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Meeting Materials Science & Technology 2019
Symposium Corrosion of Additively Manufactured Metals
Presentation Title Hydrogen Concentration and Uptake in Additively Manufactured Austenitic Stainless Steels
Author(s) Rebecca Filardo Schaller, Amin Imani, Edouard Asselin, Eric Schindelholz
On-Site Speaker (Planned) Rebecca Filardo Schaller
Abstract Scope One area of anticipated application for additively manufactured (AM) materials, the hydrogen transport industry, requires parts that are of unique design and highly resistant to hydrogen environment embrittlement (HEE), a detrimental form of corrosion. While there is a large base of knowledge concerning HEE of wrought austenitic stainless steels (SS), there is a great lack in knowledge of AM austenitic SS. A better understanding of the HEE susceptibility of AM materials, specifically at the microstructural level, will allow for informed AM processing parameters and materials with possibly enhanced HEE resistance. Presented here are initial studies on H concentrations and uptake capacities of AM 304L compared to its wrought counterpart. H-extraction and concentration determination was carried out using ASTM F1113, with H concentrations of pre-charged AM SS ranging from 62 to 207 wppm. The significant findings will be discussed in relation to the morphological and microstructural characteristics of AM SS.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Corrosion of Additive Materials for Naval Applications
Corrosion of Additively Manufactured Stainless Steels – Process, Structure, and Performance
Corrosion Performance of Aluminium Based Functionally Graded Materials Processed by Wire-arc Additive Manufacturing
Effect of Chloride and Heat Treatment on Pitting Corrosion Resistance and Mechanical Properties of a 316L Stainless Steel Manufactured by the Direct Metal Laser Sintering (DMLS) Process
Effect of Surface Finish on the Corrosion Properties of Additively Manufactured Stainless Steel
Electrochemical Characterization of Additively Manufactured Al-10Si-Mg in Standardized Test Solutions
Evaluation of the Corrosion Response of Additively-Manufactured 17-4 PH Stainless Steel Samples as a Function of Build and Finish Parameters
High Temperature Oxidation and Creep Oxidation of Compositionally Graded Alloys in Air and Supercritical CO2: Modeling and Experiment
High Temperature Oxidation of 718 Alloy Produced by Additive Manufacturing
Hydrogen Concentration and Uptake in Additively Manufactured Austenitic Stainless Steels
Improved Electrochemical Response of SLM 316L SS in Physiological Solutions
Issues in Localized Corrosion of Selective Laser Melted 316L
P3-37: Microstructure and Corrosion Behavior of Alloy 625 Produced by Laser Powder Bed Fusion
Surface Damage of an AM-AlSi10Mg Alloy Exposed to Corrosive Environments with Lack of Fusion Defects and Powder Contamination
Surface Preparation of Additively Manufactured Metals and Subsequent Comparison of Corrosion Characteristics
The Effects of Laser Peening Parameters on the Corrosion and Hardness Properties of Ti6Al4V Alloy
Understanding the Influence of Retained Nitrogen in Additively-Manufactured 17-4 Stainless Steel: Does it Really Improve Corrosion Resistance?

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