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1992
Wednesday, January 1st
12:00 AM

A Description of an Improved Homodyne Laser Interferometer

Section: Laser Ultrasonics

A. C. Bushell, University of Warwick
C. Edwards, University of Warwick
S. B. Palmer, University of Warwick

Brunswick, ME

12:00 AM

A Feedthrough Eddy-Current Transducer with Rotating Magnetic Field

Section: Eddy Current Arrays and Sensors

Philippe Lembeye, Institut de recherche de la sidérurgie
Patrick Salemi, Institut de recherche de la sidérurgie

Brunswick, ME

12:00 AM

A Geometrical Interpretation of the Echo Formation of Short Pulses on Simple Shaped Targets

Section: Acoustic and Ultrasonic Sensors

D. De Vadder, Centre national de la recherche scientifique
R. Raillon, Centre national de la recherche scientifique
A. Lhémery, Centre national de la recherche scientifique

Brunswick, ME

12:00 AM

A Hybrid Finite Element/Method of Moment Formulation for Single Frequency Eddy-Current Inversion

Section: Imaging and Inversion Techniques

Margaret G. Wismer, Worcster Polytechnic Institute
Reinhold Ludwig, Worcester Polytechnic Institute

Brunswick, ME

12:00 AM

A Linear Eddy-Current Array Driven by a Whip Excitation

Section: Eddy Current Arrays and Sensors

Jeffrey C. Treece, Sabbagh Associates
Harold A. Sabbagh, Sabbagh Associates, Inc.

Brunswick, ME

12:00 AM

A Near-Field Measurement Model for Ultrasonic Reference Standards

Section: Standards

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

Brunswick, ME

12:00 AM

A Neural Network Approach for Solving Inverse Problems in NDE

Section: Neural Networks

I. Elshafiey, Iowa State University
Lalita Udpa, Iowa State University
Satish Udpa, Iowa State University

Brunswick, ME

12:00 AM

A New Conservation Law Description of an Electromagnetic Acoustic Transducer in the Time Domain

Section: Acoustic and Ultrasonic Sensors

R. Ludwig, Worcester Polytechnic Institute
X.-W. Dai, Worcester Polytechnic Institute
R. Palanisamy, Timken Research

Brunswick, ME

12:00 AM

A Novel Technique for Microwave Thickness Measurement of Dielectric Slabs Using an Open-Ended Rectangular Waveguide

Section: Electromagnetic Techniques

S. Bahktiari, Colorado State University
S. Ganchev, Colorado State University
R. Zoughi, Colorado State University

Brunswick, ME

12:00 AM

A True Wiener Filter Implementation for Improving Signal to Noise and Resolution in Acoustic Images

Section: Signal Processing

K. W. Mitchell, General Electric
R. S. Gilmore, General Electric

Brunswick, ME

12:00 AM

Acoustic Emission from Internal Delamination of a Four-Ply Plate

Section: Elastic Wave Propagation

E. Rhian Green, University of Leicester

Brunswick, ME

12:00 AM

Acoustic Emissions Applications on the Nasa Space Station

Section: Neural Networks

M. A. Friesel, Pacific Northwest Laboratory
R. S. Barga, Pacific Northwest Laboratory
J. F. Dawson, Pacific Northwest Laboratory
P. H. Hutton, Pacific Northwest Laboratory
R. J. Kurtz, Pacific Northwest Laboratory
D. K. Lemon, Pacific Northwest Laboratory

Brunswick, ME

12:00 AM

Active Corrosion Site Detection Scheme Using Optical Fibers

Section: Sensors for Corrosion

R. D. Rempt, Boeing

Brunswick, ME

12:00 AM

Analysis of Guided Waves in a Bilayered Plate

Section: Elastic Wave Propagation

Robert Bratton, University of Colorado at Boulder
Subhendu Datta, University of Colorado at Boulder

Brunswick, ME

12:00 AM

Analysis of Laser Ultrasonic Measurements of Surface Waves on Elastic Spheres

Section: Laser Ultrasonics

L. S. Koo, EG&G Idaho, Inc.
K. L. Telschow, EG&G Idaho, Inc.

Brunswick, ME

12:00 AM

Analysis of Microstrip Patch Antennas for Dielectric Measurement

Section: Electromagnetic Techniques

H. R. Hassani, University of Essex
D. Mirshekar-Syahkal, University of Essex

Brunswick, ME

12:00 AM

Analytic Calculations and Numerical Simulations of Box-Car Thermal Wave Images of Planar Subsurface Scatterers

Section: Thermal Techniques

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

Brunswick, ME

12:00 AM

Application of Critical Angle Imaging to the Characterization of Cast Stainless Steels

Section: Imaging and Inversion Techniques

B. P. Hildebrand, Battelle Memorial Institute
M. S. Good, Battelle Memorial Institute
A. A. Diaz, Battelle Memorial Institute
E. R. Green, Battelle Memorial Institute

Brunswick, ME

12:00 AM

Application of High Resolution Inversion of Ultrasonic Data to the Imaging of Multi-Layered Composite Structures

Section: Imaging and Inversion Techniques

Kenneth I. McRae, Canadian Department of National Defence

Brunswick, ME

12:00 AM

Application of Real Time Inverse Eddy Current Analysis

Section: Eddy Currents

John P. Wallace, Casting Analysis Corporation
Chibuike Iheadwara, Magnetic Analysis Corporation
Robert M. Seigfreid, St. Peters College

Brunswick, ME

12:00 AM

Application of Two-Dimensional Matched Filters to X-Ray Radiographic Flaw Detection and Enhancement

