Storage of LWR (light-water-reactor) spent fuel in air
Storage of LWR (light-water-reactor) spent fuel in air
An experimental program is being conducted at Pacific Northwest Laboratory (PNL) to determine the oxidation response of light-water-reactor (LWR) spent fuels under conditions appropriate to fuel storage in air. The program is designed to investigate several independent variables that might affect the oxidation behavior of spent fuel. Included are temperature (135 to 230{degree}C), fuel burnup (to about 34 MWd/kgM), reactor type (pressurized and boiling water reactors), moisture level in the air, and the presence of a high gamma field. In continuing tests with declad spent fuel and nonirradiated UO{sub 2} specimens, oxidation rates were monitored by weight-gain measurements and the microstructures of subsamples taken during the weighing intervals were characterized by several analytical methods. The oxidation behavior indicated by weight gain and time to form powder will be reported in Volume III of this series. The characterization results obtained from x-ray diffractometry, transmission electron microscopy, scanning electron microscopy, and Auger electron spectrometry of oxidized fuel samples are presented in this report. 28 refs., 21 figs., 3 tabs.
- University of North Texas United States
- Pacific Northwest National Laboratory United States
Grain Boundaries, Testing, Boiling Water Cooled, Nonbreeding, Nonboiling Water Cooled, Storage, 21 Specific Nuclear Reactors And Associated Plants, Materials Testing, Electron Microscopy, Water Moderated Reactors 052002* -- Nuclear Fuels-- Waste Disposal & Storage, 12 Management Of Radioactive And Non-Radioactive Wastes From Nuclear Facilities, Sampling, Microstructure, Materials, Spectroscopy, Microscopy, Fluids, Air, Chemical Reactions, Pwr Type Reactors, Crystal Structure, Bubbles, Gases, Reactor Materials, 210100 -- Power Reactors, 360103 -- Metals & Alloys-- Mechanical Properties, Fuels, Crystals, X-Ray Dosimetry, Temperature Effects, Structural Models, Fragmentation, Dosimetry, Oxidation, Nuclear Fuels, Light-Water Moderated, Spent Fuels, Spent Fuel Storage, 36 Materials Science, Gamma Spectroscopy, Humidity, Bwr Type Reactors, Reactors, Weight, Irradiation, 210200 -- Power Reactors, Water Cooled Reactors, Energy Sources
Grain Boundaries, Testing, Boiling Water Cooled, Nonbreeding, Nonboiling Water Cooled, Storage, 21 Specific Nuclear Reactors And Associated Plants, Materials Testing, Electron Microscopy, Water Moderated Reactors 052002* -- Nuclear Fuels-- Waste Disposal & Storage, 12 Management Of Radioactive And Non-Radioactive Wastes From Nuclear Facilities, Sampling, Microstructure, Materials, Spectroscopy, Microscopy, Fluids, Air, Chemical Reactions, Pwr Type Reactors, Crystal Structure, Bubbles, Gases, Reactor Materials, 210100 -- Power Reactors, 360103 -- Metals & Alloys-- Mechanical Properties, Fuels, Crystals, X-Ray Dosimetry, Temperature Effects, Structural Models, Fragmentation, Dosimetry, Oxidation, Nuclear Fuels, Light-Water Moderated, Spent Fuels, Spent Fuel Storage, 36 Materials Science, Gamma Spectroscopy, Humidity, Bwr Type Reactors, Reactors, Weight, Irradiation, 210200 -- Power Reactors, Water Cooled Reactors, Energy Sources
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