Shen J. Dillon
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View article: A case for non-steady-state grain growth kinetics
A case for non-steady-state grain growth kinetics Open
View article: Nucleation rate controlled grain boundary and lattice creep
Nucleation rate controlled grain boundary and lattice creep Open
View article: Opening-Dominated Fracture Characterization of Single Crystal Spinel in the Transmission Electron Microscope
Opening-Dominated Fracture Characterization of Single Crystal Spinel in the Transmission Electron Microscope Open
Background Characterizing deformation and failure mechanisms through small-scale testing has helped in the fundamental understanding of material response, and direct loading in a transmission electron microscope (TEM) has played a large ro…
View article: Temperature-dependent microstructural evolution in a compositionally complex solid electrolyte: The role of a grain boundary transition
Temperature-dependent microstructural evolution in a compositionally complex solid electrolyte: The role of a grain boundary transition Open
Compositionally complex solid electrolyte (Li0.375Sr0.4375)(Ta0.375Nb0.375Zr0.125Hf0.125)O3 (LSTNZH) samples are synthesized using different sintering temperatures, durations, and cooling conditions (furnace cooling (FC) vs. air quenching …
View article: An Arrhenius Mechanics Model for Polycrystalline Plasticity and Creep
An Arrhenius Mechanics Model for Polycrystalline Plasticity and Creep Open
View article: Creep and failure at metal-oxide interfaces
Creep and failure at metal-oxide interfaces Open
View article: Assessing cathode–electrolyte interphases in batteries
Assessing cathode–electrolyte interphases in batteries Open
View article: Irradiation-induced creep in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>UO</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mo>:</mml:mo></mml:math> The role of grain boundaries
Irradiation-induced creep in The role of grain boundaries Open
View article: Using in situ UO <sub>2</sub> bicrystal sintering to understand grain boundary dislocation nucleation kinetics and creep
Using in situ UO <sub>2</sub> bicrystal sintering to understand grain boundary dislocation nucleation kinetics and creep Open
Capillary evolution at bicrystal UO 2 grain boundaries is characterized using in situ transmission electron microscopy. The discontinuous nature of the densification process, both particle rotation and axial strain, along with the large ac…
View article: Ultrahigh Temperature <i>In Situ</i> Transmission Electron Microscopy Characterization of Capillary Response in Model Bicrystals
Ultrahigh Temperature <i>In Situ</i> Transmission Electron Microscopy Characterization of Capillary Response in Model Bicrystals Open
Journal Article Ultrahigh Temperature In Situ Transmission Electron Microscopy Characterization of Capillary Response in Model Bicrystals Get access Shen J Dillon, Shen J Dillon Department of Materials Science and Engineering, University o…
View article: An interface nucleation rate limited sintering kinetic model applied to in situ sintering Al2O3-SmAlO3 composites
An interface nucleation rate limited sintering kinetic model applied to in situ sintering Al2O3-SmAlO3 composites Open
A nucleation rate limited sintering model was recently developed based on observations of bicrystal sintering. This work validates the applicability of this model for sintering of polycrystalline clusters of Al2O3-SmAlO3 at high temperatur…
View article: A nucleation rate limited model for grain boundary creep
A nucleation rate limited model for grain boundary creep Open
View article: Interface nucleation rate limited densification during sintering
Interface nucleation rate limited densification during sintering Open
In situ bicrystal sintering experiments performed in a transmission electron microscope indicate that the densification rate can follow interface nucleation rate limited kinetics. This work performs in situ sintering experiments on immisci…
View article: Plateau–Rayleigh instability with a grain boundary twist
Plateau–Rayleigh instability with a grain boundary twist Open
We demonstrate using theoretical, computational, and experimental studies a morphological instability, in which a polycrystalline nanorod breaks up at grain boundaries (GBs) into an array of isolated domains. Our theoretical model is used …
View article: Ultrahigh Temperature <i>In Situ</i> TEM Based Small-scale Mechanical Characterization
Ultrahigh Temperature <i>In Situ</i> TEM Based Small-scale Mechanical Characterization Open
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View article: Evidence for interface-rate limited densification kinetics at Al2O3-GdAlO3 interfaces characterized by in situ ultrahigh temperature transmission electron microscopy
Evidence for interface-rate limited densification kinetics at Al2O3-GdAlO3 interfaces characterized by in situ ultrahigh temperature transmission electron microscopy Open
The sintering behavior of single Al2O3 particles resting on GdAlO3 is characterized using in situ transmission electron microscopy imaging. In bicrystal experiments, particles with lower Al2O3-GdAlO3 phase boundary energies shrink via Ostw…
View article: Interphase boundary, grain boundary, and surface diffusion in Al2O3-GdAlO3 composites determined from bicrystal coble creep experiments
Interphase boundary, grain boundary, and surface diffusion in Al2O3-GdAlO3 composites determined from bicrystal coble creep experiments Open
Small-scale in situ transmission electron microscopy-based Coble creep experiments were performed on Al2O3-GdAlO3 composites using localized laser heating. A primary goal of the work was to isolate the Al2O3-GdAlO3 interphase boundary diff…
View article: A Nucleation Rate Limited Model for Grain Boundary Creep
A Nucleation Rate Limited Model for Grain Boundary Creep Open
View article: Grain boundary energies in yttria‐stabilized zirconia
Grain boundary energies in yttria‐stabilized zirconia Open
The three‐dimensional microstructure of 8% yttria‐stabilized zirconia (YSZ) was measured by electron backscatter diffraction and focused ion beam serial sectioning. The relative grain boundary energies as a function of all five crystallogr…
View article: Irradiation Creep and Fatigue Observed via In-situ Electron Microscopy.