Section: Signal Processing

R. Mark Wallingford, Iowa State University
E. M. Siwek, Iowa State University
Joseph N. Gray, Iowa State University

Brunswick, ME

12:00 AM

Applications of NMR Imaging on Solid Rocket Motor Materials

Section: Laser Ultrasonics

E. J. VanderHeiden, Hercules Aerospace

Brunswick, ME

12:00 AM

Benchmark Problems in Eddy-Current NDE

Section: Eddy Currents

Harold A. Sabbagh, Sabbagh Associates
Stephen K. Burke, DSTO Aeronautical Research Laboratory

Brunswick, ME

12:00 AM

Bie Analysis of Elastic Wave Scattering by a Nonlinear Interface

Section: Elastic Wave Scattering

Sohichi Hirose, Okayama University
Michihiro Kitahara, Tokai University

Brunswick, ME

12:00 AM

Bonds Nde Using Stimulated Infrared Thermography

Section: Thermal Techniques

P. M. Delpech, Office National dEtudes et de Recherches Aérospatiales (ONERA)
D. M. Boscher, Office National dEtudes et de Recherches Aérospatiales (ONERA)
F. Lepoutre, Office National dEtudes et de Recherches Aérospatiales (ONERA)
A. A. Deom, Office National dEtudes et de Recherches Aérospatiales (ONERA)
D. L. Balageas, Office National dEtudes et de Recherches Aérospatiales (ONERA)

Brunswick, ME

12:00 AM

Calculated and Measured Ultrasonic Response of an Elastic Cylinder Embedded in an Elastic Medium

Section: Elastic Wave Scattering

R. C. Addison Jr., Rockwell International Science Center
A. N. Sinclair, Rockwell International Science Center

Brunswick, ME

12:00 AM

Calibration and Characterization of Eddy Current Probes by Photoinductive Field Mapping

Section: Eddy Current Arrays and Sensors

J. C. Moulder, Iowa State University
M. W. Kubovich, Iowa State University
M. S. Hughes, Iowa State University
S. Mitra, Iowa State University
A. Degeratu, Iowa State University

Brunswick, ME

12:00 AM

Characterization of Materials Using Grain Backscattered Ultrasonic Signals

Section: Signal Processing

Myung-Hyun Yoon, Iowa State University
Tenkasi V. Ramabadran, Iowa State University

Brunswick, ME

12:00 AM

Characterization of “Kinked” Surface Cracks Using Rayleigh Waves

Section: Elastic Wave Scattering

I. C. Tsironis, University College London
Leonard J. Bond, University of Colorado at Boulder

Brunswick, ME

12:00 AM

Coherent Flaw Reflectivity Estimation in Nonstationary Noise

Section: Signal Processing

Kevin D. Donohue, University of Kentucky
John M. Bressler, Drexel University

Brunswick, ME

12:00 AM

Coherent X-Ray Imaging for Corrosion Evaluation: A Preliminary Assessment

Section: X-Ray and Computed Radiography

Larry Lawson, Northwestern University

Brunswick, ME

12:00 AM

Comparison of Heating Protocols for Detection of Disbonds in Lap Joints

Section: Thermal Techniques

William P. Winfree, Langley Research Center
B. Scott Crews, Langley Research Center
P. A. Howell, Langley Research Center

Brunswick, ME

12:00 AM

Comparison of Neural Network and Markov Random Field Image Segmentation Techniques*

Section: Neural Networks

Fred G. Smith, McDonnel Aircraft Company
Karen R. Jepsen, McDonnell Aircraft Company
Peter F. Lichtenwalner, McDonnell Aircraft Company

Brunswick, ME

12:00 AM

Computed Speckle Decorrelation (CSD) and Its Application for Fatigue Damage Monitoring

Section: Thermal Techniques

J. Scott Steckenrider, The Johns Hopkins University
James W. Wagner, The Johns Hopkins University

Brunswick, ME

12:00 AM

Computed Tomography Imaging for Nondestructive Evaluation

Section: X-Ray and Computed Radiography

Claudia V. Kropas, Wright Laboratory WL/MLLP
Michael E. Hughes, Wright Laboratory WL/MLLP

Brunswick, ME

12:00 AM

Connection Machine Simulation of Ultrasonic Wave Propagation: Two Dimensional Case

Section: Elastic Wave Propagation

P. P. Delsanto, Dipartimento di Fisica Politecnico di Torino
H. H. Chaskelis, Naval Research Laboratory
R. B. Mignogna, Naval Research Laboratory
T. V. Whitcombe, Naval Research Laboratory
R. S. Schechter, Naval Research Laboratory

Brunswick, ME

12:00 AM

Correlation of X-Ray CT Measurements to Shear Strength in Pultruded Composite Materials

Section: X-Ray and Computed Radiography

G. Georgeson, The Boeing Company
R. Bossi, The Boeing Company
L. O'Dell, The Boeing Company
G. Lorsbach, The Boeing Company
J. Nelson, The Boeing Company

Brunswick, ME

12:00 AM

Cross Correlation of Eddy Current Images for Detection of Fatigue Crack Propagation

Section: Imaging and Inversion Techniques

R. H. Moore, American Research Corporation of Virginia
J. M. Glass, American Research Corporation of Virginia
H. P. Groger, American Research Corporation of Virginia
R. J. Churchill, American Research Corporation of Virginia

Brunswick, ME

12:00 AM

Detection of a Deep Flaw Inside a Conductor Using a Squid Magnetometer

Section: Eddy Current Arrays and Sensors

Yu Pei Ma, Vanderbilt University
John P. Wikswo Jr., Vanderbilt University

Brunswick, ME

12:00 AM

Development of an Advanced 3D Cone Beam Tomographic System

Section: X-Ray and Computed Radiography

P. Sire, Centre d’Etude Nucleaire de Grenoble
Philippe Rizo, Centre d’Etude Nucleaire de Grenoble
M. Martin, Centre d’Etude Nucleaire de Grenoble
P. Grangeat, Centre d’Etude Nucleaire de Grenoble
P. Morisseau, Intercontrole

