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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Coatings and Surface Engineering for Environmental Protection II
Presentation Title Chloride Susceptibility Index (CSI) : An Ab initio Based Corrosion Resistance Indicator
Author(s) Huibin Ke, Pin Lu, Christopher Taylor
On-Site Speaker (Planned) Huibin Ke
Abstract Scope Many properties have been used to indicate the corrosion resistance of metallic materials. However, there is still no single property that can be used to compare across different alloy system and predict the corrosion resistance of metallic materials. Here, a universal scientifically based quantitative indicator called chloride susceptibility index (CSI) is introduced based on a multi-scale modeling framework. This framework can be applied to study the effect of different factors on corrosion resistance of alloys, including alloy composition, solution pH, Cl- concentration and temperature. Firstly, ab initio modeling is used to study the adsorption energy of O and Cl to alloy surfaces with different solutes. Then, a Langmuir model is used to study the competitive adsorption of Cl vs. O under different conditions, from which CSI will be calculated. Finally, experimental measured repassivation potential is compared with CSI and a strong linear relationship is found between these two.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Study of the Effects of Laser Shock Peening (LSP) on the Susceptibility of Sensitized 304L Stainless Steel to Intergranular Corrosion
C-1: Advanced Coating and Surface Modification Technologies for SiC-SiCf Composites for Hydrothermal Corrosion Protection in LWRs
C-3: Corrosion Resistance and Electrochemical Corrosion Characteristics of Stainless Steel for Seawater Desalination Evaporator
C-4: Development of Corrosion Barrier Coatings for U3Si2 Nuclear Fuel Pellets for Light Water Reactors
C-5: Establishment of a Lead Loop Facility to Support Lead Cooled Fast Reactor Design
C-6: Microstructure Characteristics after Combustion and Fireproof Mechanism of TiAl-based Alloys
C-7: Nanoceramic Coatings for Heavy Liquid Metal Applications
C-8: Pitting Corrosion in Ferritic Stainless Steels
Can Proteins Secreted by Barnacles Corrode Marine-grade Steel?
Ceramic Oxide Coatings for Water Reactors: Corrosion Protection in High Temperature Pressurized Water
Chloride Susceptibility Index (CSI) : An Ab initio Based Corrosion Resistance Indicator
Contact Resistance and Corrosion Response of Non-chromate Passivations on ZnNi Coatings
Corrosion Behavior of Ultrasonic-welded AZ31B and Dual-phase Steel with and without Galvanized Layer
Corrosion Challenges in Dissimilar Joint Structures for Automotive Lightweighting
Corrosion Phenomena in Powder-processed Icosahedral-phase-strengthened Aluminum Alloys
Corrosion Study on CFRP-AZ31B Spot Joined by Friction Self-pierce Rivet
Effect of Surface Coating on Corrosion Product Deposition Behavior in PWR Fuel Cladding
Electrochemical Impedance Spectroscopic Study of Oxide Scales on Pure Iron in Liquid Lead-bismuth Eutectic
Elucidating the Degradation Mechanisms of Ti-6Al-4V Dental Implants
Estimating the Effect that Interactions between Chemical Reactions and Environmental Influences Have on the Corrosivity of the Electrolyte
Evaluation of Surface Characteristics of Cr-coated Zr-4 Accident Tolerant Fuel Cladding Material after Critical Heat Flux Testing under Atmospheric Pressure
Fatigue Corrosion Behavior of NiTi Shape Memory Alloy
First-principles Search for Alloying Elements that Increase Corrosion Resistance of Mg with Transition Metal Impurities
Improved Corrosion Resistance of a Commercial Mg Alloy through Laser Assisted Surface Processing
Mechanisms of Corrosion Inhibition Afforded by Exfoliated Graphite Nanocomposites: Can Exfoliated Graphite Compete with Graphene?
Microstructure and Electrochemistry of Al-Rich Primer
Oxidation Behavior of Cold Spray Chromium Coatings on Zircaloy-4 in Steam Environments in 1100 °C to 1300 °C Temperature Range
Oxidation Behavior of TiAl Alloys and its Optimization by Deposition of Al-rich Coatings via Pack Aluminizing
Phase-Field Modeling of Microstructural Effects on the Corrosion of Mg Alloys
Surface Characterization of FeCrAl Accident Tolerant Fuel Cladding Material After Flow Boiling Testing Under Atmospheric Pressure
The Effect of Surface Treatment on the Performance of a Zirconium-based Conversion Coating on AA7075 Automotive Alloys for Protection Against Filiform Corrosion
Towards Designing and Discovering Novel Corrosion Inhibitors for Solution and Coating Applications
Understanding the Impact of Pigment Selection on the Properties of Electrodeposited Coatings

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