TY - JOUR T1 - Microstructural Characterization and the Effect of Phase Transformations on Toughness of the UNS S31803 Duplex Stainless Steel Aged Treated at 850 °C JO - Materials Research A1 - Zucato, Igor A1 - Moreira, Margarete C. A1 - Machado, Izabel F. A1 - Lebrão, Susana M. Giampietri SN - 1516-1439 UL - 10.1590/S1516-14392002000300026 VL - 5 Y1 - 2002 PB - Brasil ER -