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1977 reinspection of Pilgrim 1 reactor vessel nozzle N2B

Technical Report ·
OSTI ID:5217196
Boston Edison Company provided NRC with the 1976 and 1977 ISI ultrasonic data of nozzle N2B. This data was used to plot the through wall thickness profiles of the 20% DAC values and 50% DAC values of the flaw between 270/sup 0/ to 310/sup 0/ around the N2B nozzle. Conclusions as to flaw growth between the 1976 and 1977 examinations are made from these plots.
Research Organization:
Sandia Labs., Albuquerque, N.Mex. (USA)
DOE Contract Number:
EY-76-C-04-0789
OSTI ID:
5217196
Report Number(s):
SAND-77-1814
Country of Publication:
United States
Language:
English

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21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
ACOUSTIC TESTING
BWR TYPE REACTORS
CONTAINERS
ENRICHED URANIUM REACTORS
MATERIALS TESTING
NONDESTRUCTIVE TESTING
NOZZLES
PILGRIM-1 REACTOR
POWER REACTORS
PRESSURE VESSELS
REACTORS
TESTING
THERMAL REACTORS
ULTRASONIC TESTING
WATER COOLED REACTORS
WATER MODERATED REACTORS