Abstract
The ultrasonic detection of altered microstructures in metals is a difficult, but necessary task. The detection of hard alpha inclusions in titanium jet engine disks is an important, safety related, example of the need. One proposed tool for detecting such altered microstructures involves analyzing changes in the ultrasonic grain noise; i.e., in the incoherent part of the scattered signal.
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B. A. Auld, “Generalized Electromechanical Reciprocity Relations Applied to the Calculation of Elastic Wave Scattering Coefficients”, Wave Motion, 1, 3 (1979).
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© 1991 Plenum Press, New York
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Rose, J.H. (1991). Ultrasonic Backscattering from Polycrystalline Aggregates using Time-Domain Linear Response Theory. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3742-7_75
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DOI: https://doi.org/10.1007/978-1-4615-3742-7_75
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-6666-9
Online ISBN: 978-1-4615-3742-7
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