Boron nitride insulating material

Patent · Wed Nov 24 04:00:00 EST 1976

OSTI ID:5306788

Morgan, Jr, C S; Cavin, O B; McCulloch, R W; Clark, D L

High temperature boron-nitride-insulated heaters for use as fuel pin simulators in reactor thermal hydraulic test facility studies are fabricated by a method of cold pressing boron nitride preforms which are inserted within the heater housing and crushed in place. The heaters may then be deformed to increase the BN density and provide better thermal contact with the heating element and the housing. BN insulation provided by crushing the preforms retains preferred particle orientation and provides higher, more uniform thermal conductivity.

• Assignee: Energy Research and Development Administration
• Patent Number(s): None
• OSTI ID: 5306788
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
220300 -- Nuclear Reactor Technology-- Fuel Elements
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
BORON COMPOUNDS
BORON NITRIDES
COLD PRESSING
FABRICATION
FUEL ELEMENTS
FUEL RODS
HEATERS
MATERIALS WORKING
NITRIDES
NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
PNICTIDES
PRESSING
REACTOR COMPONENTS
SIMULATION
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES