Schedule

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1986
Wednesday, January 1st
12:00 AM

3-D X-Ray Computed Tomography

Section: Imaging and Reconstruction

L. A. Feldkamp, Ford Motor Company
G. Jesion, Ford Motor Company

Williamsburg, VA

12:00 AM

3-Dimensional Flaw Characterization Through 2-Dimensional Image Reconstructions

Section: Imaging and Reconstruction

K. C. Tam, General Electric

Williamsburg, VA

12:00 AM

A Discussion of the Inverse Problem in Electromagnetic NDT

Section: Inversion

L. Udpa, Colorado State University
W. Lord, Colorado State University

Williamsburg, VA

12:00 AM

A Flaw Sizing Method Using the Zeroes in the Ultrasonic Scattering Amplitude

Section: Inversion

David K. Hsu, Iowa State University
Vladimir G. Kogan, Iowa State University
James H. Rose, Iowa State University
Donald O. Thompson, Iowa State University
Samuel J. Wormley, Iowa State University

Williamsburg, VA

12:00 AM

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

Section: Inversion

Harold A. Sabbagh, Sabbagh Associates, Inc.
L. David Sabbagh, Sabbagh Associates, Inc.
Thomas M. Roberts, Indiana University

Williamsburg, VA

12:00 AM

A Perturbation Method for Inverse Scattering in Three-Dimensions Based on the Exact Inverse Scattering Equations

Section: Inversion

Brian DeFacio, University of Missouri
James H. Rose, Iowa State University

Williamsburg, VA

12:00 AM

Contrast Mechanisms in the Thermoacoustic Microscope

Section: Imaging and Reconstruction

L. D. Favro, Wayne State University
P. K. Kuo, Wayne State University
R. L. Thomas, Wayne State University

Williamsburg, VA

12:00 AM

Deep Thermoacoustic Imaging Using Scanning Electron Acoustic Microscopy

Section: Imaging and Reconstruction

H. I. Ringermacher, United Technologies Corporation
L. Jackman, United Technologies Corporation

Williamsburg, VA

12:00 AM

Deterministic Source Inversion for Wave Propagation Problems in Nondestructive Testing

Section: Inversion

Jennifer E. Michaels, Cornell University

Williamsburg, VA

12:00 AM

Fundamental Limitations in Inverse Source and Scattering Problems in NDE

Section: Inversion

Anthony J. Devaney, Devaney Associates

Williamsburg, VA

12:00 AM

Image Enhancement via Extrapolation Techniques: A Two Dimensional Iterative Scheme a Direct Matrix Inversion Scheme

Section: Imaging and Reconstruction

L. David Sabbagh, Sabbagh Associates, Inc.
Harold A. Sabbagh, Sabbagh Associates, Inc.
James S. Klopfenstein, Sabbagh Associates, Inc.

Williamsburg, VA

12:00 AM

Imaging of Electromagnetic NDT Phenomena

Section: Imaging and Reconstruction

W. Lord, Colorado State University
L. Udpa, Colorado State University

Williamsburg, VA

12:00 AM

Imaging of Mechanically Induced Thermal Heat Patterns

Section: Imaging and Reconstruction

Edmund G. Henneke II, Virginia Polytechnic Institute and State University

Williamsburg, VA

12:00 AM

Imaging of Subsurface Artifacts with the Analytic Signal

Section: Imaging and Reconstruction

Z. W. Bell, Martin Marietta Corporation

Williamsburg, VA

12:00 AM

Information Extraction from Multivariate Images

Section: Imaging and Reconstruction

S. K. Park, National Aeronautics and Space Administration
K. A. Kegley, National Aeronautics and Space Administration
J. R. Kegley, National Aeronautics and Space Administration

Williamsburg, VA

12:00 AM

Ion-Acoustic Imaging of Surface Flaws in Aluminum

Section: Imaging and Reconstruction

F. G. Satkiewicz, Johns Hopkins University
J. C. Murphy, Johns Hopkins University
L. C. Aamodt, Johns Hopkins University
J. W. Maclachlan, Johns Hopkins University

Williamsburg, VA

12:00 AM

Practical Experiences with LSAFT

Section: Imaging and Reconstruction

V. Schmitz, Universität Saarbrücken
W. Müller, Universität Saarbrücken
G. Schäfer, Universität Saarbrücken

Williamsburg, VA

12:00 AM

Reconstruction of Defect Geometries in Ultrasonic NDT

Section: Imaging and Reconstruction

V. Schmitz, Universität Saarbrücken
P. Höller, Universität Saarbrücken
K. J. Langenberg, University of Kassel

Williamsburg, VA

12:00 AM

Reconstruction of the Geometry of a Surface-Breaking Crack

Section: Imaging and Reconstruction

D. M. Tow, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Semi-Elliptical Surface Flaw EC Interaction and Inversion: Experiment

Section: Inversion

John C. Moulder, National Bureau of Standards and Technology
J. C. Gerlitz, National Bureau of Standards and Technology
B. A. Auld, Stanford University
S. Jefferies, Stanford University

Williamsburg, VA

12:00 AM

Semi-Elliptical Surface Flaw EC Interaction and Inversion: Theory

Section: Inversion

B. A. Auld, Stanford University
S. Jefferies, Stanford University
John C. Moulder, National Bureau of Standards and Technolgoy
J. C. Gerlitz, National Bureau of Standards and Technology

Williamsburg, VA

12:00 AM

The A.C.F.M. Technique: Recent Advances in Crack Depth Measurement

Section: Inversion

M. C. Lugg, University College London
W. D. Dover, University College London
D. R. Parramore, University College London

Williamsburg, VA

12:00 AM

The Effects of Flaw Orientation and Finite Aperture on Model Based Reconstruction Using Multiprobe Transducers

Section: Imaging and Reconstruction

Samuel J. Wormley, Iowa State University
David K. Hsu, Iowa State University
Donald O. Thompson, Iowa State University

Williamsburg, VA

12:00 AM

The Effects of Surface Roughness on Subsurface Defect Detection using Acoustic Microscopy

Section: Imaging and Reconstruction

P. Reinholdtsen, Stanford University
B. T. Khuri-Yakub, Stanford University

Williamsburg, VA

12:00 AM

The Parametric Inverse Problem in Transient Scattering

Section: Inversion

D. G. Dudley, University of Arizona

Williamsburg, VA

12:00 AM

Thermal Wave Physics in NDE

Section: Imaging and Reconstruction

Allan Rosencwaig, Therma-Wave, Inc.

Williamsburg, VA

12:00 AM

Three Dimensional Inverse Scattering for the Classical Wave Equation with Variable Speed

Section: Inversion

Margaret Cheney, Duke University
James H. Rose, Iowa State University
Brian DeFacio, University of Missouri

Williamsburg, VA

12:00 AM

Ultrasonic Crack Characterization: A Constrained Inversion Algorithm

Section: Inversion

Lester W. Schmerr Jr., Iowa State University
Alexander Sedov, Lakehead University

Williamsburg, VA

12:00 AM