On the pitting resistance of friction stir welded UNS S82441 lean duplex stainless steel
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Journal of Materials Research and Technology
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Friction stir welding has been considered as an alternative to fusion welding processes ofstainless steels. A lean duplex stainless steel, grade UNS S82441, has been recently developedand is prone to localized corrosion, such as pitting when exposed to harsh conditions duringuse. However, pitting resistance of UNS S82441 has not been previously investigated. In thisstudy, UNS S82441 lean duplex stainless steel was friction stir welded, and its microstructureand localized corrosion resistance were investigated by phase volumetric fraction, scanningelectron microscopy, transmission electron microscopy and electrochemical tests. The pit-ting resistance of each zone was investigated by polarization tests and by determining thecritical pitting temperature. The results indicated that microstructural changes promotedby friction stir welding affected the pitting resistance of the lean duplex stainless steel.
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LEITE, ANTONIO M. dos S.; TERADA, MAYSA; PEREIRA, VICTOR F.; FONSECA, EDUARDO B. da; LIMA, NELSON B. de; COSTA, ISOLDA. On the pitting resistance of friction stir welded UNS S82441 lean duplex stainless steel. Journal of Materials Research and Technology, v. 8, n. 3, p. 3223-3233, 2019. DOI: 10.1016/j.jmrt.2019.05.010. Disponível em: http://repositorio.ipen.br/handle/123456789/30016. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.