Abstract
Ultrasonic flaw sizing is critical in nondestructive evaluation. However, the data available for sizing are often quite limited. For example, it is common to have a single pulse-echo (back scattered) wavetrain of limited bandwidth: i.e. it contains wavelengths that are comparable to and larger than the dimensions of the flaw. On the other hand a fair amount is often known about the nature of the expected range of flaws. It may be known that the flaw is a void, or a crack or an inclusion of a certain material type. In addition the expected shape for a flaw may be known (e.g. the flaw may be known to be a spherical flaw of unknown radius). The problem is then to determine the relevant unknown features of the flaw from the available data.
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© 1989 Springer Science+Business Media New York
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Bond, L.J., Zhang, H., Rose, J.H. (1989). Strong Scatterers and 1-D Born Inversion. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0817-1_16
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DOI: https://doi.org/10.1007/978-1-4613-0817-1_16
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