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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Environmentally Assisted Cracking: Theory and Practice
Presentation Title Corrosion, Irradiation, and Cracking Studies in Support of Coating Development for SiC-based Accident Tolerant Fuel Cladding
Author(s) Stephen Raiman, Peter Doyle, Peter Mouche, Yutai Katoh
On-Site Speaker (Planned) Stephen Raiman
Abstract Scope SiC/SiC ceramic matrix composite (CMC) materials are attractive candidate materials for accident tolerant fuel (ATF) cladding. To improve hermiticity and compatibility with the coolant water, dual-purpose coatings are in development. To test the performance of the coating candidates during normal operating conditions, SiC and SiC/SiC composite samples were prepared with TiN, Cr, and CrN coatings. The samples were exposed to high temperature water in autoclaves to test their durability in light water reactor (LWR) conditions and irradiated in the MIT reactor to determine their radiation tolerance. Several coatings cracked during irradiation, perhaps due to differential swelling between the coatings and substrates. Some coatings that were irradiated in coolant water had higher rates of corrosion when compared to samples exposed to the same conditions without irradiation. This talk reports on the finding from the first generation of dual-purpose coatings and discusses current development efforts on second generation coatings.
Proceedings Inclusion? Planned:
Keywords Nuclear Materials, Other,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Multiphysics Model of Synergistic Environmental Exposure Assisted Damage of Composite Using Homogenization-based Degradation Variables
An Alternate Approach to DCB Specimens for Determining Sulfide Stress Cracking Thresholds: Constant or Increasing Driving Force Specimens
Assessing the Susceptibility of Existing Pipelines to Hydrogen Embrittlement
Characterization of Hydrogen Embrittlement Sensitivity of Various High Hardness Steels
Classifying Liquid-solid Metal Interactions: Separation of the Multiple Mechanisms of Liquid Metal Embrittlement
Combined Ab-initio and Experimental Study of Hydrogen Sorption in Dual Phase Steels
Comparison of Surface Treatment Technologies for the Mitigation of Stress Corrosion Cracking in Al-Mg
Controlling the Corrosion Behavior of Bioresorbable Magnesium Implants
Corrosion, Irradiation, and Cracking Studies in Support of Coating Development for SiC-based Accident Tolerant Fuel Cladding
Deconvoluting Mechanism in Complex Environments via In-situ Electron Microscopy
Discrepancy Between Hydrogen-modified Dislocation Structures in the Surface and Interior Grain
Elucidation of Corrosion Mechanisms in Light Alloys by In situ X-ray Micro and Nanotomography
Extraction of Zinc from Zinc Hypoxide in the Process of Ammonia Leaching
Fatigue Crack Propagation in AA7085-T7451 Exposed to Complex Atmospheric Environments
Finite Element Modeling and Uncertainty Quantification of Stressed Corrosion Behavior in Aluminum Alloys
Formation of Ni-O-H-S Surface Phases on Cathodically Charged Ni
Humidity and Chemistry Dependent Embrittlement in the Al-Ga-In Liquid Metal Embrittlement System
Hydrogen Embrittlement – A Retrospective Opinion
Hydrogen Permeability for Determining Hydrogen Embrittlement Susceptibility of High Hardness Steels
Influence of Hydrogen on Softened HAZ during In-situ Slow Strain Rate Testing in YS 550 MPa Grade Steel Welds
Irradiation-assisted Stress Corrosion Cracking (IASCC) of Austenitic Stainless Steels with Oversized Solutes in High-temperature Water
Macroscale-based Approaches for Assessing the Influence of Hydrogen on the Deformation Behavior of Polycrystalline Ni
Modeling of Corrosion Crack Dynamics and Fracture Using a Physics-based Meshless Peridynamics Approach
Phase-field Modeling of Galvanic Corrosion in Magnesium-Aluminum Joints
SCC Performance of Repaired 304L
Spectroelectrochemical Evaluation of Carbon Steel in Slightly Sour Environments Under the Presence of H2S/CO2 and Triazine-Based H2S Scavenger
Stress Corrosion Cracking Behavior of the Addictively Manufactured 316L Stainless Steel
Stress Corrosion Cracking of TRIP Fe39Mn20Co20Cr15Si5Al1 (at.%) High Entropy Alloy
The Effect of Additive Manufacturing Process Parameters on the Fatigue Crack Growth Rates of Alloy 718 in Elevated-pressure and Elevated temperature Hydrogen Gas
The Effect of Applied Potential and Loading Rate on the Hydrogen Environment-assisted Cracking Behavior of AA7075-T6511
The Effect of Loading Rate on Environment-assisted Cracking Behavior in Ti, Fe, Al, and Ni-based Structural Alloys
The Impact of Laser Shock Peening Parameters on the Ability to Mitigate Stress Corrosion Cracking in Al-Mg Alloys
Understanding General Grain Boundaries: The Weak Link for Mechanical and Chemical Degradation
Understanding Pitting Corrosion in a High-performance Aluminum Alloy by Four-dimensional (4D) X-ray Microtomography
Understanding the Effect of Polarization on SCC Resistance and Crack Tip pH of AA6111-T8
Understanding the Effects of β-phase Precipitation on the Stress Corrosion Cracking Performance of Thin Plate 5xxx Alloys

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