24 research outputs found
Density of Additively-Manufactured, 316L SS Parts Using Laser Powder-Bed Fusion at Powers Up to 400W
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Real-Time Dynamics during Recharging Cycles
This paper describes preliminary results from in situ electrochemical atomic force microscopy (EC AFM) studies and in situ electrochemical small angle x-ray scattering (EC USAXS). Experiments are designed to quantify the morphological evolution during charge and discharge cycles. From the AFM data we measure feature shapes, nucleation density, island distributions and quantify surface roughness using height-height correlation functions. The USAXS scattering data is modeled as a distribution of islands. The goal of our project is to link early time nucleation events with the onset of large-scale instabilities such as dendrites.</jats:p
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Integrated Chamber Design for the Laser Inertial Fusion Energy (LIFE) Engine
The Laser Inertial Fusion Energy (LIFE) concept is being designed to operate as either a pure fusion or hybrid fusion-fission system. A key component of a LIFE engine is the fusion chamber subsystem. The present work details the chamber design for the pure fusion option. The fusion chamber consists of the first wall and blanket. This integrated system must absorb the fusion energy, produce fusion fuel to replace that burned in previous targets, and enable both target and laser beam transport to the ignition point. The chamber system also must mitigate target emissions, including ions, x-rays and neutrons and reset itself to enable operation at 10-15 Hz. Finally, the chamber must offer a high level of availability, which implies both a reasonable lifetime and the ability to rapidly replace damaged components. An integrated LIFE design that meets all of these requirements is described herein
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Chamber Design for the Laser Inertial Fusion Energy (LIFE) Engine
The Laser Inertial Fusion Energy (LIFE) concept is being designed to operate as either a pure fusion or hybrid fusion-fission system. The present work focuses on the pure fusion option. A key component of a LIFE engine is the fusion chamber subsystem. It must absorb the fusion energy, produce fusion fuel to replace that burned in previous targets, and enable both target and laser beam transport to the ignition point. The chamber system also must mitigate target emissions, including ions, x-rays and neutrons and reset itself to enable operation at 10-15 Hz. Finally, the chamber must offer a high level of availability, which implies both a reasonable lifetime and the ability to rapidly replace damaged components. An integrated design that meets all of these requirements is described herein