Jim Kiggans YOU? Author Swipe

Last 10y

Fabrication of fully ceramic microencapsulated compacts for miniature fuel specimen irradiation Open

Rachel Seibert, Joseph A. Burns, Jim Kiggans, Kurt A. Terrani · 2023

Fabric properties and electric efficiency limits of mechanical moisture extraction from fabrics Open

Ayyoub M. Momen, Viral Patel, Kyle Gluesenkamp, Donald Erdman, Jim Kiggans , et al. · 2021

Residential clothes drying consume about 650 TBtu of primary energy per year in the United States, equivalent to 3% of primary residential energy consumption. There is a strong impetus to reduce the energy consumption of clothes dryers by …

Effect of Composition on the Phase Structure and Magnetic Properties of Ball-Milled LaFe11.71-xMnxSi1.29H1.6 Magnetocaloric Powders Open

Jamieson Brechtl, Michael Köehler, Michael S. Kesler, Hunter B. Henderson, Alexander A. Baker , et al. · 2021

Magnetocaloric alloys are an important class of materials that enable non-vapor compression cycles. One promising candidate for magnetocaloric systems is LaFeMnSi, thanks to a combination of factors including low-cost constituents and a us…

Characterization of high thermal conductivity fuel surrogates before and after ion irradiation Open

Adrien J. Terricabras, Jim Kiggans, Ling Wang, S.J. Zinkle · 2021

Processing of complex-shaped collimators made via binder jet additive manufacturing of B4C and pressureless melt infiltration of Al Open

Corson L. Cramer, Amy Elliott, Jim Kiggans, Bianca Haberl, David Anderson · 2019

A 6 MW/m2 High Heat Flux Testing Facility of Irradiated Materials Using Infrared Plasma-Arc Lamps Open

Adrian S. Sabau, Kazutoshi Tokunaga, Michael G. Littleton, Jim Kiggans, C.R. Schaich , et al. · 2019

Assessing the effect of neutron irradiation of plasma-facing materials has been challenging due to both the technical and radiological challenges involved. In an effort to address the radiological challenges, a facility was developed to co…

Documentation Package Supporting Fabrication of Doped UO2 Samples for MiniFuel Irradiation and Fission Gas Release Benchmarking Open

Sarah Finkeldei, Rodney D. Hunt, Jim Kiggans, Christopher Hobbs, Brian Eckhart · 2019

The Oak Ridge National Laboratory (ORNL) is looking into the fabrication of high performance UO₂ fuel candidates via the addition of dopants to the UO₂. The addition of dopants is proposed to cause enlarged grains tha…

Fabrication of UO2-Mo composite fuel with enhanced thermal conductivity from sol-gel feedstock Open

Sarah Finkeldei, Jim Kiggans, Rodney D. Hunt, Andrew Nelson, Kurt A. Terrani · 2019

Fabrication and Irradiation Test Plan for Fully Ceramic Microencapsulated Fuels Open

Rachel Seibert, Kurt A. Terrani, Jim Kiggans, Jake Mcmurray, Brian Jolly , et al. · 2019

The objective of this work is to irradiate fully ceramic microencapsulated (FCM) fuel in the High Flux Isotope Reactor (HFIR) to (1) facilitate irradiation of novel fuel concepts and (2) validate potential fuel performance. The FCM fuel us…

Synthesis and Characterization of UO2 Feedstocks containing Controlled Dopants Open

Sarah Finkeldei, Rodney D. Hunt, Jim Kiggans, Christopher Hobbs, Brian Eckhart , et al. · 2019

Within the Advanced Fuels Campaign, the Oak Ridge National Laboratory is looking into the fabrication of high-performance UO₂ fuel candidates. The aim of this study was to develop a suitable fabrication avenue to synthesize UO

Fabrication and microstructural analysis of ceramic fuel derived from sol-gel and powder routes Open

Sarah Finkeldei, Jim Kiggans, Rodney D. Hunt, Kurt A. Terrani, Andrew Nelson · 2018

