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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Environmentally Assisted Cracking: Theory and Practice
Presentation Title Corrosion Crack Propagation Modeling Using Meshless Peridynamics Approach
Author(s) Srujan Rokkam, Michael Brothers, Max Gunzburger, Kishan Goel
On-Site Speaker (Planned) Srujan Rokkam
Abstract Scope Corrosion crack initiation and growth is of huge interest for estimating life of structural components in several engineering applications. Crack propagation phenomena is a result of complex interactions between electrochemical processes and stress redistribution in response to material/environment. Here, we discuss recent developments in the realm of meshless peridynamics approach for modeling corrosion damage and resulting crack propagation phenomena under synergistic effects of corrosion and mechanical loading. The approach is based on non-local peridynamics theory that replaces governing equations which are typically partial differential equations (as in classical continuum mechanics) with integro-differential equations that are easy to solve across discontinuities like crack. The framework is well suited for modeling crack propagation and failure, without the need to re-mesh the domain or the need for complicated crack path algorithms like that of XFEM or cohesive element method. Here we summarize the developments of the peridynamics approach and illustrate its capabilities.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Microstructural and Electrochemical Characterization of Accelerated Corrosion in Aluminum Alloys
Characterization of Stress Corrosion Cracking of 304 Stainless Steel Using High-energy Synchrotron X-ray Microtomography
Comparative Assessment of the Fracture Behaviour of API 5L X65 and Micro-alloyed Steels in E80 Simulated Fuel Ethanol Environment
Comparison of Hydrogen Introduction Techniques for In-situ TEM Straining Experiments
Correlative 3D Imaging of Iodine-induced Stress Corrosion Cracks in Zr Alloys
Corrosion Crack Propagation Modeling Using Meshless Peridynamics Approach
Cracking Behavior and Fracture Toughness of Irradiated Austenitic Stainless Steels in LWR Environments
Dealloying Induced Stress Corrosion Cracking
Dispelling Myths about Gaseous Hydrogen Environmental Fracture and Fatigue
EAC Behavior of Modified Duplex Stainless Steel Bars in Seawater
Effect of 3D Crystallographic Orientation and Microstructure on the Evolution of Corrosion in Aluminum Alloys
Effect of Frequency on Corrosion Fatigue Behavior of Steel 1.4016 in E85 Biofuel up to the Very High Cycle Fatigue Regime
Effect of Hydrogen on Ideal Shear Strength of Metals: An Ab-initio Study
Effect of Mechanical Deformation on the Corrosion Behavior in Al 7075 – Ti6Al4V Galvanic Joint
Electrochemical-mechanical Interactions in an Aluminum Alloy under Slow Strain Rate Stress Corrosion Cracking
Environment Induced Degradation in Maraging Steel Grade 18Ni1750
Environmental Cracking: Theory Depends on Practice
Evaluating the Effect of Sensitizing Time on the Hydrogen Embrittlement of Austenitic Stainless Steels
From First Discoveries in the Late 1800s to Mechanistic Understanding and Radiation Effects in the Early 2000s: Over 140 Years of Stress Corrosion Cracking Research
Fundamental Mechanisms of Preventing Stress Corrosion Cracking of Austenitic Alloys by Laser Shock Peening
Hydrogen-dislocation Interaction Revisited by Quantitative Mechanical Tests inside TEM
Hydrogen and Dislocation Assisted Grain Boundary Crack Initiation Mechanism
IASCC Behavior of Additively Manufactured 316L Stainless Steel in Light Water Reactor Environments
Incorporating Detailed Experimental Grain Boundary β-phase (Mg2Al3) Observations to Improve Sensitization Modeling of Aluminum AA5XXX Alloys
Influence of MC Carbides and γ’ on Hydrogen Trapping in Nickel Alloys and Superalloys: Experiment and Alloy Design
Mechanisms of High Temperature Stress Corrosion Crack Initiation in Austenitic Alloys
Metallurgical Factors and Changes Driving Susceptibly to Environment Assisted Cracking in Aluminum Alloys
Phase Field Modeling of Pitting & Crevice Corrosion
Role of Nitrogen on Hydride Nucleation and Stability in Pure Niobium by First-principles Calculations
SCC Property Evolution of X70 Pipeline Steel in Simulated Deep-sea Environments
Sensitization Effects on Tensile Behavior in 5XXX Series Aluminum Alloys: Environmentally Enhanced Cracking
The Effects of Grain Boundary Structure on the Intergranular Stress Corrosion Cracking Initiation Susceptibility of Alloy 690 in High Temperature Water
The Stress Corrosion Cracking Mechanism of a Cu-free Al-Zn-Mg Alloy in Sodium Chloride Solutions
Trapping against Hydrogen Embrittlement

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