process efficiency and calibrate the heat source model in order to produce a full thermal characterization the plasmatron welding apparatus.

Citation

Salerno, G., Bennett, C., Sun, W., & Becker, A. A. (2019). An experimental and numerical investigation on the process efficiency of the focused TIG welding of Inconel 718 thick plates. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 233(3), 823-833 . doi:10.1177/0954405418775442

Journal Article Type Article
Acceptance Date Apr 8, 2018
Online Publication Date May 28, 2018
Publication Date Feb 1, 2019
Deposit Date Apr 18, 2018
Publicly Available Date May 28, 2018
Journal Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Print ISSN 0954-4054
Electronic ISSN 2041-2975
Publisher SAGE Publications (UK and US)
Peer Reviewed Peer Reviewed
Volume 233
Issue 3
Pages 823-833
DOI https://doi.org/10.1177/0954405418775442
Keywords Weld Thermal Histories; Finite Element; Thermocouples; Focused-TIG; Process Efficiency
Public URL http://eprints.nottingham.ac.uk/id/eprint/51223
Publisher URL http://journals.sagepub.com/eprint/MSCi83NbkvwzJnyM3y2A/full
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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