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Meeting Materials Science & Technology 2020
Symposium Advances in Surface Engineering
Presentation Title Effect of Surface Finish on the Corrosion Properties of Additively Manufactured Stainless Steel
Author(s) Jamie A. Stull, Courtney Clark, Timothy Gorey, Don Johnson, Randy Edwards, Enkeleda Dervishi, Daniel hooks
On-Site Speaker (Planned) Jamie A. Stull
Abstract Scope Metal additive manufacturing (MAM) using powder-bed fabrication is a rapidly-developing technology. While the impact of this new production path could be significant, MAM products must still meet many traditional requirements, including surface specifications such as finish (roughness), coatings, and corrosion resistance. However, initial studies indicate that these requirements may not directly transfer to MAM materials, with complications due to different microstructures, hidden surfaces, difficult geometries, and rougher finishes expected. In this study, we focused on developing electropolishing techniques to improve the surface finish; characterizing the surface pre- and post-processing. Surface characterization was performed using profilometry, microscopy, scanning electron microscopy (SEM), and atomic force microscopy (AFM). We also explored how both surface and heat treatments affect the corrosion performance of the material using conventional electrochemistry and electrochemical AFM.
Proceedings Inclusion? Planned: At-meeting proceedings


Application of Artificial Neural Network and Statistical Modeling to Study Water Contact Angle of Ductile Iron: Iron-graphite Composite
Effect of Surface Finish on the Corrosion Properties of Additively Manufactured Stainless Steel
Electroplating Powder for Cold Spray Applications
Non-Linear Through-Hole Fabrication by Electrochemical Machining
Nucleation, Growth, and Grain Structure Control of Electrodeposited Graded Density Alloys
Performance Analysis of Biomimetic Ionic Polymer-metal Composite (IPMC) Thin-Film Actuators
Reversible Electrochemical Mirror Devices Using Space Compliant Ionic Liquid Electrolytes

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