Post-test evaluations of Waste Isolation Pilot Plant-Savannah River simulated defense HLW canisters and waste form

Conference · Tue Dec 31 00:00:00 EST 1991

OSTI ID:10131203

Molecke, M A; Sorensen, N R ^[1]; Harbour, J R; Ferrara, D M ^[2]

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1. Sandia National Labs., Albuquerque, NM (United States)
2. Westinghouse Savannah River Co., Aiken, SC (United States)

Eighteen nonradioactive defense high-level waste (DHLW) canisters were emplaced in and subjected to accelerated overtest thermal conditions at the bedded salt Waste Isolation Pilot Plant (WIPP) facility for about three years. Post-test laboratory results of the corrosion and metallurgical property alterations of several stainless steel 304L waste canisters, cast steel overpacks, and associated instrumentation ranged from negligible to moderate. We found appreciable surface corrosion and corrosion products on the cast steel overpacks. Pieces of both 304L and 316 stainless steel test apparatus underwent extensive stress corrosion cracking failure and nonuniform attack. One of the retrieved test packages contained nonradioactive glass waste form from the Savannah River Site. We conducted posttest analyses of this glass to determine the degree of resultant glass fracturing, and whether any respirable fines were present. Linear glass fracture density ranged from about 1 to 8 fractures intersecting every 5 cm (2 inch) segment of the canister cross-section, diameter line. Glass fines between 1 and 10 microns in diameter were detected, but were not quantified.

• Research Organization: Sandia National Labs., Albuquerque, NM (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC04-76DP00789; AC09-89SR18035
• OSTI ID: 10131203
• Report Number(s): SAND-91-2038C; CONF-930408-22; ON: DE93007611
• Resource Relation: Conference: 10. international high-level radioactive waste management conference,Las Vegas, NV (United States),25-29 Apr 1993; Other Information: PBD: [1991]
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
GLASS
FRACTURES
STAINLESS STEEL-304L
CORROSION
CONTAINERS
BRINES
FLUID FLOW
ALPHA-BEARING WASTES
UNDERGROUND DISPOSAL
WIPP
WASTE FORMS
THERMOCOUPLES
SALT DEPOSITS
DESIGN
THERMODYNAMICS
052002
360105
360203
WASTE DISPOSAL AND STORAGE
CORROSION AND EROSION
MECHANICAL PROPERTIES