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|Type:||Artigo de periódico|
|Title:||Microstructure Evaluation Of Uns S32205 Duplex Stainless Steel Friction Stir Welds [avaliação Microestrutural De Juntas Soldadas Por Atrito Com Pino Não-consumível Do Aço Inoxidável Duplex Uns S32205]|
|Abstract:||UNS S32205 duplex stainless steel welds were performed by friction stir welding (FSW). Advancing and retreating sides showed distinct characteristics in the welded joint. The advancing side shows the strongest grain refinement which is corroborated by microhardness measurements. The microstructure characterization was carried out by optical, scanning and transmission electron microscopy. The thermomechanically affected zone displays austenite islands deformed in a ferrite matrix. The stir zone (SZ) showed a fine recrystallized microstructure providing an outstanding increase of hardness associated with better corrosion performance. Transmission electron microscopy and corrosion tests have corroborated the absence of intermetallic phases on welded joints.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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