Irradiation and testing of compact ignition tokamak toroidal field coil insulation materials
This report documents the results of an irradiation and testing program performed on behalf of Martin Marietta Energy Systems, Inc. in support of the Compact Ignition Tokamak Research and Development program. The purpose of the irradiation and testing program was to determine the effects of neutron and gamma irradiation on the mechanical and electrical properties of candidate toroidal field coil insulation materials. Insulation samples were irradiated in the Advanced Test Reactor (ATR) in a large I-hole. The insulation samples were irradiated within a lead shield to reduce exposure to gamma radiation to better approximate the desired ration of neutron to gamma exposure. Two different exposure levels were specified for the insulation samples. To accomplish this, the samples were encapsulated in two separate aluminum capsules; the capsules positioned at the ATR core mid-plane and at the top of the fueled region to take advantage of the axial cosine distribution of the neutron and gamma flux; and by varying the length of irradiation time of the two capsules. Disassembly of the irradiated capsules and testing of the insulation samples were performed at the Test Reactor Area (TRA) Hot Cell Facilities. Testing of the samples included shear compression static, shear compression fatigue, flexure static, and electrical resistance measurements.
- Research Organization:
- EG and G Idaho, Inc., Idaho Falls, ID (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC07-76ID01570
- OSTI ID:
- 6687514
- Report Number(s):
- EGG-PRP-9058; ON: DE90015422; TRN: 90-025357
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
ELECTRICAL INSULATION
PHYSICAL RADIATION EFFECTS
COMPACT IGNITION TOKAMAK
COMPRESSION STRENGTH
DAMAGING NEUTRON FLUENCE
FATIGUE
GAMMA RADIATION
MAGNET COILS
MATERIALS TESTING
SHEAR
CLOSED PLASMA DEVICES
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTROMAGNETIC RADIATION
EQUIPMENT
IONIZING RADIATIONS
MECHANICAL PROPERTIES
NEUTRON FLUENCE
RADIATION EFFECTS
RADIATIONS
TESTING
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTORS
TOKAMAK DEVICES
TOKAMAK TYPE REACTORS
700209* - Fusion Power Plant Technology- Component Development & Materials Testing
360605 - Materials- Radiation Effects