Characterization of duplex stainless steel weld metals obtained by hybrid plasma-gas metal arc welding

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Koray Yurtisik; Suha Tirkes; Igor Dykhno; C. Hakan Gur; Riza Gurbuz;
  • Publisher: Associação Brasileira de Soldagem
  • Journal: issn: 1980-6973
  • Publisher copyright policies & self-archiving
  • Related identifiers: doi: 10.1590/S0104-92242013000300003
  • Subject: Soldagem "keyhole" | Keyhole welding | Duplex stainless steel | Secondary phases | Phase balance | Technology | Aço inoxidável | Equilibrio de fases | Technology (General) | T | Soldagem hibrida | Hybrid welding | Fases secundarias | T1-995

Despite its high efficiency, autogenous keyhole welding is not well-accepted for duplex stainless steels because it causes excessive ferrite in as-welded duplex microstructure, which leads to a degradation in toughness and corrosion properties of the material. Combining... View more