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Determination of Basic Structure-Property Relations for Processing and Modeling in Advanced Nuclear Fuel: Microstructure Evolution and Mechanical Properties (Final Report: April 30, 2005 through December 15, 2008).

DE2009948510

Publication Date	2009
Personal Author	Osborne, K.
Page Count	47
Abstract	The project objective is to study structure-property relations in solid solutions of nitrides and oxides with surrogate elements to simulate the behavior of fuels of inert matrix fuels of interest to the Advanced Fuel Cycle Initiative (AFCI), with emphasis in zirconium-based materials. Work with actual fuels will be carried out in parallel in collaboration with Los Alamos National Laboratory (LANL). Three key aspects will be explored: microstructure characterization through measurement of global texture evolution and local crystallographic variations using Electron Backscattering Diffraction (EBSD); determination of mechanical properties, including fracture toughness, quasi-static compression strength, and hardness, as functions of load and temperature, and, finally, development of structure-property relations to describe mechanical behavior of the fuels based on experimental data. Materials tested will be characterized to identify the mechanisms of deformation and fracture and their relationship to microstructure and its evolution. New aspects of this research are the inclusion of crystallographic information into the evaluation of fuel performance and the incorporation of statistical variations of microstructural variables into simplified models of mechanical behavior of fuels that account explicitly for these variations.
Keywords	Nuclear fuels Radioactive waste processing Microstructure Mechanical properties Nitrides Oxides Zirconium Crystallography Electrons Backscattering Diffraction Fracture strength Compression Deformation Production Statistical data Performance evaluation
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Los Alamos National Lab., NM.; Arizona State Univ., Tempe.; Department of Energy, Washington, DC.
Supplemental Notes	Prepared in cooperation with Arizona State Univ., Tempe. Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200913
Contract Number	DE-FC07-05ID14654

Determination of Basic Structure-Property Relations for Processing and Modeling in Advanced Nuclear Fuel: Microstructure Evolution and Mechanical Properties (Final Report: April 30, 2005 through December 15, 2008).

Determination of Basic Structure-Property Relations for Processing and Modeling in Advanced Nuclear Fuel: Microstructure Evolution and Mechanical Properties (Final Report: April 30, 2005 through December 15, 2008).
DE2009948510

Publication Date	2009
Personal Author	Osborne, K.
Page Count	47
Abstract	The project objective is to study structure-property relations in solid solutions of nitrides and oxides with surrogate elements to simulate the behavior of fuels of inert matrix fuels of interest to the Advanced Fuel Cycle Initiative (AFCI), with emphasis in zirconium-based materials. Work with actual fuels will be carried out in parallel in collaboration with Los Alamos National Laboratory (LANL). Three key aspects will be explored: microstructure characterization through measurement of global texture evolution and local crystallographic variations using Electron Backscattering Diffraction (EBSD); determination of mechanical properties, including fracture toughness, quasi-static compression strength, and hardness, as functions of load and temperature, and, finally, development of structure-property relations to describe mechanical behavior of the fuels based on experimental data. Materials tested will be characterized to identify the mechanisms of deformation and fracture and their relationship to microstructure and its evolution. New aspects of this research are the inclusion of crystallographic information into the evaluation of fuel performance and the incorporation of statistical variations of microstructural variables into simplified models of mechanical behavior of fuels that account explicitly for these variations.
Keywords	Nuclear fuels Radioactive waste processing Microstructure Mechanical properties Nitrides Oxides Zirconium Crystallography Electrons Backscattering Diffraction Fracture strength Compression Deformation Production Statistical data Performance evaluation
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Los Alamos National Lab., NM.; Arizona State Univ., Tempe.; Department of Energy, Washington, DC.
Supplemental Notes	Prepared in cooperation with Arizona State Univ., Tempe. Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200913
Contract Number	DE-FC07-05ID14654