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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Nanostructured Materials for Nuclear Applications
Presentation Title Microstructure and Strengthening Mechanism of Austenitic ODS Steels for High-Temperature Nuclear Applications
Author(s) Yinbin Miao, Kun Mo, Zhangjian Zhou, Xiang Liu, Kuan-Che Lan, Guangming Zhang, Jun-Sang Park, Jonathan Almer, James F Stubbins
On-Site Speaker (Planned) Yinbin Miao
Abstract Scope Austenitic ODS steels are promising candidates for structural materials in prospective advanced nuclear systems. A series of austenitic ODS steels, including ODS 304, ODS 310, ODS 316, and ODS 316Hf, were investigated by a coordinated combination of advanced characterization techniques. Phase identification of the oxide nanoparticles was performed based on synchrotron diffraction and analytic STEM results. Y-Ti-O enriched phases were found to dominate the ultra-fine particles (<10 nm), while Y-Al-O enriched particles may exist in the presence of Al addition. The size distribution of the oxide nanoparticles was measured by both synchrotron small-angle scattering and TEM observations. In-situ synchrotron tensile investigation was used to examine the load-partitioning phenomenon contributed by the oxide nanoparticles as well as the dislocation density and texture evolution during uniaxial tensile straining. Various types of austenitic ODS steels were compared to provide guidance to the development of future practical austenitic ODS steels for nuclear applications.
Proceedings Inclusion? Planned: A print-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Accelerated Simulations of Nanosize He-V Clusters to Experimentally Relevant Time Scale
An Overview of Some Major Recent Advances in Nanostructured Ferritic Alloys for Nuclear Energy Service
Behavior of Twin Boundaries in Nanotwinned Metals under In Situ Heavy Ion Radiation
Characterization of Nuclear Materials Using Combined TEM and Atom Probe Tomography
Deformation Mechanisms of ODS Nanostructured Ferritic Steels
Effect of Annealing on Microstructure and Mechanical Properties of Fe-14Cr-YWT Nanostructured Ferritic Alloy
Effect of Tube Processing Methods on Microstructure and Mechanical Properties of Nanostructured Ferritic Alloys
Evolution of Helium Bubbles in Nano-engineered SiC under Irradiation
Experiments on Controlled Helium Release through Nanocomposite Interface Design
In-situ Transmission Electron Microscopy/Irradiation Studies on Nanocrystalline Iron: Defect Density, Denuded Zone Formation and Grain Boundary Structure
Investigation of He Implanted Fe-Y2Ti2O7 Bilayers: Surrogate Interfaces to Further NFA Understanding
Irradiation-induced Nanoprecipitation on Exhaustible Sinks
Irradiation Tolerant Amorphous Silicon Oxycarbide and Crystalline Fe Nanocomposites
Mechanisms of Defect Interactions on Grain Boundaries of Pure Fe
Microstructural Investigation of Irradiation Effects in Nanoscale Stable Precipitation-Strengthened Steels
Microstructural Stability of Various ODS Alloys under High Dose Ion Irradiation
Microstructure and Mechanical Properties of High Dose Self-ion Irradiated Nanostructured Ferritic Alloys
Microstructure and Strengthening Mechanism of Austenitic ODS Steels for High-Temperature Nuclear Applications
Mitigation of He Embrittlement and Swelling in Nickel by Dispersed SiC Nanoparticles
Modeling Evolution of Gas Bubbles on Grain Boundaries of Nano-crystalline Materials under Irradiation
Modeling Extreme Levels of Helium Implantation into Tungsten Divertors for Fusion Reactors
Multiscale Modeling of Radiation Induced Segregation in Nanostructured Materials
Nanoprecipitates with High Coarsening Resistance in Irradiated Cu-Mo-Si Thin Films
Nanoprecipitation in Immiscible Alloy Systems
Non-random Walk Diffusion Enhances the Sink Strength of Semicoherent Interfaces
On the Nano-Oxide Phase in MA957 and FCDR NFA-1
Phase-field Modeling of Helium Precipitates at Solid-state Interfaces
Phase Stability and Solute Redistribution at Metal-oxide Interface under Ion Irradiation
Point Defect-fluxes to Interfaces during Irradiation
Point Defect Evolution in FCC Ni, NiFe and NiCr Alloys from Atomistic Simulations and Irradiation Experiments
Probing Nanoscale Damage Gradients in Irradiated Materials with Spherical Nanoindentation
Processing and Properties of Nanostructured Fe-Cr Alloys
Radiation Response of Nanolayered, Nanoporous and Nanotwinned Metals
Radiation Response of Nanostructured Apatite as a Nuclear Waste Form
Radiation Stability of High Dose Irradiated Nanostructured Alloys and the Development of Novel Alloy Concepts
Response of Equal Channel Angular Extrusion Processed Ultrafine Grained T91 Steel Subjected to High Temperature Heavy Ion Irradiation
Spatial Scales for Designing Radiation-resistant Materials
Spatially Resolved Simulation of Damage Accumulation in Nanocrystalline Metals
Stabilization Mechanisms of Nanocrystalline Iron-Chromium Alloys with Hafnium Addition
Surface and Interface Effects on Zinc Oxide Nanowires due to Ionizing Radiation
Synergistic Effects in Multi-Ion Irradiated Nano-Oxide Dispersed Ferritic Alloys
TEM Characterization of Irradiated and Unirradiated Fe-Cr Steels, Ni-based and and ODS Fe-12Cr-5Al Alloys
The History and Recent Progress in Development of the Advanced ODS 14YWT Ferritic Alloy for Radiation Tolerance
The Mechanical Properties of a PM2000 Oxide-Dispersion-Strengthened Alloy Tested by High Temperature Nanoindentation Testing
The Roles of Oxide Interfaces and Grain Boundaries in Helium Management in Nano-structured Ferritic Alloys: A First Principles Study
Understanding the Nanoscale Disordering and Morphological Uncertainties in Radiation Induced Ion Tracks of Gd2TiZrO7 by an Analytical Electron Microscopic Perspective

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