NDE of Advanced Turbine Engine Components and Materials by Computed Tomography PUBLIC ACCESS

[+] Author Affiliations
R. N. Yancey

Advanced Research and Applications Corporation, Fairborn, OH

George Y. Baaklini, Stanley J. Klima

NASA Lewis Research Center, Cleveland, OH

Paper No. 91-GT-287, pp. V005T13A016; 4 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7902-3
  • Copyright © 1991 by ASME


Computed tomography (CT) is an X-ray technique that provides quantitative 3-D density information of materials and components and can accurately detail spatial distributions of cracks, voids, and density variations. CT scans of ceramic materials, composites, and engine components were taken and the resulting images will be discussed. Scans were taken with two CT systems with different spatial resolution capabilities. The scans showed internal damage, density variations, and geometrical arrangement of various features in the materials and components. It was concluded that CT can play an important role in the characterization of advanced turbine engine materials and components. Future applications of this technology will be outlined.

Copyright © 1991 by ASME
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