Non-Destructive Characterization of UO<sub>2+<i>x</i></sub> Nuclear Fuels

Pokharel, Reeju; Brown, Donald W.; Clausen, B.; Byler, Darrin D.; Ickes, Timothy Lee; McClellan, Kenneth J.; Suter, Robert M.; Kenesei, Péter

doi:10.1017/s155192951700102x

Cited by 14 publications

(3 citation statements)

References 20 publications

(21 reference statements)

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“…Materials have been studied in pristine annealed states (with almost perfect single-crystal grains), as well as in deformed states after tensile (12), cyclic (13), and shock deformation (14). Materials spanning most of the Periodic Table, from aluminum (15) to uranium oxide (16), have been studied. Section 4 describes example applications.…”

Section: Introductionmentioning

confidence: 99%

High-Energy X-Ray Diffraction Microscopy in Materials Science

Bernier

Suter

Rollett

et al. 2020

Annu. Rev. Mater. Res.

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High-energy diffraction microscopy (HEDM) is an implementation of three-dimensional X-ray diffraction microscopy. HEDM yields maps of internal crystal orientation fields, strain states, grain shapes and locations as well as intragranular orientation distributions, and grain boundary character. Because it is nondestructive in hard materials, notably metals and ceramics, HEDM has been used to study responses of these materials to external fields including high temperature and mechanical loading. Currently available sources and detectors lead to a spatial resolution of ∼1 μm and an orientation resolution of <0.1○. With the penetration characteristic of high energies ( E ≥ 50 keV), sample cross-section dimensions of ∼1 mm can be studied in materials containing elements across much of the Periodic Table. This review describes hardware and software associated with HEDM as well as examples of applications. These applications include studies of grain growth, recrystallization, texture development, orientation gradients, deformation twinning, annealing twinning, plastic deformation, and additive manufacturing. We also describe relationships to other X-ray-based methods as well as prospects for further development.

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Section: Introductionmentioning

confidence: 99%

High-Energy X-Ray Diffraction Microscopy in Materials Science

Bernier

Suter

Rollett

et al. 2020

Annu. Rev. Mater. Res.

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“…Many critical components in aerospace structures and energy systems are comprised of highly heterogeneous composites [1,2]. Examples include (a) single- and polycrystalline superalloys deployed in aeroengine and gas turbine blades [3], (b) interpenetrating phase metamaterials such as SiC-SiC composites used in accident-tolerant nuclear fuel claddings [4,5] and (c) multifunctional polymer matrix composites with a wide spectrum of applications thanks to their exceptional mechanical properties [6,7].…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic imaging in highly heterogeneous backgrounds

Pourahmadian

Haddar

2023

Proc. R. Soc. A.

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This work formally investigates the differential evolution indicators as a tool for ultrasonic tracking of elastic transformation and fracturing in randomly heterogeneous solids. Within the framework of periodic sensing, it is assumed that the background at time t ∘ contains (i) a multiply connected set of viscoelastic, anisotropic and piecewise homogeneous inclusions, and (ii) a union of possibly disjoint fractures and pores. The support, material properties and interfacial condition of scatterers in (i) and (ii) are unknown, while elastic constants of the matrix are provided. The domain undergoes progressive variations of arbitrary chemo-mechanical origins such that its geometric configuration and elastic properties at future times are distinct. At every sensing step t ∘ , t 1 , … , multi-modal incidents are generated by a set of boundary excitations, and the resulting scattered fields are captured over the observation surface. The test data are then used to construct a sequence of wavefront densities by solving the spectral scattering equation. The incident fields affiliated with distinct pairs of obtained wavefronts are analysed over the stationary and evolving scatterers for a suit of geometric and elastic evolution scenarios entailing both interfacial and volumetric transformations. The main theorem establishes the invariance of pertinent incident fields at the loci of static fractures and inclusions between a given pair of time steps, while certifying variation of the same fields over the modified regions. These results furnish a basisfor theoretical justification of differential evolution indicators for imaging in complex composites which, in turn, enable the exclusive tomography of evolution in a background endowed with many unknown features.

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“…Many critical components in aerospace structures and energy systems are comprised of highly heterogeneous composites [41,11]. Examples include (a) single-and polycrystalline superalloys deployed in aeroengine and gas turbine blades [6], (b) interpenetrating phase metamaterials such as SiC-SiC composites used in accident-tolerant nuclear fuel claddings [1,46], and (c) multifunctional polymer matrix composites with a wide spectrum of applications thanks to their exceptional mechanical properties [25,47].…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic imaging in highly heterogeneous backgrounds

Pourahmadian,

Haddar

2022

Preprint

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This work formally investigates the differential evolution indicators as a tool for ultrasonic tracking of elastic transformation and fracturing in randomly heterogeneous solids. Within the framework of periodic sensing, it is assumed that the background at time t • contains (i) a multiply connected set of viscoelastic, anisotropic, and piece-wise homogeneous inclusions, and (ii) a union of possibly disjoint fractures and pores. The support, material properties, and interfacial condition of scatterers in (i) and (ii) are unknown, while elastic constants of the matrix are provided. The domain undergoes progressive variations of arbitrary chemomechanical origins such that its geometric configuration and elastic properties at future times are distinct. At every sensing step t • , t 1 , . . ., multi-modal incidents are generated by a set of boundary excitations, and the resulting scattered fields are captured over the observation surface. The test data are then used to construct a sequence of wavefront densities by solving the spectral scattering equation. The incident fields affiliated with distinct pairs of obtained wavefronts are analyzed over the stationary and evolving scatterers for a suit of geometric and elastic evolution scenarios entailing both interfacial and volumetric transformations. The main theorem establishes the invariance of pertinent incident fields at the loci of static fractures and inclusions between a given pair of time steps, while certifying variation of the same fields over the modified regions. These results furnish a basis for theoretical justification of differential evolution indicators for imaging in complex composites which, in turn, enable the exclusive tomography of evolution in a background endowed with many unknown features.

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Non-Destructive Characterization of UO_2+x Nuclear Fuels

Cited by 14 publications

References 20 publications

High-Energy X-Ray Diffraction Microscopy in Materials Science

High-Energy X-Ray Diffraction Microscopy in Materials Science

Ultrasonic imaging in highly heterogeneous backgrounds

Ultrasonic imaging in highly heterogeneous backgrounds

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Non-Destructive Characterization of UO2+x Nuclear Fuels

Cited by 14 publications

References 20 publications

High-Energy X-Ray Diffraction Microscopy in Materials Science

High-Energy X-Ray Diffraction Microscopy in Materials Science

Ultrasonic imaging in highly heterogeneous backgrounds

Ultrasonic imaging in highly heterogeneous backgrounds

Contact Info

Product

Resources

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Non-Destructive Characterization of UO_2+x Nuclear Fuels