Three-Dimensional X-Ray Tomography of Industrial Objects with Limited Sizes of the Recording Screen

The possibilities of using a 3D tomograph with a size-limited recording screen for detecting randomly oriented crack-like defects in large industrial facilities have been investigated. Circular and spiral scanning schemes are considered, and the principal possibility of detecting defects in the case...

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Bibliographic Details
Published in:Russian journal of nondestructive testing 2021-09, Vol.57 (9), p.787-795
Main Authors: Karikh, V. P., Pevchenko, B. V., Kurbatov, A. V., Okhotnikov, A. A., Skokov, A. A.
Format: Article
Language:English
Subjects:
Algorithms
Characterization and Evaluation of Materials
Chemistry and Materials Science
Defects
Field of view
Materials Science
Radiation Methods
Recording
Scanning
Structural Materials
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Summary:The possibilities of using a 3D tomograph with a size-limited recording screen for detecting randomly oriented crack-like defects in large industrial facilities have been investigated. Circular and spiral scanning schemes are considered, and the principal possibility of detecting defects in the case of two-pass spiral scanning and a recording screen covering half the field of view of the cross-section of the test object is shown. The performance of the 3D reconstruction algorithm for the selected scanning method has been demonstrated.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830921090059