Abstract
Duplex Stainless Steels (DSS) and Super Duplex Stainless Steels (SDSS) processed by casting are still poorly characterized when compared with wrought routes, nevertheless, they are largely used in industry, especially in the fabrication of complex components for highly corrosive environments. Therefore, there is an urge for improving data collection and prediction of final mechanical properties of cast parts. This work aims at contributing for this goal, through the micro and macro characterization of a SDSS 25Cr-7Ni-Mo-N. A cast specimen exhibiting different cooling rates throughout its geometry was characterized through optical microscopy (OM), scanning electron mi- croscopy (SEM) and tensile tests. A multiscale numerical methodology was developed to relate micro and macro properties. Such approach correlated well with the experimental results.
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