Schedule

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1996
Monday, January 1st
12:00 AM

A New ECT Probe with Rotating Direction Eddy Current

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

H. Hoshikawa, Nihon University
K. Koyama, Nihon University

Seattle, WA

12:00 AM

A New Ultrasonic Transducer Combining Three Modes: High Axial Resolution, High Transverse Resolution and Standard Modes

Section: Ultrasonic Transducers (Liquid Coupled)

Daniel De Vadder, École Centrale Paris
Alain Lhémery, École Centrale Paris
Nicolas Gengembre, École Centrale Paris

Seattle, WA

12:00 AM

Acoustic Waves Generated by a Transient Point Source in an Anisotropic Medium: Comparison Between Theory and Experiment

Section: Ultrasonic Transducers (Liquid Coupled)

B. Audoin, Université Bordeaux I
A. Mourad, Université Bordeaux I
M. Deschamps, Université Bordeaux I

Seattle, WA

12:00 AM

Advances in the Theory and Practice of Squid NDE

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

A. Cochran, University of Strathclyde
G. B. Donaldson, University of Strathclyde
C. Carr, University of Strathclyde
D. McA. McKirdy, University of Strathclyde
M. E. Walker, University of Strathclyde
U. Klein, University of Strathclyde
J. Kuznik, Czech Academy of Sciences
A. McNab, University of Strathclyde

Seattle, WA

12:00 AM

Air-Coupled Ultrasonic Bulk Waves to Measure Elastic Constants in Composite Materials

Section: Ultrasonic Transducers (Air Coupled)

Bernard Hosten, Université Bordeaux I
David A. Hutchins, University of Warwick
David W. Schindel, Queen's University

Seattle, WA

12:00 AM

Air-Coupled Ultrasonic Transducers for the Detection of Defects in Plates

Section: Ultrasonic Transducers (Air Coupled)

M. Castaings, Imperial College
P. Cawley, Imperial College
R. Farlow, Strathclyde University
G. Hayward, Strathclyde University

Seattle, WA

12:00 AM

Air-Coupled Ultrasound and Leaky Lamb Waves in Composites

Section: Ultrasonic Transducers (Air Coupled)

A. Safaeinili, Iowa State University
O. I. Lobkis, Iowa State University
Dale E. Chimenti, Iowa State University

Seattle, WA

12:00 AM

Application of Self-Nulling Eddy Current Probe and Spin-Off Sensor Technologies to Airline Industries and Beyond

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

M. Namkung, National Aeronautics and Space Administration

Seattle, WA

12:00 AM

Broadband Fields Radiated in a Solid by Water-Coupled Transducers: A Comparison of Approximate Models, Numerical Approaches and Experiments

Section: Ultrasonic Transducers (Liquid Coupled)

Pierre Calmon, CE Saclay
Alain Lhémery, CE Saclay
Jérôme Nadal, CE Saclay

Seattle, WA

12:00 AM

Computer Assisted Eddy Current Probe Design

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

J. C. Chao, Iowa State University
A. N. S. Prasad, Iowa State University
Norio Nakagawa, Iowa State University
D. Raulerson, Pratt & Whitney

Seattle, WA

12:00 AM

Design and Optimization of a Multifunctional Phased Array Search Unit

Section: Ultrasonic Transducers (Liquid Coupled)

Martin Spies, Fraunhofer-Institute for Nondestructive Testing
Wolfgang Gebhardt, Fraunhofer-Institute for Nondestructive Testing
Michael Kröning, Fraunhofer-Institute for Nondestructive Testing
Michael H. Dalichow, Q-Net, Inc

Seattle, WA

12:00 AM

Determination of the Absolute Sensitivity Limit of a Piezoelectric Displacement Transducer

Section: Ultrasonic Transducers (Liquid Coupled)

E. S. Boltz, National Institute of Standards and Technology
C. M. Fortunko, National Institute of Standards and Technology

Seattle, WA

12:00 AM

Fidelity of Michelson Interferometric and Conical Piezoelectric Ultrasonic Transducers

Section: Ultrasonic Transducers (Liquid Coupled)

E. S. Boltz, National Institute of Standards and Technology
V. K. Tewary, National Institute of Standards and Technology
C. M. Fortunko, National Institute of Standards and Technology

Seattle, WA

12:00 AM

High Sensitivity AC Field Measurement Using Rhombic Inducer

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

D. Mirshekar-Syahkal, University of Essex
R. F. Mostafavi, University of Essex

Seattle, WA

12:00 AM

Inspection of Metallic Plates Using a Novel Remote Field Eddy Current NDT Probe

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

Y. S. Sun, Iowa State University
S. Udpa, Iowa State University
William Lord, Iowa State University
Lalita Udpa, Iowa State University

Seattle, WA

12:00 AM

Interrogating a Thin Layer of Heterogeneity with Confocal Transducers

Section: Ultrasonic Transducers (Liquid Coupled)

John G. Harris, University of Illinois at Urbana-Champaign
Douglasa A. Rebinsky, Rutgers University
Gerry Wickham, Brunei University

Seattle, WA

12:00 AM

Magneto-Optic/Eddy Current Imaging of Subsurface Corrosion and Fatigue Cracks in Aging Aircraft

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

G. L. Fitzpatrick, Physical Research, Inc.
D. K. Thome, Physical Research, Inc.
R. L. Skaugset, Physical Research, Inc.
W. C. L. Shih, Physical Research, Inc.

