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Showing 1 to 12 of 12 for “"High energy x-ray diffraction"”.
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High energy x-ray diffraction microstructural analysis of oxide dispersion strengthened steel for advanced nuclear systems
… exhibits exceptional radiation resistance and high-temperature creep strength when compared to traditional ferritic and martensitic steels. ODS steel has been considered one of most promising structural materials for advanced nuclear systems. In this study, we applied the high-energy …
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In-situ 3D high-energy X-ray diffraction study on deformation behavior of neutron-irradiated Fe-9%Cr
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-12-01
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A High Energy X-Ray Diffraction Investigation Of Sodium Phosphate Glasses Doped With Less Than 5 Mol% Praseodymium Oxides
… glasses (REPGs) are excellent materials for high energy (10<super>3</super> - 10<super>6</super> J) / high peak power ( 10<super>12</super> - 10<super>15</super> W) lasers. Previous work of the rare earth doped sodium phosphate glasses with compositions …
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Deformation and residual stresses at the intragranular scale – a study using high energy x-ray diffraction and modeling in polycrystalline alloys
… inside a grain). With the advent of high energy x-ray diffraction (HEXD), using synchrotron radiation, it has become possible to probe the bulk of a polycrystalline material in-situ and investigate material deformation with sufficient spatial and temporal resolution. In the current …
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Structural and chemical characterization of complex nanomaterials at atomic resolution
… Pt catalysts supported on γ-Al2O3 using X-ray absorption spectroscopy (XAS) and scanning transmission electron microscopy (STEM) revealed non-bulk-like behavior. Anomalous, temperature-dependent structural dynamics were characterized in the form of negative thermal expansion (NTE) and …
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DEVELOPMENT OF NANO-STRUCTURED METAL OXIDES/GRAPHENE FOR ENERGY APPLICATIONS
… and deintercalation processes using in operando high-energy x-ray diffraction (HEXRD) and in operando x-ray adsorption near edge spectroscopy (XANES). The HEXRD results clearly show that V2O5 undergoes phase transformations during the first Li+ ion intercalation (i.e. discharge) process. The …
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DEVELOPMENT OF NANO-STRUCTURED METAL OXIDES/GRAPHENE FOR ENERGY APPLICATIONS
… and deintercalation processes using in operando high-energy x-ray diffraction (HEXRD) and in operando x-ray adsorption near edge spectroscopy (XANES). The HEXRD results clearly show that V2O5 undergoes phase transformations during the first Li+ ion intercalation (i.e. discharge) process. The …
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Studies of Macromolecule/Molecule Adsorption and Activity at Interfaces
… a 2-dimensional monolayer. While, for TMACE, the energy gained through the hydrophobic interaction between adjacent long polyelectrolyte branches may afford the electrostatic repulsion and chain entropy penalties, resulting in the formation of 3-dimensional adsorbed polyelectrolyte layers. …
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In situ diffraction investigations of mechanisms that lead to path dependent mechanical behaviours of nickel-titanium shape memory alloys
… main hindrance. But with development of modern diffraction technique, it has been possible to study deformation and correlate them with microstructure evolution. In this current work, we aim to provide some insights quantify evolution of internal state variables (ISVs) like volume fraction under …
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The relationship between mechanical properties and microstructure of HT9 steel
… for these reactors will need to withstand higher operation temperatures, more neutron irradiation (greater flux), and corrosion from liquid metal coolants. HT9, a ferritic/martensitic alloy, was used in previous fast research reactors (such as EBR-II and FFTF). However, it needs validation …
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Synthesis-Structure-Property Relationships in Lead-Free Piezoelectric Materials
… of devices such as sensors, actuators and energy harvesters. However, most of these piezoelectric materials utilize lead-based systems which are becoming serious problem owing to the restrictions imposed by regulatory agencies across the globe. In the functional ceramics community, …
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Microstructural evolution and mechanical behavior in nickel based alloys for very high temperature reactor
… advanced reactor development program, the Very High Temperature Reactor (VHTR) is the lead concept. Design and development steps are currently underway to construct a high-temperature reactor as the next generation nuclear plant (NGNP) at Idaho National Laboratory (INL). A major limitation of …