Automatic System for Measuring the Zirconium Liner and Zircaloy-2 Thickness of Zirconium Liner Tubes

M Honji; Y Morimoto; S Hyodo; T Sakamoto

doi:10.1520/STP18877S

SYMPOSIA PAPER Published: 01 January 1989

STP18877S

Automatic System for Measuring the Zirconium Liner and Zircaloy-2 Thickness of Zirconium Liner Tubes

Source

An automatic system to measure the zirconium liner thickness and Zircaloy-2 thickness of Zircaloy tubes with a zirconium liner for nuclear reactors has been developed. This system uses an electromagnetic probe connected to a data processing unit for measuring the liner thickness, an ultrasonic inspection system for measuring the wall-thickness, and a computer for calculating the Zircaloy-2 thickness from the liner thickness and wall-thickness. Fully automatic measurements on zirconium liner thickness and Zircaloy-2 thickness are performed with high accuracy to an order of 2μm. This newly developed system is very useful in assuring the liner layer and Zircaloy-2 thickness in the production of high-quality cladding tubes.

Author Information

Honji, M

Steel Tube Works, Sumitomo, Metal Industries, Ltd., Amagasaki, Japan

Sakamoto, T

Sumitomo Metal Industries, Ltd., Amagasaki, Japan

Morimoto, Y

Steel Tube Works, Sumitomo, Metal Industries, Ltd., Amagasaki, Japan

Hyodo, S

Steel Tube Works, Sumitomo, Metal Industries, Ltd., Amagasaki, Japan

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Details

Developed by Committee: B10

Pages: 392–402

DOI: 10.1520/STP18877S

ISBN-EB: 978-0-8031-5084-3

ISBN-13: 978-0-8031-1199-8

Automatic System for Measuring the Zirconium Liner and Zircaloy-2 Thickness of Zirconium Liner Tubes

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