Location

Williamsburg, VA

Start Date

1-1-1986 12:00 AM

Description

In [1] we developed an eddy-current model and inversion algorithm for three-dimensional flaw reconstruction, and applied it to the problem of reconstructing anomalies in tubes made of nonmagnetic, conventional metals, such as stainless-steel. The extension to ferromagnetic metals is presented in [2]. The algorithm required that the perturbed magnetic induction field be sensed over a two-dimensional surface, at a number of different frequencies, thereby allowing one to infer depth information about the anomaly, as well as lateral information.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

5A

Chapter

Chapter 2: Inversion, Imaging and Reconstruction

Section

Inversion

Pages

409-415

DOI

10.1007/978-1-4615-7763-8_42

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

A Multifrequency Algorithm for Inverting Eddy-Current Data and Reconstructing Three-Dimensional Anomalies in Graphite-Epoxy

Williamsburg, VA

In [1] we developed an eddy-current model and inversion algorithm for three-dimensional flaw reconstruction, and applied it to the problem of reconstructing anomalies in tubes made of nonmagnetic, conventional metals, such as stainless-steel. The extension to ferromagnetic metals is presented in [2]. The algorithm required that the perturbed magnetic induction field be sensed over a two-dimensional surface, at a number of different frequencies, thereby allowing one to infer depth information about the anomaly, as well as lateral information.