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  4. Multiple-Wire Submerged Arc Welding of High-Strength Fine-Grained Steels
 
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2022
Journal Article
Titel

Multiple-Wire Submerged Arc Welding of High-Strength Fine-Grained Steels

Abstract
Ensuring the required mechanical-technological properties of welds is a critical issue in the application of multi-wire submerged arc welding process for welding high-strength fine-grained steels. Excessive heat input is one of the main causes for microstructural zones with deteriorated mechanical properties of the welded joint, such as a reduced notched impact strength and a lower structural robustness. A process variant is proposed which reduces the weld volume as well as the heat input by adjusting the welding wire configuration as well as the energetic parameters of the arcs, while retaining the advantages of multi-wire submerged arc welding such as high process stability and production speed.
Author(s)
Gook, S.
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
El-Sari, Bassel
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
Biegler, Max
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
Rethmeier, Michael
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
Lichtenthäler, F.
Stark, M.
Zeitschrift
The Paton welding journal
Thumbnail Image
DOI
10.37434/tpwj2022.01.02
Language
English
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Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
Tags
  • submerged arc welding

  • high-strength fine-grained steels

  • mechanical properties of the joints

  • energy parameters of the arc

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