Brunswick, ME

12:00 AM

Dynamic Thermal Tomography: New Nde Technique to Reconstruct Inner Solids Structure Using Multiple IR Image Processing

Section: Thermal Techniques

V. Vavilov, Tomsk Polytechnical Institute
X. Maldague, Wayne State University
J. Picard, Wayne State University
R. L. Thomas, Wayne State University
L. D. Favro, Université Laval

Brunswick, ME

12:00 AM

Eddy Current Arrays for Defect Detection

Section: Eddy Current Arrays and Sensors

D. C. Hurley, General Electric
K. H. Hedengren, General Electric
J. D. Young, General Electric

Brunswick, ME

12:00 AM

Eddy Current Corner Crack Inspection

Section: Eddy Currents

Norio Nakagawa, Iowa State University
S. Mitra, Iowa State University
J. C. Moulder, Iowa State University

Brunswick, ME

12:00 AM

Eddy Current Crack Signals in Small Diameter Tubing

Section: Eddy Currents

Steven Ross, Iowa State University
William Lord, Iowa State University

Brunswick, ME

12:00 AM

Eddy Current Testing of Carbon-Carbon Composites

Section: Eddy Currents

M. Gvishi, Israel Ministry of Defense
A. H. Kahn, National Institute of Standards and Technology
M. L. Mester, The Aluminum Association, Incorporated

Brunswick, ME

12:00 AM

Effect of a Damping Layer on Harmonic Wave Motion in a Laminated Plate

Section: Elastic Wave Propagation

Daniel Nkemzi, University of Nottingham
W. Anthony Green, University of Nottingham

Brunswick, ME

12:00 AM

Effects of Laser Source Parameters on the Generation of Narrow Band and Directed Laser Ultrasound

Section: Laser Ultrasonics

James B. Spicer, National Institute of Standards and Technology
John B. Deaton Jr., National Aeronautics and Space Administration
James W. Wagner, Johns Hopkins University

Brunswick, ME

12:00 AM

Elastic Constants for Unidirectional Boron-Epoxy Composites

Section: Laser Ultrasonics

C. M. Scala, Australian Defence Science and Technology Organisation
P. A. Doyle, Australian Defence Science and Technology Organisation

Brunswick, ME

12:00 AM

Elastic Waves in Homogeneous and Layered Transversely-Isotropic Media: Gaussian Wave Packets and Green Functions

Section: Elastic Wave Propagation

M. Spies, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren (IzfP)
P. Fellinger, University of Kassel
K. J. Langenberg, University of Kassel

Brunswick, ME

12:00 AM

Elastodynamic Scattering from a Three-Dimensional Crack in a Fluid-Loaded Halfspace

Section: Elastic Wave Scattering

David E. Budreck, Iowa State University
Ronald A. Roberts, Iowa State University

Brunswick, ME

12:00 AM

Error Analysis and Ultrasonic Scattering Amplitude Estimation Using the Wiener Filter with Limited Prior Information

Section: Signal Processing

Steven P. Neal, University of Missouri–Columbia
Paul L. Speckman, University of Missouri–Columbia
Michael A. Enright, University of Missouri–Columbia

Brunswick, ME

12:00 AM

Error Arising from Original Approximation in Photothermal Measurement of Weak Absorption of Optical Thin Film

Section: Thermal Techniques

Baixuan Shin, Zhejiang University
Wenbin Chen, Zhejiang University
G. G. Siu, City Polytechnic of Hong Kong
D. S. Chiu, City Polytechnic of Hong Kong

Brunswick, ME

12:00 AM

Fast Pattern Recognition Method for Eddy Current Testing

Section: Signal Processing

K. Grotz, Institut Dr. Foerster
T. W. Guettinger, Institut Dr. Foerster

Brunswick, ME

12:00 AM

Fast Photothermal Inspection of Plasma-Sprayed Coatings of Primary Circulation Seal Rings of a Nuclear Reactor

Section: Thermal Techniques

R. Lehtiniemi, University of Helsinki
J. Hartikainen, University of Helsinki
J. Rantala, University of Helsinki
J. Varis, University of Helsinki
M. Luukkala, University of Helsinki

Brunswick, ME

12:00 AM

Finite Element Study of Lamb Wave Interactions with Holes and Through Thickness Defects in Thin Metal Plates

Section: Elastic Wave Scattering

G.Bruce S. Verdict, Texas A&M University
P. H. Gien, Texas A&M University
C. P. Burger, Texas A&M University

Brunswick, ME

12:00 AM

Flaw Characterization and Sizing Using Sensitivity Analysis and the Boundary Element Method

Section: Imaging and Inversion Techniques

Daniel A. Tortorelli, University of Illinois at Urbana-Champaign
Zi-Xian Wang, University of Illinois at Urbana-Champaign
Guna Krishnasamy, PDA Engineering

Brunswick, ME

12:00 AM

Flying Laser Spot Thermal Wave IR Imaging

Section: Thermal Techniques

Y. Q. Wang, Wayne State University
P. Chen, Wayne State University
P. K. Kuo, Wayne State University
L. D. Favro, Wayne State University
R. L. Thomas, Wayne State University

Brunswick, ME

12:00 AM

Generalized Boundary Conditions for Imperfect Interface between Two Solid Anisotropic Media

