About this Abstract |
Meeting |
2021 TMS Annual Meeting & Exhibition
|
Symposium
|
Environmental Degradation of Additively Manufactured Alloys
|
Presentation Title |
Comparing Corrosion of Alloys Made by Additive Manufacturing and Traditional Methods |
Author(s) |
Sohrab Ghiasi, Vineeth Kumar Gattu, William L. Ebert, J Ernesto Indacochea |
On-Site Speaker (Planned) |
Sohrab Ghiasi |
Abstract Scope |
Additive manufacturing (AM) is being used to produce large, complex and high-demand alloys parts for a wide range of industrial applications in corrosive environments. Confidence in the long-term performance of these materials requires a clear understanding of the relationships between processing methods, product microstructure, and corrosion performance. We have evaluated the microstructures and electrochemical corrosion behaviors of commonly used Ti-based and Co-based alloys made by additive manufactured and traditionally methods by using potentiodynamic scans and potentiostatic methods. Changes in the electrical properties of the corroded surfaces were measured by using electrochemical impedance spectroscopy and changes in the surface microstructures were evaluated by using scanning electron microscopy. Differences in the test responses and corrosion behaviors will be discussed and related to the microstructures and process methods. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Environmental Effects, Characterization |