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Acoustical Holography
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English
Abstract
Acoustical holography is a real-time nondestructive testing technique which produces a visual image of the internal structure of the part being examined. This technique uses ultrasound to visually detect the presence of any anomalous condition in the material under test. Since the visual image presented shows the position and orientation of all flaws, the integrity of the material is immediately determined. The detection of cracks, voids, nonbonds, and other anomalous conditions interior to metals, ceramics, and plastics can be carried out on a high-volume, production-line basis. Various applications to the automotive industry are discussed.
Authors
Citation
Neeley, V., "Acoustical Holography," SAE Technical Paper 720173, 1972, https://doi.org/10.4271/720173.Also In
References
- Brenden B. B. “A Comparison of Acoustical Holography Methods.” Metherell et al. “Acoustical Holography,” I New York Plenum Press 1969
- Brenden B. B. “Acoustical Holography as a Tool for Nondestructive Testing.” 28th National Fall Conference of American Society for Nondestructive Testing Detroit October 1968
- Hildebrand B. P. Haines K. A. “Holography by Scanning.” J. Opt. Soc. Am. September 1968
- Smith R. B. “Refinements and Variations in Liquid Surface and Scanned Ultrasound Holography.” IEEE Symposium Sonics Ultrasonics New York September 1968