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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Environmentally Assisted Cracking: Theory and Practice
Presentation Title NOW ON-DEMAND ONLY – Role of Accumulated Plastic Strain on Grain Boundary Corrosion of Steel
Author(s) Amir Abdelmawla, Kaustubh Kulkarni, Ashraf Bastawros
On-Site Speaker (Planned) Amir Abdelmawla
Abstract Scope Steel structures may experience localized plastic strains, arising from wide range of service anomalies. Regions of accumulated plastic strain are more prone to accelerated stress corrosion cracking. Here, we systematically analyzed the intergranular corrosion (IGC) at potentials of active dissolution in moderately alkaline carbonate-bicarbonate solutions and under pre-accumulated plastic strain ranging from 0-2.5%. We report the strain-dependent morphological evolution during the initial stage of IGC of X70 steel in sodium bicarbonate solution, in the potential range of high SCC susceptibility. At potentials in the range of SCC susceptibility, IGC creates triangular wedges of porous corrosion products centered at grain boundary triple junctions. The wedges shapes and the total integrated charge from the polarization curves where greatly affected and correlated with the level of the accumulated plastic strains. These findings provide a plausible link of a coupled chemical-mechanical mechanisms responsible for the accelerated SCC in regions of plastically deformed structures.
Proceedings Inclusion? Planned:


A New Test Specimen to Determine Environmentally-assisted Cracking Threshold
A Surface Deformation Approach for Improved Hydrogen Embrittlement Resistance
Alloy and Process Modification for Reduced Hydrogen Sensitivity of High Hardness Steel
Atomistic Study on Diffusion and Trapping of Hydrogen in Nanocrystalline Steel
B-3: Hydrogen Embrittlement in Ni-base Superalloy 718
Capturing the Effect of Environment and Electrochemistry on Crack Growth of Metals and Alloys Using Density Functional Theory
Cold Spray Process to Combat Potential Stress Corrosion Cracking in Used Nuclear Fuel Storage Stainless Steel Canisters
Composition and Morphology of C1018 Carbon Steel Coupons Retrieved from High Temperature Water Injection Well
Contributions to the Understanding of Hydrogen Embrittlement by a Thermodynamic Approach
Correlating Crack Tip pH to Corrosion Fatigue Performance in Al Alloys
Corrosion and Mechanical Characterization of Friction-stir Welded Joints between Aluminum and Magnesium Alloys
Design and Experimental Validation of Hydrogen Trapping Features in Nickel Alloys
Designing Robust Aluminum Alloys and Structures Resistant to Simultaneous Surface Stress and Corrosion
Effect of Grain Boundary Character on Chloride-induced Transgranular Stress Corrosion Cracking Propagation in an Austenitic Stainless Steel
Effect of Irradiation on the Cracking Behavior of Stainless Steels in Light Water Reactor Environment
Effect of Water on Localized Corrosion and Stress Corrosion Cracking of Stainless Steels in Chloride Environments
Effects of Atmospheric Corrosion on Corrosion Fatigue of AA7085-T7451: Investigating the Role of Surface Salts, Varied Humidity, and Temperature
Effects of Test Orientation on Environmentally-assisted Cracking of 5xxx Series Aluminum Alloys
Environmental Creep Behavior of a 9Cr Martensitic Steel in CO2 and Air
Environmental Fracture of Alpha-brass in a Multi-scale QM/MM Approach
Environmentally Assisted Cracking Research for Current and Advanced Nuclear Structural Materials
Hydrogen-Induced Cracking of Pure Titanium in Hydrochloric Acid Solution Using Constant Load Method
Hydrogen Effects in Metals: New Tools, New Insights
In-situ SEM Investigation of Chemo-mechanical Effects on Cutting-induced Mixed-mode II-III fracture of Martensitic Stainless Steel
In Situ Experiments to Reveal Coupling Between Stress and Hydrogen on Stress Corrosion Cracking of Fe-based Alloys
Investigating the Effect of Polarization on SCC Resistance of AA6111 and the Role of Crack Tip pH
Investigation of Fundamental Mechanical and Electrochemical Mechanism during the Tribocorrosion Process of Aluminum Using Experiments and Simulations
Mitigation of Stress Corrosion Cracking in Al-Mg via Laser Shock Peening
Modeling of Corrosion and Mechanical Failure in Friction Stir Welded Magnesium-aluminum Vehicle Joints
Multiscale Modeling of Fatigue Crack Growth and Environmental Effects
New Insights into the Impact of Hydrogen on Monotonic/Cyclic Plasticity in Nickel Single Crystal Based on Nanoindentation Investigation
NOW ON-DEMAND ONLY - A Portable Solution to Corrosion Remediation of Sea Ships to Desensitize Severely Sensitized Aluminum Alloys Using Lasers
NOW ON-DEMAND ONLY - An Investigation of Stress Corrosion Cracking Performance for Naturally Aged 5xxx Alloys
NOW ON-DEMAND ONLY – Mechanisms of Mitigating Chloride-induced Stress Corrosion Cracking of Austenitic Steels by Laser Shock Peening
NOW ON-DEMAND ONLY - Physics-based Modeling of Corrosion Crack Dynamics and Fracture: A Case for Meshless Peridynamics Approach
NOW ON-DEMAND ONLY – Role of Accumulated Plastic Strain on Grain Boundary Corrosion of Steel
On the Critical Role of Localized Oxidation Processes in High Temperature Failures under Cyclic Thermomechanical Loading Conditions
Optimization of Stress Corrosion Mitigation in Al-Mg via Zn-Rich Primers
Peening Technologies to Mitigate Initiation and Resurgence of Stress Corrosion Cracking in Dry Cask Storage Stainless Steel Canisters
Predicting Electrochemical Conditions in a Stress Corrosion Crack Tip and the Influence of Exposure Environment
Recent Developments in Coupled In-situ Transmission Electron Microscopy to Better Understand Materials Degradation
Recent Progress on Modeling Corrosion Damage with Peridynamics
Relating Localized Corrosion Rates to Microstructure in Pure Al Exposed to Salt Water Environments
Sensitization Responses along Different Directions of 5XXX Series Aluminum Alloy Plate Microstructures
Stress Corrosion Cracking Behavior of Mg-Al-Zn Alloys in Humid Air
Stress Corrosion Cracking Guidelines Challenges
Stress Corrosion Cracking Study of Fe39Mn20Co20Cr15Si5Al1 (at.%) Compositionally Complex Alloy in 3.5 wt.% NaCl Salt Solution
The Effect of Loading Rate on the Environment-assisted Cracking Behavior of Sensitized AA5456-H116
Ab Initio Study of Hydrogen Embrittlement in Binary Nickel Alloys

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