Light-water-reactor pressure-vessel surveillance dosimetry using solid-state track recorders
Conference
·
OSTI ID:5626776
The accumulation of neutron dose by the pressure vessel of an operating nuclear power plant results in damage in the form of steel embrittlement. In order to ascertain the safe operating lifetime of the reactor pressure vessel, dosimetric measurements must be made to evaluate the neutron dose to the pressure vessel and relate this dose to the cumulative radiation damage. Advanced dosimetry techniques are being evaluated for surveillance of operating reactors. Solid-state track recorder (SSTR) techniques are included among these advanced dosimetry techniques. Described herein are low neutron fluence calibration and standardization measurements that are being carried out in pressure vessel mockup benchmark neutron fields in the USA, Belgium, and England. In addition, high fluence SSTR dosimetry capsules have been irradiated with metallurgical specimens in a pressure vessel mockup facility. The design and deployment of advances SSTR dosimetry capsules in operating power reactors are also described.
- Research Organization:
- Hanford Engineering Development Lab., Richland, WA (USA)
- DOE Contract Number:
- AC06-76FF02170
- OSTI ID:
- 5626776
- Report Number(s):
- HEDL-SA-2860-FP; CONF-830969-7; ON: DE84001476
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
36 MATERIALS SCIENCE
360106 -- Metals & Alloys-- Radiation Effects
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALLOYS
BWR TYPE REACTORS
CONTAINERS
DIELECTRIC TRACK DETECTORS
DOSIMETRY
EMBRITTLEMENT
FRACTURE PROPERTIES
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MEASURING INSTRUMENTS
MECHANICAL PROPERTIES
NEUTRON DOSIMETRY
NEUTRON FLUX
PERFORMANCE
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
PWR TYPE REACTORS
RADIATION DETECTORS
RADIATION EFFECTS
RADIATION FLUX
REACTOR MATERIALS
REACTORS
STEELS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
36 MATERIALS SCIENCE
360106 -- Metals & Alloys-- Radiation Effects
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALLOYS
BWR TYPE REACTORS
CONTAINERS
DIELECTRIC TRACK DETECTORS
DOSIMETRY
EMBRITTLEMENT
FRACTURE PROPERTIES
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MEASURING INSTRUMENTS
MECHANICAL PROPERTIES
NEUTRON DOSIMETRY
NEUTRON FLUX
PERFORMANCE
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
PWR TYPE REACTORS
RADIATION DETECTORS
RADIATION EFFECTS
RADIATION FLUX
REACTOR MATERIALS
REACTORS
STEELS
WATER COOLED REACTORS
WATER MODERATED REACTORS