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Meeting 2014 TMS Annual Meeting & Exhibition
Symposium Multiscale Approaches to Hydrogen-assisted Degradation of Metals
Sponsorship TMS Materials Processing and Manufacturing Division
TMS Structural Materials Division
TMS/ASM: Computational Materials Science and Engineering Committee
TMS: Integrated Computational Materials Engineering Committee
TMS/ASM: Mechanical Behavior of Materials Committee
Organizer(s) Nicholas Winzer, Fraunhofer IWM
Matous Mrovec, Fraunhofer IWM
Brian Somerday, Sandia National Laboratories
Petros Sofronis, University of Illinois
David Bahr, Purdue University
Srinivasan Rajagopalan, ExxonMobil Research and Engineering Company
Scope Hydrogen-assisted degradation of metals is a serious and costly industrial problem. There is an urgent need to develop computational tools for the prediction of the reliability and lifetime of materials and components affected by hydrogen. Critical to achieving this goal is the development of accurate descriptions of hydrogen-microstructure interactions under conditions relevant to those occurring in service. Since these interactions occur at all length scales, this poses a true multiscale challenge.

The aim of the proposed symposium is to promote the exchange of ideas and information regarding the application of cutting-edge theoretical and experimental methods to industrial problems involving hydrogen-assisted degradation of metals. A particular focus of the symposium would be multiscale modeling (e.g. coupled atomistic, mesoscopic and macroscopic descriptions and of hydrogen transport and damage mechanisms) as well as integrated theoretical and experimental approaches to hydrogen-microstructure interactions (e.g. the application of experimental methods for model validation and determination of modeling parameters). Presentations that provide an overview of hydrogen-related industrial problems would also be strongly encouraged.

A provisional list of topics is as follows:
•Industrial problems involving hydrogen-assisted degradation
•Atomistic studies of hydrogen-microstructure interactions
•Macroscopic descriptions of hydrogen transport in materials and components
•Simulation of hydrogen-assisted damage mechanisms
•Modeling of hydrogen ad/absorption on metal surfaces
•Coupling of models of hydrogen-microstructure interactions at different scales
•Application of models to reliability and lifetime prediction
•Integrated experimental and theoretical approaches to characterizing hydrogen-microstructure interactions
•Advanced experimental methods for detection and measurement of hydrogen in metals
Abstracts Due 07/15/2013
Proceedings Plan Planned: Paper Selections

A Re-examination of the Modeling of Solutes and Their Interactions with Other Defects
A Review on the Influence of Metallurgical Parameters on the Diffusion and Trapping of Hydrogen in Quenched and Tempered Martensitic Steels
Ab Initio Based Understanding of the Segregation and Diffusion Mechanisms of Hydrogen in Steels
An Atomistic Study of Helium-3 Bubble Growth in Aging Palladium Tritides
Characterization of Hydrogen Traps in Steels Using Thermal Desorption Spectrometry (TDS)
Connecting Hydrogen-enhanced Plasticity with the Fracture Mechanism
Coupled Atomistic-analytical Approach to Study Hydrogen Embrittlement by Nano-hydride Formation
Designing Steels Combining Ultra-strength and Hydrogen Resistance
Effect of Thermal Up-quenching on Internal Hydrogen Embrittlement of Hot Dip Galvanized High Strength Steel Fasteners
Effects of Hydrogen Concentration, Dislocation Density and Crystal Size in Deformation of Iron Nano-crystals: A Molecular Dynamics Study
Embrittlement Measures in Fe-base Systems Appropriate to Multiscale Models
First-principles Models for Radiation Damage in D-T Fusion Power Plants
Hydrogen- assisted Degradation of Steels Used in Various Market Segments
Hydrogen-defect Interactions in the Framework of the Defactant Concept
Hydrogen-induced Strain Localization at Meso-scale in Austenitic Stainless Steels
Hydrogen Effects on the Material Characteristics of Pulse-plated Nickel
Hydrogen Embrittlement in Precipitation Strengthened Ni-base Superalloys
Hydrogen Embrittlement in Pulse-plated Nickel Material of Liquid Propulsion Rocket Engines
Hydrogen Embrittlement of High Strength Advanced Oilfield Alloys
Hydrogen Embrittlement of Steels: New Observations and Modeling of Micromechanisms of Fracture
Hydrogen Environment Assisted Cracking (HEAC) of Modern Ultra-high Strength Stainless Steel
Hydrogen Permeability in Zn-Ni and Al Coatings
Magnetic Tight Binding Models for Interstitial Elements and Extended Defects in Iron Phases
Measurement and Modeling of Hydrogen Environment Assisted Cracking in Monel K-500
Modeling Dislocation Mediated Hydrogen Transport
Modeling of Gaseous Impurity Inhibition of Hydrogen Environment Embrittlement
On the Implication of Dislocations and Vacancies Distributions on Hydrogen Diffusion and Trapping in FCC Alloys: Grain-boundaries and Dislocation Patterns
Random-walk Based Continuum Model of Hydrogen Diffusion and Trapping in Metals
Simulating Hydrogen Embrittlement and Fast Pathways for Diffusion through Localization Elements
Hide details for [<a href="/PM/PM.nsf/ApprovedAbstracts/B5E1E4978E53ADE085257B910057F515?OpenDocument">Simulating Oxidation, PhSimulating Oxidation, Phase Transformation and Hydride Precipitation in Zirconium by Phase Field Modeling
[Replication or Save Conflict]
Slip Transmission and Mechanical Behavior of Ni-alloys in the Presence of Hydrogen
The Effect of Alloying on the Properties of Metal-Hydrogen Systems: Modeling and Simulation of Diffusion, Dislocation Loops, and Phase Changes.
The Role of VC Precipitates in Hydrogen Assisted Cracking of Vanadium Modified 2⅟₄Cr1Mo Steel

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