Section: Elastic Wave Propagation

S. I. Rokhlin, The Ohio State University
W. Huang, The Ohio State University

Brunswick, ME

12:00 AM

Generation of Dispersive Acoustic Waves by the Phase Velocity Scanning of a Laser Beam

Section: Laser Ultrasonics

Kazushi Yamanaka, Mechanical Engineering Laboratory
Yoshihiko Nagata, Mechancial Engineering Laboratory
Toshio Koda, Mechanical Engineering Laboratory

Brunswick, ME

12:00 AM

Graphite Epoxy Defect Classification of Ultrasonic Signatures Using Statistical and Neural Network Techniques

Section: Neural Networks

L. M. Brown, David Taylor Research Center
R. W. Newman, Johns Hopkins University
R. DeNale, David Taylor Research Center
C. A. Lebowitz, David Taylor Research Center
F. G. Arcella, Johns Hopkins University

Brunswick, ME

12:00 AM

High Temperature Fabry-Perot Based Strain Sensor for Ceramic Cross Flow Filters

Section: Fiber-Optic Sensors

Kent A. Murphy, Virginia Polytechnic Institute and State University
C. E. Koob, Virginia Polytechnic Institute and State University
A. J. Plante, Virginia Polytechnic Institute and State University
M. F. Gunther, Virginia Polytechnic Institute and State University
A. M. Vengsarkar, Virginia Polytechnic Institute and State University
Richard O. Claus, Virginia Polytechnic Institute and State University

Brunswick, ME

12:00 AM

Hybrid Lossless-Lossy Compression of Industrial Radiographs

Section: Imaging and Inversion Techniques

Ajai Narayan, Iowa State University
Tenkasi V. Ramabadran, Iowa State University

Brunswick, ME

12:00 AM

IDA: An Architecture for an Intelligent Design Assistant for Assessing the Inspectability of Structures from a Description of Their Geometry

Section: Neural Networks

Stephen M. Nugen, Iowa State University
Babak Forouraghi, Iowa State University
Lester W. Schmerr Jr., Iowa State University

Brunswick, ME

12:00 AM

Imaging Flaws in Thin Metal Plates Using a Magneto-Optic Device

Section: Imaging and Inversion Techniques

B. Wincheski, National Aeronautics and Space Administration
D. R. Prabhu, National Aeronautics and Space Administration
M. Namkung, AS&M, Inc.
E. A. Birt, National Aeronautics and Space Administration

Brunswick, ME

12:00 AM

Influence of Filtering Techniques on Holographic Images

Section: Signal Processing

V. van Bernus, Siemens AG
F. Mohr, Siemens AG
R. Reimann, Siemens AG
H. Schober, Siemens AG
T. Schmeidl, Seimens AG

Brunswick, ME

12:00 AM

Inspection of Components Having Complex Geometries Using Laser-Based Ultrasound

Section: Laser Ultrasonics

Andrew D. McKie, Rockwell International Science Center
Robert C. Addison Jr., Rockwell International Science Center

Brunswick, ME

12:00 AM

Investigations of Extensional and Torsional Acoustic Wave Thin Rod Sensors

Section: Acoustic and Ultrasonic Sensors

M. Viens, University of Sherbrooke
Y. Liu, University of Sherbrooke
C. K. Jen, Canadian National Research Council
Z. Wang, Canadian National Research Council
J. D. N. Cheeke, Siricon, Inc.

Brunswick, ME

12:00 AM

IR Thermal Wave Tomographic Studies of Structural Composites

Section: Thermal Techniques

L. D. Favro, Wayne State University
H. J. Jin, Wayne State University
Y. X. Wang, Wayne State University
T. Ahmed, Wayne State University
X. Wang, Wayne State University
P. K. Kuo, Wayne State University
R. L. Thomas, Wayne State University

Brunswick, ME

12:00 AM

Issues in Global Environmental Monitoring

G. Bruce Wiersma, University of Maine

Brunswick, ME

12:00 AM

Iterative Boundary Integral Solution for Curved Interface Transmission

Section: Elastic Wave Propagation

Ronald A. Roberts, Iowa State University

Brunswick, ME

12:00 AM

Limited Data Tomography Using Support Minimization with a Priori Data

Section: Imaging and Inversion Techniques

Ronald A. Roberts, Iowa State University

Brunswick, ME

12:00 AM

Long Cavity Laser Excitation and Digital Filtering of Narrowband Ultrasound for Enhanced Signal-to-Noise Ratio

Section: Laser Ultrasonics

J. B. Deaton Jr., National Institute of Standards and Technology
J. B. Spicer, Johns Hopkins University
James W. Wagner, National Aeronautics and Space Administration

Brunswick, ME

12:00 AM

Measurement and Calculation of Transient Eddy-Currents in Layered Structures

Section: Eddy Currents

John R. Bowler, University of Surrey
D. J. Harrison, Defence Research Agency

Brunswick, ME

12:00 AM

Measurement of Crack Depth in a Transition Weld Using Acpd

Section: Electromagnetic Techniques

R. Collins, University College London NDE Centre
D. H. Michael, University College London NDE Centre
R. Clark, Rolls-Royce & Associates

Brunswick, ME

12:00 AM

Measurement of Internal Residual Strain Gradients in Metal Matrix Composites Using Synchrotron Radiation

Section: X-Ray and Computed Radiography

Todd A. Kuntz, University of Virginia
Haydn N.G. Wadley, University of Virginia
David R. Black, National Institute of Standards and Technology

