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Proceedings Paper

Underwater x-ray tomography of composite sonar domes via collimated backscatter imaging
Author(s): Edward C. Greenawald; Chester F. Poranski; Leroy J. Levenberry; Edgar T. Bellinger
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Paper Abstract

The Naval Research Laboratory has developed a novel one-sided NDE system for inspecting steel reinforced rubber sonar domes without drydocking. The submersible x-ray system scans the dome through an aluminum window in contact with its surface and uses collimated backscatter imaging to create tomographs of the dome structure. In this paper we discuss backscatter imaging, describe the system, and present results from in-situ inspections of sonar domes on several frigates.

Paper Details

Date Published: 31 March 1998
PDF: 8 pages
Proc. SPIE 3396, Nondestructive Evaluation of Materials and Composites II, (31 March 1998); doi: 10.1117/12.301510
Show Author Affiliations
Edward C. Greenawald, Geo-Centers, Inc. (United States)
Chester F. Poranski, Naval Research Lab. (United States)
Leroy J. Levenberry, Geo-Centers, Inc. (United States)
Edgar T. Bellinger, Geo-Centers, Inc. (United States)

Published in SPIE Proceedings Vol. 3396:
Nondestructive Evaluation of Materials and Composites II
Steven R. Doctor; Carol A. Nove; George Y. Baaklini, Editor(s)

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