Within the Advanced Fuels Campaign the Oak Ridge National Laboratory is looking into the fabrication of enhanced UO₂ fuel candidates. Early in FY18 an open-port glove box line was set up enabling the fabrication and initial char…

Surface morphology of Tungsten-F82H after high-heat flux testing using plasma-arc lamps Open

Kenzo Ibano, Adrian S. Sabau, K. Tokunaga, M. M. Akiyoshi, Jim Kiggans , et al. · 2018

F82H reduced activation steel coated with vacuum plasma sprayed (VPS) tungsten is a candidate as a plasma facing material for main chamber components in future fusion reactors. Due to different coefficients of thermal expansion (CTE), sign…

Production of near‐full density uranium nitride microspheres with a hot isostatic press Open

Jake Mcmurray, Jim Kiggans, Grant Helmreich, Kurt A. Terrani · 2018

Depleted uranium nitride (UN) kernels with diameters ranging from 420 to 858 microns and theoretical densities (TD) between 87 and 91 percent were postprocessed using a hot isostatic press (HIP) in an argon gas media. This treatment was sh…

Examination of HIP for production of high density UN kernels Open

Jake Mcmurray, Jim Kiggans, Kurt A. Terrani · 2017

Depleted uranium nitride (UN) kernels with diameters ranging from 420 to 858 microns and theoretical densities between 87 and 91 percent were post-processed using hot isostatic pressing (HIP) in argon gas. This treatment was shown to incre…

Irradiation resistance of silicon carbide joint at light water reactor–relevant temperature Open

Takaaki Koyanagi, Yutai Katoh, Jim Kiggans, Tatsuya Hinoki, H. Ezzat Khalifa , et al. · 2017

UN TRISO Compaction in SiC for FCM Fuel Irradiations Open

Kurt A. Terrani, Michael Trammell, Jim Kiggans, Brian Jolly, Darren Skitt · 2016

The U.S. Department of Energy Office of Nuclear Energy (DOE-NE) Advanced Fuels Campaign (AFC) is conducting research and development to elevate the technology readiness level of Fully Ceramic Microencapsulated (FCM) fuels, a candidate nucl…

Hydrothermal corrosion of silicon carbide joints without radiation Open

Takaaki Koyanagi, Yutai Katoh, Kurt A. Terrani, Young‐Jin Kim, Jim Kiggans , et al. · 2016

M3FT-16OR020202112 - Report on viability of hydrothermal corrosion resistant SiC/SiC Joint development Open

Yutai Katoh, Takaaki Koyanagi, Jim Kiggans, Kurt A. Terrani · 2016

Hydrothermal corrosion of four types of the silicon carbide (SiC) to SiC plate joints were investigated under PWR and BWR relevant chemical conditions without irradiation. The joints were formed by metal diffusion bonding using molybdenum …

Design and Demonstration of a Material-Plasma Exposure Target Station for Neutron Irradiated Samples Open

J. Rapp, Adam M. Aaron, G. L. Bell, T. Burgess, R. Ellis , et al. · 2015

Fusion energy is the most promising energy source for the future, and one of the most important problems to be solved progressing to a commercial fusion reactor is the identification of plasma-facing materials compatible with the extreme c…

Development of Thermoelectric Fibers for Miniature Thermoelectric Devices Open

Fei Ren, Paul A. Menchhofer, Jim Kiggans, Hsin Wang · 2015

Powder Metallurgy Fabrication of Molybdenum Accelerator Target Disks Open

R.A. Lowden, Jim Kiggans, Stephen D. Nunn, Randy J. Parten · 2015

Powder metallurgy approaches for the fabrication of accelerator target disks are being examined to support the development of Mo-99 production by NorthStar Medical Technologies, LLC. An advantage of powder metallurgy is that very little ma…

Demonstration of Advanced Manufacturing Techniques for Production of Nuclear Core Structures: Ultrasonic Additive Manufacturing of Hybrid Structures Resembling HFIR Control Plates Open

Kurt A. Terrani, S. S. Babu, Chris Bryan, Jim Kiggans, Daniel Lane Pinkston , et al. · 2015