Brunswick, ME

12:00 AM

Measurement of the Center-of-Gravity Using X-Ray Computed Tomography

Section: X-Ray and Computed Radiography

R. Bossi, Boeing Defense & Space Group
A. Crews, Boeing Defense & Space Group
J. Nelson, Boeing Defense & Space Group

Brunswick, ME

12:00 AM

Measurements of Local Surface Wave Speeds by a Dual-Probe Laser Interferometer

Section: Laser Ultrasonics

J. Huang, Northwestern University
J. D. Achenbach, Northwestern University

Brunswick, ME

12:00 AM

Measuring Thickness and Conductivity of Metallic Layers with Eddy Currents

Section: Eddy Currents

Erol Uzal, Iowa State University
John C. Moulder, Iowa State University
James H. Rose, Iowa State University

Brunswick, ME

12:00 AM

Microstructure Characterizations in Composite Media Using Ultrasonic Tomography

Section: Imaging and Inversion Techniques

Ronald A. Kline, University of Oklahoma
Yu-Qin Wang, University of Oklahoma

Brunswick, ME

12:00 AM

Microwave Imaging of Defects in Graphite Reinforced Composite Materials

Section: Electromagnetic Techniques

R. P. Flam, Flam & Russell, Incorporated
B. Scott W. Deats, Flam & Russell, Incorporated

Brunswick, ME

12:00 AM

Microwave Scattering Properties of Dielectric Cylinders with Defects

Section: Electromagnetic Techniques

Reza Zoughi, Colorado State University
Nasser Qaddoumi, Colorado State University

Brunswick, ME

12:00 AM

Monochromatic X-Ray Beams for NDT

Section: X-Ray and Computed Radiography

T. Jensen, Iowa State University
Joseph Nahum Gray, Iowa State University

Brunswick, ME

12:00 AM

Multiple Pulse Line Narrowing: Approaches for Solid State NMR Imaging

Section: Laser Ultrasonics

J. B. Miller, United States Navy
D. G. Cory, Bruker Instruments, Inc.
A. N. Garroway, United States Navy

Brunswick, ME

12:00 AM

Nanosecond Scale Optical Pulse Separations for Holographic Investigation of High-Speed Transient Events

Section: Thermal Techniques

Michael J. Ehrlich, The Johns Hopkins University
James W. Wagner, The Johns Hopkins University

Brunswick, ME

12:00 AM

NDE of Cylindrically Symmetric Components with Piezofilm Transducers

Section: Acoustic and Ultrasonic Sensors

David K. Hsu, Iowa State University
Zhong Zhang, Iowa State University

Brunswick, ME

12:00 AM

Neural Network for Crack-Depth Determination from Ultrasonic Backscattering Dat

Section: Neural Networks

M. Kitahara, Tokai University
J. D. Achenbach, Northwestern University
Q. C. Guo, Northwestern University
M. L. Peterson, Northwestern University
M. Notake, Mitsubishi Research Institute
M. Takadoya, Mitsubishi Research Institute

Brunswick, ME

12:00 AM

New Concepts for Characterization of Ultrasonic Transducers

Section: Acoustic and Ultrasonic Sensors

P. Jagnoux, Snecma S.A
G. Mangenet, Snecma S.A

Brunswick, ME

12:00 AM

New Training Algorithm for Neural Networks

Section: Neural Networks

Joseph C. Chow, Iowa State University
Lalita Udpa, Iowa State University
Satish Udpa, Iowa State University

Brunswick, ME

12:00 AM

NMR Imaging of Advanced Composites

Section: Laser Ultrasonics

Charles G. Fry, McDonnell Douglas
Martin J. Lizak, Massachusetts General Hospital
Mark S. Conradi, Washington University in St. Louis

Brunswick, ME

12:00 AM

Non-Specular Reflection of Bounded Beams From Multilayer Fluid-Immersed Elastic Structures: Complex Ray Method Revisited

Section: Elastic Wave Propagation

Smaine Zeroug, Weber Research Institute Polytechnic
Leopold B. Felsen, Weber Research Institute Polytechnic

Brunswick, ME

12:00 AM

Nondestructive Evaluation of Energetic Materials Via NMR Imaging

Section: Laser Ultrasonics

J. H. Iwamiya, Lockheed Missiles and Space Company
S. W. Sinton, Lockheed Missiles and Space Company
J. Callahan, University of Washington
G. P. Drobny, University of Washington

Brunswick, ME

12:00 AM

Nondestructive Evaluation Using Shearing Interferometry

Section: Thermal Techniques

Thomas C. Chatters, Northwestern University
Sridhar Krishnaswamy, Northwestern University

Brunswick, ME

12:00 AM

Numerical Modeling of Probe Velocity Effects for Electromagnetic NDE Methods

Section: Eddy Currents

Y. K. Shin, Iowa State University
W. Lord, Iowa State University

Brunswick, ME

12:00 AM

Numerical Solutions for Heat Flow in Adhesive Lap Joints

Section: Thermal Techniques

P. A. Howell, Langley Research Center
William P. Winfree, Langley Research Center

Brunswick, ME

12:00 AM

On the Use of Wigner Distribution in Ultrasonic NDE

Section: Signal Processing

C. H. Chen, University of Massachusetts Dartmouth
J. C. Guey, Purdue University

Brunswick, ME

12:00 AM

On—Axis Formulas for Ultrasonic Transducer Beams in Anisotropic Media

Section: Acoustic and Ultrasonic Sensors

Byron Newberry, University of Cincinnati

Brunswick, ME

12:00 AM

Optical Fiber Strain Sensors for Cable Nondestructive Evaluation

Section: Fiber-Optic Sensors

Russell May, Fiber and Sensor Technologies, Inc.
Brian R. Fogg, Virginia Polytechnic Institute and State University
Richard O. Claus, Virginia Polytechnic Institute and State University

