Rotating electric field sensor for nondestructive evaluation of nonmetallic engineered components

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Description

Improvements in performance of products with nonmetallic engineered materials are obtained at the cost of increased complexity of product design, manufacture, and maintenance. NDE (nondestructive evaluation) techniques have been developed for verifying design models, identifying manufacturing flaws, and assessing service-related damage. This project involved developing a new NDE method that provides additional information; the sensor measures changes in an imposed electric field to obtain electrical impedance images of a component. Effective sensing volume and orientation of imposed electric field may be varied to optimize field interaction with the internal structure of a part. These interactions are combined into multidimensional impedance ... continued below

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14 p.

Creation Information

Novak, J.L. May 1, 1966.

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This report 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 report 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

Improvements in performance of products with nonmetallic engineered materials are obtained at the cost of increased complexity of product design, manufacture, and maintenance. NDE (nondestructive evaluation) techniques have been developed for verifying design models, identifying manufacturing flaws, and assessing service-related damage. This project involved developing a new NDE method that provides additional information; the sensor measures changes in an imposed electric field to obtain electrical impedance images of a component. Effective sensing volume and orientation of imposed electric field may be varied to optimize field interaction with the internal structure of a part. These interactions are combined into multidimensional impedance images that reflect variations in the mechanical geometry and internal structure of a part. Location of an impedance anomaly may be correlated with the location of a flaw.

Physical Description

14 p.

Notes

OSTI as DE96010385

Source

  • Other Information: PBD: May 1966

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  • Other: DE96010385
  • Report No.: SAND--96-1029
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/237330 | External Link
  • Office of Scientific & Technical Information Report Number: 237330
  • Archival Resource Key: ark:/67531/metadc670497

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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

  • May 1, 1966

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

Description Last Updated

  • April 14, 2016, 6:44 p.m.

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Novak, J.L. Rotating electric field sensor for nondestructive evaluation of nonmetallic engineered components, report, May 1, 1966; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc670497/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.