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The Hot Fuel Examination Facility (HFEF) is Idaho National Laboratory's flagship facility for conducting post-irradiation examinations of fuels and materials. HFEF, located at the Materials and Fuels Complex, is a national research asset with the largest inert atmosphere hot cell dedicated to nuclear materials research in the U.S.
HFEF provides the ability to remotely handle and perform detailed nondestructive and destructive examination of highly irradiated fuel and material samples. Its argon-atmosphere hot cell, labs and special equipment handle a variety of fuel forms, including tiny particles, four-foot research reactor plates and full-sized commercial rods. HFEF supports INL's mission of research and development of safer and more efficient fuel designs.
HFEF has two large, shielded hot cells. The main cell, which is 70 by 30 feet, is stainless steel-lined. It's fitted with two 5-ton cranes and 15 workstations, each with a 4-foot-thick window of oil-filled glass and a pair of remote manipulators. The second hot cell is an air cell used to decontaminate materials and equipment.
Laser puncture and gas collection with the gas assay sample and recharge (GASR) from fuel samples helps researchers gain needed information on fission gas and helium release.
Precision gamma scanning (PGS) allows scientists to precisely determine the location of radioactive elements in fuel and material samples.
The fuel accident condition simulator (FACS) furnace enables fuel and material sample testing under worst-case scenarios involving temperatures of up to 2,000 C for extended periods. This allows scientists to understand performance and improve the safety of fuel designs.
The Neutron Radiography Reactor is a 250 kW steady state Training Research Isotopes General Atomics (TRIGA) reactor co-located within and adjacent to HFEF. It is equipped with two separate radiography stations for neutron radiography of fuel and materials.
Fuel refabrication for testing in the Transient Reactor Test (TREAT) facility.
The Hot Fuel Examination Facility (HFEF) is a multi-program hot cell facility. There are two adjacent shielded hot cells (the main cell and decontamination cell), a shielded metallography box, an unshielded hot repair area, and a waste-characterization area. HFEF provides shielding and containment for remote examination, processing, and handling of highly radioactive and TRU-bearing materials in its argon-atmosphere hot cells, unshielded labs, support areas and special equipment for handling, examining, and testing of highly radioactive materials.
Nondestructive and destructive post-irradiation examination of irradiated samples in two large, heavily shielded hot cells.
Mechanical testing of irradiated fuels and materials
Bench-scale electrochemical separations research.
Precision milling, welding, and machining.
Handling and loading facilities capable of receiving large shipping casks and fuel assemblies up to 13 feet long.
Furnaces for simulating accident conditions at temperatures up to 2,000 C for extended periods.