Brunswick, ME

12:00 AM

Optimization of Sound Pulse Generation for Photoacoustic Sensing Applications

Section: Acoustic and Ultrasonic Sensors

Markku Oksanen, University of Helsinki
Junru Wu, University of Vermont

Brunswick, ME

12:00 AM

Optimum Implementation of the Specified Notches for Ultrasonic Detection of Longitudinal Defects on Steel Tubes

Section: Standards

P. A. Ngo, Vallourec
B. Bisiaux, Vallourec
H. Wiart, Vallourec
G. Desmoulin, Vallourec
A. Guely, Valinox
A. Rousset, Valinox

Brunswick, ME

12:00 AM

Performance Modeling of Scintillator-Based X-Ray Imaging Systems

Section: X-Ray and Computed Radiography

G. A. Mohr, General Electric Corporate Research and Development
W. T. Tucker, General Electric Corporate Research and Development
M. K. Cueman, General Electric Corporate Research and Development

Brunswick, ME

12:00 AM

Phase Shift Determination of Scattered Far-Fields and its Application to an Inverse Problem

Section: Imaging and Inversion Techniques

M. Kitahara, Tokai University
K. Nakagawa, Total System Institute

Brunswick, ME

12:00 AM

Point Spread Function Estimation of Image Intensifier Tubes

Section: X-Ray and Computed Radiography

Edward R. Doering, Iowa State University
Joseph Nahum Gray, Iowa State University
John P. Basart, Iowa State University

Brunswick, ME

12:00 AM

Polarimetric Microwave Inverse Scattering as Applied to Nondestructive Testing

Section: Imaging and Inversion Techniques

M. Brandfaß, University of Kassel
K. J. Langenberg, University of Kassel

Brunswick, ME

12:00 AM

Probability of Detection (POD) Models for Eddy Current NDE Methods

Section: Eddy Currents

S. N. Rajesh, Iowa State University
L. Udpa, Iowa State University
S. S. Udpa, Iowa State University
Norio Nakagawa, Iowa State University

Brunswick, ME

12:00 AM

Procedure for the Alignment of an Ultrasonic Beam for Nondestructive Applications

Section: Acoustic and Ultrasonic Sensors

N. K. Badra, United States Navy
R. B. Mignogna, United States Navy
K. E. Simmonds, United States Navy

Brunswick, ME

12:00 AM

Production of a Diffractionless Ultrasonic Beam

Section: Acoustic and Ultrasonic Sensors

Byron Newberry, University of Cincinnati
Mark Preischel, University of Cincinnati
Jeff McKain, University of Cincinnati

Brunswick, ME

12:00 AM

Pulsed Lasers for Quantitative Ultrasonic NDE

Section: Laser Ultrasonics

David A. Hutchins, University of Warwick

Brunswick, ME

12:00 AM

Quantitative Evaluation of Steel Corrosion in Microenvironments Using the Corrosion Coulometer

Section: Sensors for Corrosion

Richard D. Granata, Lehigh University
William D. Michalerya, Lehigh University
Roger H. Wildt, Bethlehem Steel Corporation
Henry Leidheiser Jr.
Brendan W. O'Malley Jr., Desimone, Chaplin and Dobryn Consulting Engineers, P.C.

Brunswick, ME

12:00 AM

Quantitative Nondestructive Density Determinations of Very Low-Density Carbon Foams

Section: X-Ray and Computed Radiography

W. Anthony E. Moddeman, EG&G Mound Applied Technologies
D. P. Kramer, EG&G Mound Applied Technologies
D. W. Firsich, EG&G Mound Applied Technologies
P. D. Trainer, EG&G Mound Applied Technologies
P. S. Back, EG&G Mound Applied Technologies
S. D. Smith, EG&G Mound Applied Technologies
W. R. Deal, EG&G Mound Applied Technologies
R. F. Salerno, EG&G Mound Applied Technologies
F. A. Koeler, EG&G Mound Applied Technologies
M. E. Hughes, Advanced Research & Applications Corporation

Brunswick, ME

12:00 AM

Radiographic Image Enhancement by Wiener Decorrelation

Section: Imaging and Inversion Techniques

Zane W. Bell, Martin Marietta Energy Systems, Inc.
B. W. Godfrey, Martin Marietta Energy Systems, Inc.

Brunswick, ME

12:00 AM

Rank Determination of Order Statistic Filters for Ultrasonic Flaw Detection

Section: Signal Processing

Xing Liu, Drexel University
Jian-qiang Xin, Drexel University
Kevin Donohue, Drexel University
Nihat M. Bilgutay, Drexel University

Brunswick, ME

12:00 AM

Rayleigh Wave Scattering from Three Dimensional Surface Slots and Semi-Circular Depressions

Section: Elastic Wave Scattering

R. J. Blake, SERC Daresbury Laboratory
Leonard J. Bond, University of Colorado at Boulder

Brunswick, ME

12:00 AM

Real-Time B-Scan Ultrasonic Imaging Using a Digital Phased Array System for NDE

Section: Imaging and Inversion Techniques

Robert Dunki-Jacobs, General Electric Company
Lewis Thomas, General Electric Company

Brunswick, ME

12:00 AM

Reconstruction of Internal Density Distributions in Porous Bodies from Laser Ultrasonic Data

Section: Imaging and Inversion Techniques

Yichi Lu, University of Virginia
Jeffrey A. Goldman, University of Virginia
Haydn N. G. Wadley, University of Virginia

Brunswick, ME

12:00 AM

Reflection and Scattering by a Slightly Undulating Interface

Section: Elastic Wave Scattering

Jianmin Qu, Georgia Institute of Technology

Brunswick, ME

12:00 AM

Sapphire Fiber Interferometer for Microdisplacement Measurements at High Temperature

