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Meeting Materials Science & Technology 2020
Symposium Environmentally Assisted Cracking: Theory and Practice
Sponsorship TMS Corrosion and Environmental Effects Committee
Organizer(s) Jenifer S. Locke, Ohio State University
Wenjun Cai, Virginia Polytechnic Institute and State University
Bai Cui, University of Nebraska Lincoln
Srujan Rokkam, Advanced Cooling Technologies, Inc.
Kaila Bertsch, University of Wisconsin-Madison
Scope Environmentally assisted cracking (EAC) is material degradation that occurs because of the deleterious interaction of mechanical stresses and an external corrosive environment, which often uniquely localizes within an occluded crack. EAC, including both stress corrosion cracking (SCC) and corrosion fatigue (CF), may significantly limit the functional life of many structures/components and cause unexpected failure in many fields, such as the oil and natural gas industry, advanced nuclear power plants, aerospace, and navy applications. EAC can occur in metals, alloys, ceramics, composites, and may be a potential problem in recently developed materials such as additively manufactured materials, high entropy alloys (multi-principal element alloys), etc.

This symposium provides a forum for discussion of research and advances in experimental approaches, material behavior, simulations, and lifetime assessment modeling related to EAC, both SCC and CF. This symposium seeks technical presentations related to experimental and modeling studies of various types of EAC, such as hydrogen embrittlement, stress corrosion cracking, corrosion fatigue, and liquid metal embrittlement.
The symposium will encompass, but is not limited to, the following themes:
• Advances in test methods and instrumentation for experimental approaches to assess EAC performance in laboratory, simulated service, and service environments;

• EAC in additively manufactured materials, compositionally complex alloys and high-entropy alloys;

• Advances in service monitoring and non-destructive evaluation/testing capabilities;

• Development of physics-based approaches for EAC monitoring and prognostics;

• Multiscale models to understand EAC mechanisms and predict the lifetime of structural materials in harsh environments;

• Development of databases for material EAC behavior in laboratory or service environments;

• SCC and CF of alloys in high-temperature water, seawater, molten salt, or other environments;

• Fracture and fatigue of alloys in hydrogen producing environments;

• Degradati

Abstracts Due 05/31/2020

Analyzing High-angle Grain Boundary Network Connectivity Using Graph Theory
Assessing the Influence of Hydrogen on The Deformation Behavior of a Precipitation-hardened Nickel-based Alloy
Atomistic Simulations of the Transport and Trapping of Hydrogen in Zirconium
Corrosion Fatigue Testing of AA7085-T7451 in Complex Atmospheric Environments of Varied Humidity with Surface Salt Loading
Cracking Mechanism of Carbon Steel in Presence of H2S/CO2 and H2S Scavenger, a Theory Based on Electrochemistry, Raman, and Tensile Testing
Directional Sensitization Responses in 5XXX Series Aluminum Alloy Microstructures
Elucidating the Loading Rate Dependence of Hydrogen Environment-assisted Cracking Behavior in Ti, Fe, Al, and Ni-based Structural Alloys
Hydrostatic Instability as the Underlying Mechanism of Hydrogen Embrittlement
Introductory Comments: Environmentally Assisted Cracking: Theory and Practice
Microstructure and Beta Phase Distribution Effects on Environmental Fracture Susceptibility in Al-Mg Alloys
Pit-to-Crack Transition in Stress Corrosion Cracking of Type 304 Stainless Steels Under Marine Exposure Conditions
The Relationship between Post-build Stress-relief Heat Treatment and the Hydrogen Embrittlement Susceptibility of Additively Manufactured IN625
The Role of SCC in Corrosion Fatigue Kinetics of AA5456-H116
Understanding Pitting Corrosion in a High-performance Aluminum Alloy by 4D X-ray Microtomography

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