WESF cesium capsule behavior at high temperature or during thermal cycling
Description
Double-walled stainless steel (SS) capsules prepared for storage of radioactive /sup 137/Cs from defense waste are now being considered for use as sources for commercial irradiation. Cesium was recovered at B-plant from the high-level radioactive waste generated during processing of defense nuclear fuel. It was then purified, converted to the chloride form, and encapsulated at the Hanford Waste Encapsulation and Storage Facility (WESF). The molten cesium chloride salt was encapsulated by pouring it into the inner of two concentric SS cylinders. Each cylinder was fitted with a SS end cap that was welded in place by inert gas-tungsten arc welding. … continued below
Creation Information
Tingey, G. L.; Gray, W. J.; Shippell, R. J. & Katayama, Y. B. June 1, 1985.
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Pacific Northwest Laboratory
Publisher Info: Pacific Northwest Labs., Richland, WA (USA)Place of Publication: Richland, Washington
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Description
Double-walled stainless steel (SS) capsules prepared for storage of radioactive /sup 137/Cs from defense waste are now being considered for use as sources for commercial irradiation. Cesium was recovered at B-plant from the high-level radioactive waste generated during processing of defense nuclear fuel. It was then purified, converted to the chloride form, and encapsulated at the Hanford Waste Encapsulation and Storage Facility (WESF). The molten cesium chloride salt was encapsulated by pouring it into the inner of two concentric SS cylinders. Each cylinder was fitted with a SS end cap that was welded in place by inert gas-tungsten arc welding. The capsule configuration and dimensions are shown in Figure 1. In a recent review of the safety of these capsules, Tingey, Wheelwright, and Lytle (1984) indicated that experimental studies were continuing to produce long-term corrosion data, to reaffirm capsule integrity during a 90-min fire where capsule temperatures reached 800/sup 0/C, to monitor mechanical properties as a function of time, and to assess the effects of thermal cycling due to periodic transfer of the capsules from a water storage pool to the air environment of an irradiator facility. This report covers results from tests that simulated the effects of the 90-min fire and from thermal cycling actual WESF cesium capsules for 3845 cycles over a period of six months. 11 refs., 39 figs., 9 tabs.
Notes
NTIS, PC A05/MF A01.
Subjects
Keywords
- Alkali Metal Compounds
- Alkali Metal Isotopes
- Alloys
- Beta Decay Radioisotopes
- Beta-Minus Decay Radioisotopes
- Cesium 137
- Cesium Chlorides
- Cesium Compounds
- Cesium Isotopes
- Chemical Reactions
- Chlorides
- Chlorine Compounds
- Chromium Alloys
- Corrosion
- Corrosion Resistant Alloys
- Data
- Density
- Encapsulation
- Expansion
- Experimental Data
- Fires
- Gamma Sources
- Halides
- Halogen Compounds
- Heat Treatments
- Information
- Iron Alloys
- Iron Base Alloys
- Irradiation Devices
- Isotopes
- Mechanical Properties
- Nuclei
- Numerical Data
- Odd-Even Nuclei
- Physical Properties
- Radiation Sources
- Radioisotopes
- Safety
- Simulation
- Specific Heat
- Stainless Steel-316L
- Stainless Steels
- Steels
- Temperature Effects
- Thermal Conductivity
- Thermal Expansion
- Thermodynamic Properties
- Very High Temperature
- Years Living Radioisotopes 070204* -- Radiation Sources-- Industrial Uses, Radiometric
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- Other: DE85014894
- Report No.: PNL-5517
- Grant Number: AC06-76RL01830
- Digital Object Identifier: https://doi.org/10.2172/5575248
- Office of Scientific & Technical Information Report Number: 5575248
- Archival Resource Key: ark:/67531/metadc1085099
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Creation Date
- June 1, 1985
Added to The UNT Digital Library
- Feb. 10, 2018, 10:06 p.m.
Description Last Updated
- Aug. 5, 2020, 7:44 p.m.
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Tingey, G. L.; Gray, W. J.; Shippell, R. J. & Katayama, Y. B. WESF cesium capsule behavior at high temperature or during thermal cycling, report, June 1, 1985; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1085099/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.