Radioactive material package seal tests
General design or test performance requirements for radioactive materials (RAM) packages are specified in Title 10 of the US Code of Federal Regulations Part 71 (US Nuclear Regulatory Commission, 1983). The requirements for Type B packages provide a broad range of environments under which the system must contain the RAM without posing a threat to health or property. Seals that provide the containment system interface between the packaging body and the closure must function in both high- and low-temperature environments under dynamic and static conditions. A seal technology program, jointly funded by the US Department of Energy Office of Environmental Restoration and Waste Management (EM) and the Office of Civilian Radioactive Waste Management (OCRWM), was initiated at Sandia National Laboratories. Experiments were performed in this program to characterize the behavior of several static seal materials at low temperatures. Helium leak tests on face seals were used to compare the materials. Materials tested include butyl, neoprene, ethylene propylene, fluorosilicone, silicone, Eypel, Kalrez, Teflon, fluorocarbon, and Teflon/silicone composites. Because most elastomer O-ring applications are for hydraulic systems, manufacturer low-temperature ratings are based on methods that simulate this use. The seal materials tested in this program with a fixture similar to a RAM cask closure, with the exception of silicone S613-60, are not leak tight (1.0 {times} 10{sup {minus}7} std cm{sup 3}/s) at manufacturer low-temperature ratings. 8 refs., 3 figs., 1 tab.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5993384
- Report Number(s):
- SAND-90-1742C; CONF-910577-1; ON: DE91005865; TRN: 91-008175
- Resource Relation:
- Conference: 2. international conference on transportation for the nuclear industry, Bournemouth (UK), 8-10 May 1991
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
CONTAINERS
SEALS
NUCLEAR FACILITIES
REMEDIAL ACTION
RADIOACTIVE MATERIALS
PACKAGING
TRANSPORT
PERFORMANCE TESTING
COMPOSITE MATERIALS
CONTAINMENT
DESIGN
DYNAMIC LOADS
ELASTOMERS
ETHYLENE PROPYLENE DIENE POLYMERS
HELIUM
LEAK TESTING
NEOPRENE
RAIL TRANSPORT
REGULATIONS
ROAD TRANSPORT
SAFETY
SANDIA LABORATORIES
SILICONES
STATIC LOADS
TEFLON
TEMPERATURE DEPENDENCE
US DOE
US NRC
WASTE TRANSPORTATION
ELEMENTS
FLUIDS
FLUORINATED ALIPHATIC HYDROCARBONS
GASES
HALOGENATED ALIPHATIC HYDROCARBONS
LAND TRANSPORT
MANAGEMENT
MATERIALS
NATIONAL ORGANIZATIONS
NONMETALS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
ORGANIC SILICON COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLY
POLYETHYLENES
POLYMERS
POLYTETRAFLUOROETHYLENE
RARE GASES
SILOXANES
SYNTHETIC MATERIALS
TESTING
US AEC
US ERDA
US ORGANIZATIONS
WASTE MANAGEMENT
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054000 - Nuclear Fuels- Health & Safety