Underwater x-ray tomography of composite sonar domes via collimated backscatter imaging

Edward C. Greenawald; Chester F. Poranski Jr.; Leroy J. Levenberry; Edgar T. Bellinger Jr.

doi:10.1117/12.301510

31 March 1998 Underwater x-ray tomography of composite sonar domes via collimated backscatter imaging

Edward C. Greenawald, Chester F. Poranski Jr., Leroy J. Levenberry, Edgar T. Bellinger Jr.

Proceedings Volume 3396, Nondestructive Evaluation of Materials and Composites II; (1998) https://doi.org/10.1117/12.301510
Event: Non-Destructive Evaluation Techniques for Aging Infrastructure and Manufacturing, 1998, San Antonio, TX, United States

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.

Citation Download Citation

Edward C. Greenawald, Chester F. Poranski Jr., Leroy J. Levenberry, and Edgar T. Bellinger Jr. "Underwater x-ray tomography of composite sonar domes via collimated backscatter imaging", Proc. SPIE 3396, Nondestructive Evaluation of Materials and Composites II, (31 March 1998); https://doi.org/10.1117/12.301510

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