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Suitability of high-alloyed flux-cored wire electrodes for laser-GMA hybrid welding

  • The object of this research project related to investigations into the qualification of flux-cored wire electrodes for the laser-GMA hybrid welding of high-alloyed steels. Because of its annular metal shell and the powdery filling, this type of wire electrode permits stable, low-spatter metal transfer comparable with that in the spray arc, particularly in the upper range of the attainable deposition rates. In contrast with this, controlled metal transfer during the deposition of solid wire electrodes is achieved using pulsed arc technology. When these filler materials are welded, the properties specific to the material and to the process have a significant influence on the weld metallurgy as well as on the process stability. Tests were carried out on the AISI 403L (X2CrNi1911) high-alloyed base material in order to investigate the transferability of the attainable material properties from GMA welding to laser-GMA hybrid welding. Four wire electrodes were used according to DIN EN 12072The object of this research project related to investigations into the qualification of flux-cored wire electrodes for the laser-GMA hybrid welding of high-alloyed steels. Because of its annular metal shell and the powdery filling, this type of wire electrode permits stable, low-spatter metal transfer comparable with that in the spray arc, particularly in the upper range of the attainable deposition rates. In contrast with this, controlled metal transfer during the deposition of solid wire electrodes is achieved using pulsed arc technology. When these filler materials are welded, the properties specific to the material and to the process have a significant influence on the weld metallurgy as well as on the process stability. Tests were carried out on the AISI 403L (X2CrNi1911) high-alloyed base material in order to investigate the transferability of the attainable material properties from GMA welding to laser-GMA hybrid welding. Four wire electrodes were used according to DIN EN 12072 and DIN EN ISO 17633: a T 19 9 L P M 1 rutile fluxcored wire designed specifically for welding in position, a T 19 9 L R M (C) 3 rutile flux-cored wire suitable for welding in the flat position, a T 19 9 L M M 1 metal-powder flux-cored wire as well as a G 19 9 L Si solid wire.zeige mehrzeige weniger

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Metadaten
Autor*innen:S. Lorenz, Thomas KannengießerORCiD, G. Posch
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Welding and cutting
Jahr der Erstveröffentlichung:2012
Verlag:DVS - German Welding Society
Verlagsort:Düsseldorf
Jahrgang/Band:11
Ausgabe/Heft:3
Erste Seite:181
Letzte Seite:187
Freie Schlagwörter:Laser GMA hybrid welding; Welding
ISSN:1612-3433
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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