Irradiation Creep and Fatigue Observed via In-situ Electron Microscopy. Open
View article: Evidence for a High Temperature Whisker Growth Mechanism Active in Tungsten during In Situ Nanopillar Compression
Evidence for a High Temperature Whisker Growth Mechanism Active in Tungsten during In Situ Nanopillar Compression Open
A series of nanopillar compression tests were performed on tungsten as a function of temperature using in situ transmission electron microscopy with localized laser heating. Surface oxidation was observed to form on the pillars and grow in…
View article: Interfacial Transport Mechanisms Characterized using Ultrahigh Temperature in situ TEM Nanomechanical Testing.
Interfacial Transport Mechanisms Characterized using Ultrahigh Temperature in situ TEM Nanomechanical Testing. Open
View article: Phase evolution in driven alloys: An overview on compositional patterning
Phase evolution in driven alloys: An overview on compositional patterning Open
View article: A Different Kind of MS&T: Virtual Meeting Featured Live Events and On-Demand Technical Talks
A Different Kind of MS&T: Virtual Meeting Featured Live Events and On-Demand Technical Talks Open
View article: Fracture Strength Determination Methods for Ceramic Materials Applied to Uranium Dioxide
Fracture Strength Determination Methods for Ceramic Materials Applied to Uranium Dioxide Open
The Advanced Fuels Campaign is currently focusing on development of accident-tolerant fuels that possess a range of property modifications intended to improve fuel performance during accident and transient conditions as well as extend lice…
View article: Ultrahigh temperature in situ transmission electron microscopy based bicrystal coble creep in zirconia I: Nanowire growth and interfacial diffusivity
Ultrahigh temperature in situ transmission electron microscopy based bicrystal coble creep in zirconia I: Nanowire growth and interfacial diffusivity Open
View article: Ultrahigh temperature in situ transmission electron microscopy based bicrystal coble creep in Zirconia II: Interfacial thermodynamics and transport mechanisms
Ultrahigh temperature in situ transmission electron microscopy based bicrystal coble creep in Zirconia II: Interfacial thermodynamics and transport mechanisms Open
View article: UnimolecularPolypeptide Micelles via Ultrafast Polymerizationof N‑Carboxyanhydrides
UnimolecularPolypeptide Micelles via Ultrafast Polymerizationof N‑Carboxyanhydrides Open
Polypeptide micelles\nare widely used as biocompatible nanoplatforms\nbut often suffer from their poor structural stability. Unimolecular\npolypeptide micelles can effectively address the structure instability\nissue, but their synthesis w…
View article: Grain Boundary and Lattice Fracture Toughness of UO2 Measured Using Small-Scale Mechanics
Grain Boundary and Lattice Fracture Toughness of UO2 Measured Using Small-Scale Mechanics Open
View article: In Situ Transmission Electron Microscopy for Ultrahigh Temperature Mechanical Testing of ZrO<sub>2</sub>
In Situ Transmission Electron Microscopy for Ultrahigh Temperature Mechanical Testing of ZrO<sub>2</sub> Open
This work demonstrates a novel approach to ultrahigh-temperature mechanical testing using a combination of in situ nanomechanical testing and localized laser heating. The methodology is applied to characterizing and testing initially nanog…