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Type: Artigo de evento
Title: Correlating Microstructure And Performance Of Uns S32750 And S32760 Superduplex Stainless Steels Friction Stir Welds
Author: Santos T.F.A.
Queiroz R.R.M.
Ramirez A.J.
Abstract: Fully consolidated and full penetration butt joints were produced on 6 mm thick plate of UNS S32750 and S32760 superduplex stainless steels using friction stir welding (FSW). Destructive (bending) and nondestructive evaluation (radiography) were performed to verify absence of defects. Intermetallic phases precipitation was not observed in the joint. Cyclic polarization tests indicated the same corrosion resistance of the base metal and welded joint. The microstructural characterization was performed on transverse section using optical and scanning electron microscopy. A correlation between the FSW process, the associated thermal history, the produced microstructure, and the mechanical and corrosion performance of the welded joints has been established. Copyright © 2011 by the International Society of Offshore and Polar Engineers (ISOPE).
Rights: fechado
Identifier DOI: 
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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