Investigation of the influence of the welding speed and current on the parameters of the adaptive function

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Abstract

The adaptive function developed by authors allows direct correlation between welding circumstances and temperature distribution using limited experimental data including weld pool dimensions and temperature at some arbitrary points. This paper intends to investigate the effects of welding speed and welding current on the parameters of the adaptive function. GTAW with various welding speeds and various welding currents was applied on duplex stainless steel plates. According to the experimental data, the parameters of the adaptive function were expressed as a function of welding speed and weld pool dimensions. To show the effectiveness of the new method, Rosenthal model and FEM were employed to simulate the conducted welding and the accuracy of the predicted result rather than the measured temperature were estimated by relative error. The results show that the adaptive function method is more accurate than the FEM and Rosenthal approach in all studied cases.
Originalspracheenglisch
TitelMathematical Modelling of Weld Phenomena 12
ErscheinungsortGraz
Herausgeber (Verlag)Verlag der Technischen Universität Graz
Seiten1-20
DOIs
PublikationsstatusVeröffentlicht - 2019
VeranstaltungThe 12th International Seminar Numerical Analysis of Weldability - Castle Seggau, Graz, Österreich
Dauer: 23 Sep 201826 Sep 2018
https://www.tugraz.at/events/seggau/seminar-information/home/

Konferenz

KonferenzThe 12th International Seminar Numerical Analysis of Weldability
LandÖsterreich
OrtGraz
Zeitraum23/09/1826/09/18
Internetadresse

ASJC Scopus subject areas

  • Angewandte Mathematik
  • !!Mechanical Engineering
  • !!Materials Science(all)

Fields of Expertise

  • Advanced Materials Science
  • Mobility & Production

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