Section: Fiber-Optic Sensors

Kent A. Murphy, Virginia Polytechnic Institute and State University
Shari Feth, Virginia Polytechnic Institute and State University
Ashish M. Vengsarkar, Virginia Polytechnic Institute and State University
Richard O. Claus, Virginia Polytechnic Institute and State University

Brunswick, ME

12:00 AM

Scattering of Acoustic and Elastic Waves by Cracklike Objects: The Role of Hypersingular Integrals

Section: Elastic Wave Scattering

Guna Krishnasamy, PDA Engineering
Frank J. Rizzo, University of Illinois
Yijun Liu, University of Illinois

Brunswick, ME

12:00 AM

Secondary Radiation Influence on LSF Shapes in Radiography

Section: X-Ray and Computed Radiography

A. Notea, Technion Haifa
Y. Bushlin, Technion Haifa
Y. Feldman, Technion Haifa

Brunswick, ME

12:00 AM

Self-Calibrating Ultrasonic Technique for R/T and T/R Measurements

Section: Acoustic and Ultrasonic Sensors

J. D. Achenbach, Northwestern University
I. N. Komsky, Northwestern University
Y. C. Lee, Northwestern University
Y. C. Angel, Rice University

Brunswick, ME

12:00 AM

Site and Waste Characterization for Environmental Restoration and Waste Management in the U.S. Department of Energy

C. W. Frank, Department of Energy
S. M. Wolf, Department of Energy

Brunswick, ME

12:00 AM

Skin Depth Considerations in Eddy Current NDT

Section: Eddy Currents

Paul Stucky, Iowa State University
William Lord, Iowa State University

Brunswick, ME

12:00 AM

Smart Materials Used in Frequency Selective Passive Sensors

Section: Acoustic and Ultrasonic Sensors

James R. Lhota, The Aerospace Corporation
P. M. Sheaffer, The Aerospace Corporation
G. F. Hawkins, The Aerospace Corporation

Brunswick, ME

12:00 AM

Split Spectrum Processing with Computationally Efficient Sinusoidal Fir Filters

Section: Signal Processing

Orlando J. Canelones, University of Dayton
Prasanna Karpur, University of Dayton

Brunswick, ME

12:00 AM

Split Spectrum Technique as a Preprocessor for Ultrasonic Nondestructive Evaluation

Section: Signal Processing

Prasanna Karpur, University of Dayton

Brunswick, ME

12:00 AM

Study of Microstructural Characteristics Using Mathematical Morphology

Section: Signal Processing

Matthew S. Chackalackal, Iowa State University
John P. Basart, Iowa State University

Brunswick, ME

12:00 AM

Surface Coverage Issues When Using Eddy Current Arrays

Section: Eddy Current Arrays and Sensors

K. H. Hedengren, General Electric
P. J. Howard, General Electric

Brunswick, ME

12:00 AM

Surface Wave Propagation in Fiber Composite Laminates

Section: Elastic Wave Propagation

W. Anthony Green, University of Nottingham

Brunswick, ME

12:00 AM

Temporal Leakage and Its Effects on Resolution in Deconvolution of Ultrasonic Signals

Section: Signal Processing

M. S. O'Brien, University of Toronto
S. M. Kramer, Ontario Hydro

Brunswick, ME

12:00 AM

The Interfacial Mass Detection with Lamb-Wave Sensors

Section: Acoustic and Ultrasonic Sensors

Junru Wu, University of Vermont
Zhemin Zhu, Nanjing University

Brunswick, ME

12:00 AM

The Modelling and Experimental Study of the Piezofilm Transducer Waveforms in Cylindrical Geometry

Section: Acoustic and Ultrasonic Sensors

Zhong Zhang, Iowa State University
David K. Hsu, Iowa State University

Brunswick, ME

12:00 AM

The Use of Phase Quadrature Information for the Automated Detection and Classification of Defects in the Presence of Deterministic Noise

Section: Neural Networks

Donald L. Birx, Systems Research Laboratories
Stephen J. Pipenberg, Systems Research Laboratories

Brunswick, ME

12:00 AM

Theoretical Predictions and Experimental Measurements of Echo-Responses from Angled Targets

Section: Elastic Wave Scattering

A. Lhemery, Laboratoire MSS-MAT URA 850 C.N.R.S.
R. Raillon, Laboratoire MSS-MAT URA 850 C.N.R.S.
J. P. Weight, The City University

Brunswick, ME

12:00 AM

Theory of Eddy Currents in Metal Matrix Composites

Section: Eddy Currents

R. E. Beissner, Southwest Research Institute

Brunswick, ME

12:00 AM

Three Dimensional Modeling of the DC Potential Drop Method Using Finite Element and Boundary Element Analysis

Section: Electromagnetic Techniques

S. Nath, Iowa State University
Thomas J. Rudolphi, Iowa State University
W. Lord, Iowa State University

Brunswick, ME

12:00 AM

Three-Dimensional Fem-Bem Computation of Electromagnetic Responses of Flaws

Section: Electromagnetic Techniques

Jian-She Wang, The University of Akron
Nathan Ida, The University of Akron

Brunswick, ME

12:00 AM

Through-Transmission Impedance Measurements on Moving Metallic Sheets

Section: Eddy Currents

Arnold H. Kahn, National Institute of Standards and Technology
Michael L. Mester

Brunswick, ME

12:00 AM

Time Delay Neural Networks for Classification of Ultrasonic NDT Signals

Section: Neural Networks

K. Shahani, Iowa State University
Lalita Udpa, Iowa State University
Satish Udpa, Iowa State University

Brunswick, ME

12:00 AM

Time-Resolved Infrared Radiometry (Trir) for Characterization of Impact Damage in Composite Materials

