Effect of nickel and nitrogen addition on the microstructure and mechanical properties of power beam processed duplex stainless steel (UNS 31803) weld metals

Effect of nickel and nitrogen addition on the microstructure and mechanical properties of power beam processed duplex stainless steel (UNS 31803) weld metals

The joining of duplex stainless steel was attempted by electron beam and laser beam welding, introducing nickel and nitrogen into the weld metals by different means. The addition of nickel and nitrogen has a significant role on the microstructure, phase balance and impact toughness, but it seems to...

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Veröffentlicht in:Materials letters 2005-08, Vol.59 (18), p.2305-2309
Hauptverfasser: Muthupandi, V., Bala Srinivasan, P., Shankar, V., Seshadri, S.K., Sundaresan, S.
Format: Artikel
Sprache:eng
Schlagworte:
Duplex stainless steel
Electron beam welding
Laser beam welding
Mechanical properties
Microstructure
Pre-placed fillers
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Zusammenfassung:The joining of duplex stainless steel was attempted by electron beam and laser beam welding, introducing nickel and nitrogen into the weld metals by different means. The addition of nickel and nitrogen has a significant role on the microstructure, phase balance and impact toughness, but it seems to have no appreciable influence on hardness.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2005.03.010