Session: Corrosion and Corrosion Testing of Additively Manufactured Materials
Effect of Temperature on the Corrosion of Wire-arc Additively Manufactured SS316LSi in Simulated Seawater (C2026-00289)
Monday, March 16, 2026
10:30 AM - 11:00 AM Central
Location: 342 C
Earn .5 PDH
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Alan Martinez, Suresh Divi, Adam Rowe, Kevin Renteria
A comprehensive evaluation of the corrosion performance of 316L materials that were made using conventional manufacturing and wire-arc additive manufacturing (WAAM) were immersed in simulated seawater at both ambient and elevated temperatures. This evaluation was performed using DC and AC electrochemical techniques including cyclic-potentiodynamic polarization and electrochemical impedance spectroscopy monitored intermittently up to a 30-day period. The build orientation effect on resistance to stress corrosion cracking was also investigated by subjecting the samples to different stress levels during exposure. Surface and metallographic characterization techniques including scanning electron microscopy and 3D microscopy with profilometry were used to characterize the damage morphologies formed after exposure.