Seattle, WA

12:00 AM

Magnetoresistive Eddy-Current Sensor for Detecting Deeply Buried Flaws

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

William F. Avrin, Quantum Magnetics, Inc.

Seattle, WA

12:00 AM

Metal Diffusion Bonded Transducers for Resonant Ultrasound Spectroscopy (RUS)

Section: Ultrasonic Transducers (Liquid Coupled)

T. W. Darling, Los Alamos National Laboratory
A. Migliori, Los Alamos National Laboratory
R. D. Dixon, Los Alamos National Laboratory

Seattle, WA

12:00 AM

Modeling the Ultrasonic Radiation of Shear Wave Angle Beam Transducers

Section: Ultrasonic Transducers (Liquid Coupled)

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

Seattle, WA

12:00 AM

Non-Contact Ultrasonic Tomography Imaging Using Air-Coupled Capacitance Transducers

Section: Ultrasonic Transducers (Air Coupled)

W. M. D. Wright, University of Warwick
D. A. Hutchins, University of Warwick
D. W. Schindel, Queen's University

Seattle, WA

12:00 AM

Observation of Shear Wave Modes in the Echoes of the Longitudinal Wave Transducer

Section: Ultrasonic Transducers (Liquid Coupled)

Young H. Kim, Korea Research Institute of Science and Standards
Jeong Ki Lee, Korea Advanced Institute of Science and Technology
H. C. Kim, Korea Advanced Institute of Science and Technology

Seattle, WA

12:00 AM

Passive Pulsed Eddy Current Inspecticn of Sheet Metal

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

R. Hockey, Pacific Northwest Laboratory
D. Riechers, Pacific Northwest Laboratory
R. Ferris, Pacific Northwest Laboratory
R. Kelley, Pacific Northwest Laboratory

Seattle, WA

12:00 AM

Quantitative Materials Characterization of Elastic Plates Using Air-Coupled Leaky Lamb Waves

Section: Ultrasonic Transducers (Air Coupled)

Dale E. Chimenti, Iowa State University
A. Safaeindi, Iowa State University
O. I. Lobkis, Iowa State University

Seattle, WA

12:00 AM

Strategies for Characterizing Transducers and Measurement Systems

Section: Ultrasonic Transducers (Liquid Coupled)

R. Bruce Thompson, Iowa State University
Donald O. Thompson, Iowa State University
Lester W. Schmerr Jr., Iowa State University

Seattle, WA

12:00 AM

The Effect of Dust and Surface Roughness on the Efficiency of Solid Coupled Wheel Probes

Section: Ultrasonic Transducers (Liquid Coupled)

Bruce Drinkwater, Imperial College
Peter Cawley, Imperial College

Seattle, WA

12:00 AM

The Emergence of Extended Field Technology in the Air Force

Section: Electromagnetic Probes (EC, Remote Field, MOI, SQUID)

T. J. Braun, Systems Research Laboratories, Inc.
E. E. Keppler, Systems Research Laboratories, Inc.
L. S. Price, Uniwest Corporation
G. Nuxoll, Uniwest Corporation
M. Ghlen, Uniwest Corporation
M. Gehlen, Uniwest Corporation
D. Lyders, Pratt & Whitney
J. Henderson, United States Air Force
R. Stone, United States Air Force
B. Arispe, United States Air Force

Seattle, WA

12:00 AM

The Response of an Air-Coupled Ultrasonic Transducer for Various Backplates and Apertures

Section: Ultrasonic Transducers (Air Coupled)

A. G. Bashford, University of Warwick
D. A. Hutchins, University of Warwick
D. W. Schindel, Queen's University

Seattle, WA

12:00 AM

Transient Analysis of a Line-Focus Transducer Probing a Liquid/Solid Interface

Section: Ultrasonic Transducers (Liquid Coupled)

N. N. Hsu, National Institute of Standards and Technology
D. Xiang, National Institute of Standards and Technology
S. E. Fick, National Institute of Standards and Technology
G. V. Blessing, National Institute of Standards and Technology

Seattle, WA

12:00 AM

Wideband Nonuniformly Excited Focused Transducers — Theory and Experiments

Section: Ultrasonic Transducers (Liquid Coupled)

Alain Lhémery, École Centrale Paris
Daniel De Vadder, École Centrale Paris
Nicolas Gengembre, École Centrale Paris

Seattle, WA

12:00 AM