Seal welded cast iron nuclear waste container

Patent · Tue Oct 20 00:00:00 EDT 1987

OSTI ID:5863140

Filippi, A M; Sprecace, R P

An article of manufacture is described comprising a cast iron container having an opening at one end and a cast iron plug; a first nickel-carbon alloy fusion weldable insert surrounding the opening and metallurgically bonded to the cast iron container at the one end of the container; a second nickel-carbon alloy insert metallurgically bonded to the cast iron plug located within the opening and surrounded by the first insert the inserts being jointed by a fusion bond in the opening without heating the cast iron container to an austenite formation temperature thereby sealing the interior of the container from the exterior ambient outside the opening; the nickel-carbon alloy containing about 2 to 5 w% carbon; and both the nickel-carbon alloy insert and the cast iron container have a microstructure containing a graphite phase.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4700863
• OSTI ID: 5863140
• Resource Relation: Patent File Date: Filed date 16 Sep 1986
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
CAST IRON
DIFFUSION WELDING
CONTAINERS
SEALS
RADIOACTIVE WASTE STORAGE
DESIGN
GRAPHITE
MICROSTRUCTURE
NICKEL ALLOYS
RADIOACTIVE WASTES
ALLOYS
CARBIDES
CARBON
CARBON COMPOUNDS
CRYSTAL STRUCTURE
ELEMENTAL MINERALS
ELEMENTS
FABRICATION
IRON ALLOYS
IRON BASE ALLOYS
IRON CARBIDES
IRON COMPOUNDS
JOINING
MANAGEMENT
MATERIALS
MINERALS
NONMETALS
RADIOACTIVE MATERIALS
STORAGE
TRANSITION ELEMENT COMPOUNDS
WASTE MANAGEMENT
WASTE STORAGE
WASTES
WELDING
052002* - Nuclear Fuels- Waste Disposal & Storage
360101 - Metals & Alloys- Preparation & Fabrication