Section: Thermal Techniques

J. W. Maclachlan Spicer, The Johns Hopkins University
W. D. Kerns, The Johns Hopkins University
L. C. Aamodt, The Johns Hopkins University
J. C. Murphy, The Johns Hopkins University

Brunswick, ME

12:00 AM

Transient Response of a Laminated Composite Plate

Section: Elastic Wave Propagation

S. K. Datta, University of Colorado at Boulder
T. H. Ju, University of Colorado at Boulder
R. L. Bratton, University of Colorado at Boulder
A. H. Shah, University of Manitoba Winnipeg

Brunswick, ME

12:00 AM

Transient Scattering of Rayleigh-Lamb Waves by Surface-Breaking and Buried Cracks in a Plate

Section: Elastic Wave Scattering

S. W. Liu, University of Colorado at Boulder
S. K. Datta, University of Colorado at Boulder
A. H. Shah, University of Manitoba

Brunswick, ME

12:00 AM

UHF Modulation and Fourier Transform Differential Time Domain Techniques for Measuring Strain Via Fiber Optics

Section: Fiber-Optic Sensors

Jeffrey S. Schoenwald, Rockwell International Corporation
Ross H. Messinger, Rockwell International Corporation

Brunswick, ME

12:00 AM

Ultrasonic Characterization of Laser Ablation

Section: Laser Ultrasonics

J. A. Smith, EG&G Idaho, Inc.
K. L. Telschow, EG&G Idaho, Inc.

Brunswick, ME

12:00 AM

Ultrasonic Equivalent Flaw Sizing - A Time-of-Flight Approach

Section: Imaging and Inversion Techniques

Sung-Jin Song, Iowa State University
Lester W. Schmerr Jr., Iowa State University

Brunswick, ME

12:00 AM

Ultrasonic Flaw Classification Using a Quasi-Pulse-Echo Technique

Section: Imaging and Inversion Techniques

Chien-Ping Chiou, Iowa State University
Lester W. Schmerr Jr., Iowa State University

Brunswick, ME

12:00 AM

Ultrasonic Scattering from Anisotropic Shells

Section: Elastic Wave Scattering

John Mittleman, Naval Coastal Systems Center
R. Bruce Thompson, Iowa State University
Ronald A. Roberts, Iowa State University

Brunswick, ME

12:00 AM

Ultrasonic Signal Enhancement Using Order Statistic and Morphological Filters

Section: Signal Processing

M. A. Mohamed, Illinois Institute of Technology
J. Saniie, Illinois Institute of Technology

Brunswick, ME

12:00 AM

Ultrasonic Signal Processing of Adhesive Bonding Data Employing Chirp-Z Transform and Adaptive Filtering Techniques

Section: Signal Processing

V. K. Nair, Worcester Polytechnic Institute
R. Ludwig, Worcester Polytechnic Institute
J. M. Sullivan, Worcester Polytechnic Institute
D. Dai, Worcester Polytechnic Institute

Brunswick, ME

12:00 AM

Ultrasonic Sizing of Voids Using Area Functions

Section: Imaging and Inversion Techniques

J. Yang, University College London
Leonard J. Bond, National Institute of Standards and Technology

Brunswick, ME

12:00 AM

Ultrasonic Synthetic-Aperture Holographic Imaging†

Section: Imaging and Inversion Techniques

Richard Y. Chiao, General Electric Company
Robert S. Gilmore, General Electric Company
Thomas G. Kincaid, Signametrics

Brunswick, ME

12:00 AM

Ultrasonic Wave Propagation through an Interface with a Step Discontinuity

Section: Elastic Wave Propagation

A. Minachi, Iowa State University
R. Bruce Thompson, Iowa State University
M. S. Good, Pacific Northwest Laboratories
A. A. Diaz, Pacific Northwest Laboratories

Brunswick, ME

12:00 AM

Unfocused Source of X-Rays in a Microfocus X-Ray Tube

Section: X-Ray and Computed Radiography

W. Anthony D. Friedman, BP America

Brunswick, ME

12:00 AM

Validity of the Gauss-Hermite Beam Model in an Anisotropic Layered Medium: Comparison to the Finite Element Method

Section: Acoustic and Ultrasonic Sensors

A. Minachi, Iowa State University
Z. You, Iowa State University
R. Bruce Thompson, Iowa State University
W. Lord, Iowa State University

Brunswick, ME

12:00 AM

Viscoelasticity Influence on Frequency Dependence of the Ultrasonic Transmission through Plates of Composite Materials

Section: Elastic Wave Propagation

Marc Deschamps, Université de Bordeaux I 351
Bernard Hosten, Université de Bordeaux I 351

Brunswick, ME

12:00 AM

Wave Field Produced in a Composite Laminate by a Concentrated Surface Force

Section: Elastic Wave Propagation

A. K. Mal, University of California
S. S. Lih, University of California

Brunswick, ME

12:00 AM

X-Ray Cone Beam Tomography with Two Tilted Circular Trajectories

Section: X-Ray and Computed Radiography

Philippe Rizo, Centre d’Etudes Nucléaires de Grenoble
Pierre Grangeat, Centre d’Etudes Nucléaires de Grenoble
Pascal Sire, Centre d’Etudes Nucléaires de Grenoble
Patrick Le Masson, Centre d’Etudes Nucléaires de Grenoble
Solange Delageniere, Centre d’Etudes Nucléaires de Grenoble

Brunswick, ME

12:00 AM