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S&T Project Number 20035 Final Report: Investigating the Effect of Post Processing Procedures on Corrosion Resistance of Additively Manufactured 316L Stainless Steel

Published by Bureau of Reclamation | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:30 AM | Dataset Last Updated: October 15, 2020 at 06:47 PM
The open circuit potential of cold-rolled and additively manufactured (AM) 316L stainless steel was measured. The AM parts underwent a variety of post-processing procedures including grinding and polishing, heat treatment, and a novel sensitization and etching process (used to remove support material). Microstructures and surface roughness of each specimen were evaluated, and specimens also underwent testing in an x-ray diffractometer. The as-printed specimens had the best corrosion resistance and the heat-treated specimens had the worst.

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