Kevin Henderson
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View article: The Wormholes Within: A Study of 1, 3, 5-Triamino-2, 4, 6-Trinitrobenzene Crystal Morphology by Micro and Nano-scale X-Ray Computed Tomography
The Wormholes Within: A Study of 1, 3, 5-Triamino-2, 4, 6-Trinitrobenzene Crystal Morphology by Micro and Nano-scale X-Ray Computed Tomography Open
We understand heterogeneous-explosive detonation only to the extent that we can first measure the salient chemical and microstructural features.Barring an inordinate amount of trial and error, we can tailor the detonation properties of our…
View article: The Wormholes Within: A Study of 1, 3, 5‐Triamino‐2, 4, 6‐Trinitrobenzene Crystal Morphology by Micro and Nano‐Scale X‐Ray Computed Tomography and its Effects Upon the Shock Sensitivity of Detonation
The Wormholes Within: A Study of 1, 3, 5‐Triamino‐2, 4, 6‐Trinitrobenzene Crystal Morphology by Micro and Nano‐Scale X‐Ray Computed Tomography and its Effects Upon the Shock Sensitivity of Detonation Open
We understand heterogeneous‐explosive detonation only to the extent that we can first measure the salient chemical and microstructural features. Barring an inordinate amount of trial and error, we can tailor the detonation properties of ou…
View article: Thermal stability of filler‐based ethylene/vinyl acetate/vinyl alcohol terpolymer in nitroplasticizer oxidative environment
Thermal stability of filler‐based ethylene/vinyl acetate/vinyl alcohol terpolymer in nitroplasticizer oxidative environment Open
To study the thermal stability of ethylene/vinyl acetate/vinyl alcohol (EVA‐OH) composite with filler particles, systematic thermogravimetric analysis (TGA) investigation was conducted in both nonisothermal and isothermal modes. The effect…
View article: The rate of development of atomic mixing and temperature equilibration in inertial confinement fusion implosions
The rate of development of atomic mixing and temperature equilibration in inertial confinement fusion implosions Open
The MARBLE project is a novel inertial confinement fusion platform for studying the development of atomic mixing and temperature equilibration in inertial confinement fusion implosions and their impact on thermonuclear burn. Experiments in…
View article: Material Characterization of Hierarchical Tunable Pore Size Polymer Foams Used in the MARBLE Mix Morphology Experiment
Material Characterization of Hierarchical Tunable Pore Size Polymer Foams Used in the MARBLE Mix Morphology Experiment Open
One of the great challenges of inertial confinement fusion and high energy density experiments is understanding the effects of mix on thermonuclear burn. The MARBLE campaign, conceived at Los Alamos National Laboratory, aims to gather new …
View article: Progress of indirect drive inertial confinement fusion in the United States
Progress of indirect drive inertial confinement fusion in the United States Open
Indirect drive converts high power laser light into x-rays using small high- Z cavities called hohlraums. X-rays generated at the hohlraum walls drive a capsule filled with deuterium–tritium (DT) fuel to fusion conditions. Recent experimen…
View article: Combining 3D X-ray Techniques; Computed Tomography and Fluorescence
Combining 3D X-ray Techniques; Computed Tomography and Fluorescence Open
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View article: In situ Imaging of Materials using X-ray Tomography
In situ Imaging of Materials using X-ray Tomography Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the 'Save PDF' action button.
View article: Thermal Contact Conductance Modeling
Thermal Contact Conductance Modeling Open
Elastic, plastic and elastic-plastic thermal conductance models were run for Al-6061 and SS-304, respectively. Thermal conductance models were compared to experimental data of samples being pressed together as a function of contact pressur…
View article: Progress Toward Fabrication of Machined Metal Shells for the First Double-Shell Implosions at the National Ignition Facility
Progress Toward Fabrication of Machined Metal Shells for the First Double-Shell Implosions at the National Ignition Facility Open
The double-shell platform fielded at the National Ignition Facility requires developments in new machining techniques and robotic assembly stations to meet the experimental specifications. Current double-shell target designs use a dense hi…
View article: Lithographic Printing Via Two-Photon Polymerization of Engineered Foams
Lithographic Printing Via Two-Photon Polymerization of Engineered Foams Open
Understanding deuterium-tritium mix in capsules is critical to achieving fusion within inertial confined fusion experiments. One method of understanding how the mix of hydrogen fuels can be controlled is by creating various structured deut…
View article: From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample
From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample Open
We follow an Al-12 at. pct Cu alloy sample from the liquid state to mechanical failure, using in situ X-ray radiography during directional solidification and tensile testing, as well as three-dimensional computed tomography of the microstr…
View article: <i>In situ</i> Mechanical Studies of Plastic Bonded Explosive, Multiscale 3D Imaging and Modeling
<i>In situ</i> Mechanical Studies of Plastic Bonded Explosive, Multiscale 3D Imaging and Modeling Open
Journal Article In situ Mechanical Studies of Plastic Bonded Explosive, Multiscale 3D Imaging and Modeling Get access Brian M Patterson, Brian M Patterson Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamo…
View article: In Situ Imaging during Compression of Plastic Bonded Explosives for Damage Modeling
In Situ Imaging during Compression of Plastic Bonded Explosives for Damage Modeling Open
The microstructure of plastic bonded explosives (PBXs) is known to influence behavior during mechanical deformation, but characterizing the microstructure can be challenging. For example, the explosive crystals and binder in formulations s…
View article: Analysis of Microclad from Several Manufacturing Lots: Summary report
Analysis of Microclad from Several Manufacturing Lots: Summary report Open
The goal of this project is to characterize and document the differences between 4 sets of microclad samples, and provide this information to the detonator Design Agency (Q-6) for the purposes of evaluating “similitude” for stockpile use.
View article: Comparative Assessment of Copper-Coated Kapton: Analysis of Microclad from Several Manufacturing Lots
Comparative Assessment of Copper-Coated Kapton: Analysis of Microclad from Several Manufacturing Lots Open
Microclad is a composite material consisting of a thin copper coating applied on a single side over a Kapton substrate. Kapton is the commercial designator for polyimide supplied by DuPont. Microclad is a key material in detonator manufact…
View article: Learning Team Review 2016-0001: Installing Outlets for Programmatic Equipment
Learning Team Review 2016-0001: Installing Outlets for Programmatic Equipment Open
The purpose of a Learning Team is to transfer and communicate the information into operational feedback and improvement. We want to pay attention to the small things that go wrong because they are often early warning signals and may provid…
View article: Process Development and Micro-Machining of MARBLE Foam-Cored Rexolite Hemi-Shell Ablator Capsules
Process Development and Micro-Machining of MARBLE Foam-Cored Rexolite Hemi-Shell Ablator Capsules Open
For this study, machined CH hemi-shell ablator capsules have been successfully produced by the MST-7 Target Fabrication Team at Los Alamos National Laboratory. Process development and micro-machining techniques have been developed to produ…
View article: From Alloy Processing to Performance: An In Situ Experimental and Modeling Effort
From Alloy Processing to Performance: An In Situ Experimental and Modeling Effort Open
Solidification is present in almost all materials. It is influenced by grain size and shape, chemical homogeneity, defect type and density, and mechanical properties. During micro-mechanical testing, the following occur: 1) Micro-CT (as pr…
View article: Optical Method for Detecting and Analyzing Energetic Particle Radiation
Optical Method for Detecting and Analyzing Energetic Particle Radiation Open
All instrumentation was adapted to current research needs. New devices such as position-sensitive detectors, microprocessors, and magnetic materials were integrated into current designs to obtain maximum spatial, angular and energy resolut…