Visualization of flaws within heavy section ultrasonic test blocks using high energy computed tomography

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Description

The feasibility of high energy computed tomography (9 MeV) to detect volumetric and planar discontinuities in large pressure vessel mock-up blocks was studied. The data supplied by the manufacturer of the test blocks on the intended flaw geometry were compared to manual, contact ultrasonic test and computed tomography test data. Subsequently, a visualization program was used to construct fully three-dimensional morphological information enabling interactive data analysis on the detected flaws. Density isosurfaces show the relative shape and location of the volumetric defects within the mock-up blocks. Such a technique may be used to qualify personnel or newly developed ultrasonic test ... continued below

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6 p.

Creation Information

House, M.B.; Ross, D.M.; Janucik, F.X.; Friedman, W.D. & Yancey, R.N. May 1, 1996.

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  • Knolls Atomic Power Laboratory
    Publisher Info: Knolls Atomic Power Lab., Schenectady, NY (United States)
    Place of Publication: Schenectady, New York

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Description

The feasibility of high energy computed tomography (9 MeV) to detect volumetric and planar discontinuities in large pressure vessel mock-up blocks was studied. The data supplied by the manufacturer of the test blocks on the intended flaw geometry were compared to manual, contact ultrasonic test and computed tomography test data. Subsequently, a visualization program was used to construct fully three-dimensional morphological information enabling interactive data analysis on the detected flaws. Density isosurfaces show the relative shape and location of the volumetric defects within the mock-up blocks. Such a technique may be used to qualify personnel or newly developed ultrasonic test methods without the associated high cost of destructive evaluation. Data is presented showing the capability of the volumetric data analysis program to overlay the computed tomography and destructive evaluation (serial metallography) data for a direct, three-dimensional comparison.

Physical Description

6 p.

Notes

INIS; OSTI as DE99000440

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  • ASNTS industrial computer technology topical conference, Huntsville, AL (United States), 13 May 1996

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  • Other: DE99000440
  • Report No.: KAPL-P--000042
  • Report No.: CONF-9605347--
  • Grant Number: AC12-76SN00052
  • Office of Scientific & Technical Information Report Number: 296771
  • Archival Resource Key: ark:/67531/metadc678968

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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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  • May 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 18, 2016, 2:50 p.m.

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House, M.B.; Ross, D.M.; Janucik, F.X.; Friedman, W.D. & Yancey, R.N. Visualization of flaws within heavy section ultrasonic test blocks using high energy computed tomography, article, May 1, 1996; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc678968/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.