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U.S. Department of Energy
Office of Scientific and Technical Information

ZIRCALOY CLADDING THICKNESS TESTERS

Technical Report ·
OSTI ID:4748517
A number of similar eddy current instruments were developed to measure the thickness of Zircaloy over U metal in the range of 5 to 25 mils, Zircaloy over UO/sub 2/ in the range of 20 to 40 mils, and the wall thickness of Zircaloy tubes in the range of 20 to 40 mils. The instruments were designed for use with hand-held probes or with feeder-mounted probes to measure the inside and outside cladding thickness of tubular elements and the wall thickness of Zircaloy sheaths. The instruments have a sensitivity of 3 microamps per mil change in Zircaloy thickness and an accuracy of plus or minus 1 mil. (auth)
Research Organization:
Du Pont de Nemours (E.I.) & Co. Savannah River Lab., Aiken, S.C.
NSA Number:
NSA-17-006391
OSTI ID:
4748517
Report Number(s):
DP-663
Country of Publication:
United States
Language:
English

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