Inspection system for Zircaloy clad fuel rods

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Description

A description is presented of the design, development, and performance of a remote scanning system for nondestructive examination of fuel rods. Characteristics that are examined include microcracking of fuel rod cladding, fuel-cladding interaction, cladding thickness, fuel rod diameter variation, and fuel rod bowing. Microcracking of both the inner and outer fuel rod surfaces and variations in wall thickness are detected by using a pulsed eddy current technique developed by Argonne National Laboratory (ANL). Fuel rod diameter variation and fuel rod bowing are detected by using two linear variable differential transformers (LVDTs) and a signal conditioning system. The system's mechanical features ... continued below

Physical Description

Pages: 49

Creation Information

Yancey, M.E.; Porter, E.H. & Hansen, H.R. October 1, 1975.

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  • Aerojet Nuclear Company
    Publisher Info: Aerojet Nuclear Co., Idaho Falls, Idaho (USA)
    Place of Publication: Idaho Falls, Idaho

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Description

A description is presented of the design, development, and performance of a remote scanning system for nondestructive examination of fuel rods. Characteristics that are examined include microcracking of fuel rod cladding, fuel-cladding interaction, cladding thickness, fuel rod diameter variation, and fuel rod bowing. Microcracking of both the inner and outer fuel rod surfaces and variations in wall thickness are detected by using a pulsed eddy current technique developed by Argonne National Laboratory (ANL). Fuel rod diameter variation and fuel rod bowing are detected by using two linear variable differential transformers (LVDTs) and a signal conditioning system. The system's mechanical features include variable scanning speeds, a precision indexing system, and a servomechanism to maintain proper probe alignment. Initial results indicate that the system is a very useful mechanism for characterizing irradiated fuel rods. (auth)

Physical Description

Pages: 49

Notes

Dep. NTIS

Source

  • Other Information: Orig. Receipt Date: 30-JUN-76

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Identifier

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  • Report No.: ANCR--1259
  • Grant Number: E(10-1)-1375
  • DOI: 10.2172/4130812 | External Link
  • Office of Scientific & Technical Information Report Number: 4130812
  • Archival Resource Key: ark:/67531/metadc871233

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • October 1, 1975

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

Description Last Updated

  • Oct. 26, 2017, 3:23 p.m.

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Yancey, M.E.; Porter, E.H. & Hansen, H.R. Inspection system for Zircaloy clad fuel rods, report, October 1, 1975; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc871233/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.