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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Environmental Degradation of Multiple Principal Component Materials
Presentation Title Corrosion Resistance of Al-Cr-Ti Containing Compositionally Complex Alloys
Author(s) Samuel B. Inman, Jie Qi, Mark Wischhusen, Sean Agnew, Joseph Poon, John Scully
On-Site Speaker (Planned) Samuel B. Inman
Abstract Scope We describe the design of lightweight, low-cost compositionally complex alloys with good combinations of strength, ductility, and corrosion resistance. Iron containing FCC alloys were investigated and compared to corrosion resistant commercial marine alloys. Alloy compositions selected with high-throughput machine learning based methods were experimentally verified to possess FCC or FCC with B2 phases in the annealed state. Corrosion resistance equal to and, in some cases, superior to 316L stainless steel was accounted for by Al-Ti-Cr containing oxides. Corrosion resistance depends on balancing the composition of each phase to enable natural passivation and minimize detrimental solute depletion. Although alloying with Al and Ti decreases density, it can introduce phase segregation that may be detrimental to corrosion resistance.
Proceedings Inclusion? Planned:
Keywords High-Entropy Alloys,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

B-1: Evaluating the Influences of Microstructural Attributes on the High Temperature Oxidation of a AlCoCrFeNi High Entropy Alloy
Computational Investigation of the Trends that Govern the Coefficient of Thermal Expansion in Rare-earth Silicates
Corrosion Interactions between a Candidate Hollandite Waste Form and Stainless Steel
Corrosion Resistance of Al-Cr-Ti Containing Compositionally Complex Alloys
Development of a New Aluminum Dissolvable Alloy for Hydraulic Fracturing Applications
Dynamic and Chemical Processes Associated with Deposit-induced Corrosion Testing at Elevated Temperatures
Enhanced Oxidation Resistance of (Mo95W5)85Ta10(TiZr)5 Refractory Multi-principal Element Alloy up to 1300°C
Equivalent Hydrogen Fugacity during Electrochemical Charging of Nickel Single Crystal: Comparison with Gaseous Hydrogen Charging
Experimental and Numerical Assessment of the Corrosion Behavior of a Friction Stir Processed Equiatomic CrMnFeCoNi High Entropy Alloy in a Neutral Environment
Exploring Hydrogen-induced Martensitic Transformation and Twinning Effects Metastable Fe-Mn-Co-Cr High Entropy Alloys
Exploring Untapped Potential in High Entropy Alloys: Combinatorial Exploration in Corrosive Environments
Hydrogen Embrittlement Behavior of Face-centered Cubic High-entropy Alloys
Investigation of Low Temperature Oxidation Behavior of MoNbTaW Thin Films
Joining of FeCrAl Based Alloys for Lead Cooled Fast Reactor Applications
Localized Corrosion Resistance of Ni-Cr-Co-Fe-Mo MPE Alloys in Aqueous and Methanolic Environments
Machine Learning Potential for High Entropy Alloys
Microstructure and Corrosion of Multi-phase Ni-Fe-Cr-Mo-W-X Multi-principal Element Alloys
Modeling and Design of CoCrFeNi Multi-principle Element Alloys on Their Aqueous Corrosion Resistance via First Principle Calculations
Modeling Preferential Dissolution during Aqeous Corrosion of Multi-principal Element Alloys
NOW ON-DEMAND ONLY – Interpretable Machine Learning to Understand Corrosion in Complex Compositional Alloys
Optimization of Multicomponent Rare Earth Silicate Environmental Barrier Coating Properties
Oxidation of Different High Entropy Alloys Under the Influence of Water Vapour
Oxygen Modulation of Miscibility and Ordering in BCC Nb-Ti-Zr Alloys
The Tribocorrosion Behaviors of Al0.1CrCoFeNi Multi-principal Element Alloys in Different pH Conditions

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