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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Environmentally Assisted Cracking: Theory and Practice
Presentation Title Fundamental Mechanisms of Mitigating Stress Corrosion Cracking of Austenitic Stainless Steels by Laser Shock Peening
Author(s) Bai Cui, Fei Wang, Xiaoxing Qiu, Chenfei Zhang, Yongfeng Lu, Michael Nastasi
On-Site Speaker (Planned) Bai Cui
Abstract Scope Austenitic stainless steels are susceptible to stress corrosion cracking (SCC) in hot and corrosive water environments, which has become a significant limit for the lifetime of these alloys in petroleum, chemical, and nuclear industries. The existing methods for controlling SCC have many limitations and problems. A laser shock peening (LSP) process has been identified as a new approach that can effectively mitigate SCC of austenitic stainless steels. However, the fundamental mechanisms by which this occurs remain poorly understood. In the LSP process, laser-driven shock waves are generated which can penetrate to a depth of more than 1 mm from the surface, inducing significant compressive residual stresses and plastic deformation in the sub-surface. This research will use experimental approaches to understand the microstructural evolution generated by LSP, determine the processing-microstructure-property relationship in the LSP process, and elucidate the mechanisms that enable LSP to mitigate SCC of austenitic stainless steels.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Microstructural and Electrochemical Characterization of Galvanic Corrosion in Al7075-T651/316 Stainless Steel Couples
Assessing the Fracture Strength of Geological and Related Materials via an Atomistically Based J-integral
Atomic Insights on Hydrogen Embrittlement in Iron
Challenges and Recent Progress in High Fluence Irradiation Assisted Stress Corrosion Cracking
Consequence of Hydrogen Desorption on Local Mechanical Properties and the Fracture Mechanisms of a Martensitic Steel
Correlating Grain Boundary Microchemistry in Austenitic Stainless Steels with Their Susceptibility to Irradiation-assisted Stress Corrosion Cracking
Corrosion of Nickel-Titanium, C110, and Al6061 in Gallium-based Liquid Metal Alloys
Crack Growth Prediction for Stress Corrosion Cracking and Corrosion Fatigue of Irradiated Stainless Steels
Design of Nickel Alloys and Superalloys with a High Resistance to Hydrogen Embrittlement
Diffusion, Trapping Mechanisms and Some Implications on Local Approach of Fracture in Martensitic Steel
Direct Observations of Corrosion Cracking in a TEM
Effect of Chemical Composition on Embrittlement of High Manganese TWIP Steel
Effect of Mechanical Stresses on the Pitting Corrosion Behavior of an Al7075 Alloy
Effects of Internal and External Hydrogen Environments on Crack Growth in an Iron Based Superalloy
Effects of Trace Impurities on the Strength and Fracture of Hydrogen-Charged Ni-201
Environmentally Assisted Cracking of Commercial Carbon Steels and Corrosion Resistant Alloys
Environmentally Assisted Stress Corrosion Cracking of 5xxx Al Alloys in Atmospheric Environments
Factors Causing Hydrogen Embrittlement of Cold-drawn Pearlitic Steel Fractured under Elastic/Plastic Region
Factors Governing Hydrogen-Assisted Intergranular Cracking: Ni as a Model System
Fundamental Mechanisms of Mitigating Stress Corrosion Cracking of Austenitic Stainless Steels by Laser Shock Peening
Hydrogen-Induced Fracture: From Fundamentals to Prognosis
Hydrogen Embrittlement and Hydrogen-enhanced Strain-induced Vacancies in α-iron
Hydrogen Embrittlement and Stress Corrosion Cracking as Examples of the Chemomechanics of Solids
Hydrogen Embrittlement Mediated by Reaction between Dislocation and Grain Boundary in Iron
Intergranular Hydrogen Embrittlement: Hydrogen Diffusion in Nickel Singles Crystals and Bi-crystals
L-65: High Pressure Hydrogen Embrittlement of Fe-30Mn-0.2C-(1.5)Al High-Mn Steel
L-66: The Characterization of Grain Boundary Precipitates in Aluminum-Magnesium Alloys at Mildly Elevated Temperatures
L-67: The Influence of Global Slip Behavior on Hydrogen Environment-Assisted Cracking in Monel K-500
Linking Hydrogen-enhanced Plasticity to Hydrogen-induced Failure Mode
Macro- and Micro-scale Study of Hydrogen Susceptibility of Advanced High Strength Sheet Steels
Modeling Corrosion Damage and Crack Propagation Using Novel Meshless Peridynamics Framework
Peridynamic Modeling of Autonomous Lacy Cover Formation and of SCC
Quantification of Hydrogen-Metal Interactions in Engineering Alloys in Confined Spaces: Challenges and Opportunities
Relationships between the Galvanic Driving Force and Strain Energy Density Accumulation
Role of Hydrogen on Metal Plasticity: An Ab-Initio Study
Sensitization Effects on Environmentally Assisted Cracking of Al-Mg Alloys
Sensitization Effects on Tensile Behavior in 5XXX Series Aluminum Alloys: Macro- and Mesoscale Observations
Stacking Fault Energy Based Alloy Identification for Hydrogen Compatibility
Strain Rate Effects on the Stress Corrosion Cracking Behavior of Ni and Co Based Superalloys for Marine Applications
Stress-corrosion Cracking in Ti-8Al-1Mo-1V
Structural and Mechanical Characterization of Corroded Region in 7075 Aluminum (Al) Alloy
The Effect of Composition, Temper, and Crack Orientation on the Stress Corrosion Cracking Behavior of Al-Mg Alloys
The Effect of Microstructural Variation on Hydrogen Environment-Assisted Cracking Susceptibility of Monel K-500
The Effects of Alloy Chemistry on Localized Corrosion of Austenitic Stainless Steels
The Importance of Radiation and Deformation in Environmentally Assisted Cracking
The Role of Hydrogen-enhanced Strain-induced Lattice Defects on Hydrogen Embrittlement Susceptibility of X80 Pipeline Steel

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