Crack detection on HC-130H aircraft using low frequency eddy current

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Description

An eddy current inspection method was developed at the Federal Aviation Administration`s Airworthiness Assurance NDI Validation Center (AANC) to easily and rapidly detect subsurface fatigue cracks in the wheel well fairing on the US Coast Guard (USCG) HC-130H aircraft caused by fatigue. The inspection procedure locates cracks as small as 10.2 millimeters in length at 2.54 mm below the skin surface at raised fastener sites. The test procedure developed baseline three USCG aircraft. Inspection results on the three aircraft reveals good correlation with results made during subsequent structural disassembly.

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6 p.

Creation Information

Moore, D.G.; Mihelic, J.E. & Barnes, J.D. February 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

An eddy current inspection method was developed at the Federal Aviation Administration`s Airworthiness Assurance NDI Validation Center (AANC) to easily and rapidly detect subsurface fatigue cracks in the wheel well fairing on the US Coast Guard (USCG) HC-130H aircraft caused by fatigue. The inspection procedure locates cracks as small as 10.2 millimeters in length at 2.54 mm below the skin surface at raised fastener sites. The test procedure developed baseline three USCG aircraft. Inspection results on the three aircraft reveals good correlation with results made during subsequent structural disassembly.

Physical Description

6 p.

Notes

OSTI as DE98004131

Source

  • Annual American Society for Nondestructive Testing (ASNT) conference, Anaheim, CA (United States), 23 Mar 1998

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Identifier

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  • Other: DE98004131
  • Report No.: SAND--98-0449C
  • Report No.: CONF-980340--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 634112
  • Archival Resource Key: ark:/67531/metadc696106

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • February 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

Description Last Updated

  • May 5, 2016, 8:02 p.m.

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Citations, Rights, Re-Use

Moore, D.G.; Mihelic, J.E. & Barnes, J.D. Crack detection on HC-130H aircraft using low frequency eddy current, article, February 1, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc696106/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.