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1988
Friday, January 1st
12:00 AM

A Compact EMAT Receiver for Ultrasonic Testing at Elevated Temperatures

Section: Systems—Ultrasonic

L. R. Burns, Magnasonics, Inc.
G. A. Alers, Magnasonics, Inc.
D. T. MacLauchlan, Magnasonics, Inc.

Williamsburg, VA

12:00 AM

A Model for Ultrasound Transmission Through Graphite Composite Plates Containing Delaminations

Section: Composites—Defects

Frank J. Margetan, Iowa State University
T. A. Gray, Iowa State University
R. Bruce Thompson, Iowa State University
B. P. Newberry, Iowa State University

Williamsburg, VA

12:00 AM

A Noninvasive Optical Probe for Detecting Electrical Signals in Silicon IC’s

H. E. Heinrich, Stanford University
B. R. Hemenway, Stanford University
R. A. Marsland, Stanford University
D. M. Bloom, Stanford University

Williamsburg, VA

12:00 AM

A Novel Fabrication Technique for Prescribed Interior Cracks in a Metal

Section: Cracks and Deformations

David K. Hsu, Iowa State University
Donald O. Thompson, Iowa State University

Williamsburg, VA

12:00 AM

A Pulsed Eddy Current Method for Examining Thin-Walled Stainless Steel Tubing

Section: Systems—Eddy Current, X-ray

Chris A. Pickett, Martin Marietta Energy Systems, Inc.
D. W. Koerner, Martin Marietta Energy Systems, Inc.
W. E. Deeds, Martin Marietta Energy Systems, Inc.
C. V. Dodd, Martin Marietta Energy Systems, Inc.

Williamsburg, VA

12:00 AM

A Quantitative Nondestructive Evaluation Technique for Assessing the Compression-After-Impact Strength of Composites Plates

Section: Composites—Properties

Jonathan H. Gosse, Boeing Aerospace Company
Leroy R. Hause, Boeing Aerospace Company

Williamsburg, VA

12:00 AM

A Real-Time Ultrasonic Imaging System (ARIS) for Manual Inspection of Aircraft Composite Structures

Section: Systems—Ultrasonic

D. R. Hamlin, Southwest Research Institute
B. M. Jacobs, Southwest Research Institute
R. H. Peterson, Southwest Research Institute
W. R. Van der Veer, Southwest Research Institute
R. L. Spinks, Southwest Research Institute

Williamsburg, VA

12:00 AM

A Relationship between Frequency Dependent Ultrasonic Attenuation and Porosity in Composite Laminates

Section: Composites—Defects

M. S. Hughes, Washington University in St. Louis
S. M. Handley, Washington University in St. Louis
J. G. Miller
E. I. Madaras, National Aeronautics and Space Administration

Williamsburg, VA

12:00 AM

A Remote Laser System for Material Characterization at High Temperatures

Section: Systems—Ultrasonic

R. J. Dewhurst, University of Hull
C. Edwards, University of Hull
A. D. W. McKie, University of Hull
S. B. Palmer, University of Hull

Williamsburg, VA

12:00 AM

A Study of Strain-Induced Phase Transformations in TiNi Alloy by Electric Resistance Method

Section: Acoustoelasticity, Stress, and Texture

Yuan-Ti Muang, Beijing University of Iron and Steel Technology
Li-Lin Lu, Beijing University of Iron and Steel Technology
Lai-Zhi Zou, Beijing University of Iron and Steel Technology
Wang-Yu You, Beijing University of Iron and Steel Technology

Williamsburg, VA

12:00 AM

Acoustic Characterization of Curing Processes Using Waveguides Embedded within Polymers

Section: Process Control

R. T. Harrold, Westinghouse
Z. N. Sanjana, Westinghouse

Williamsburg, VA

12:00 AM

Acoustic Emission from Macro-Microcrack Configurations

Section: Cracks and Deformations

Ch. Zhang, Northwestern University
J. D. Achenbach, Northwestern University

Williamsburg, VA

12:00 AM

Acoustic Emissions at an Open Crack

Section: Cracks and Deformations

John A. Johnson, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Acoustoelastic Responses of an Elastoplastically Deformed Body

Section: Acoustoelasticity, Stress, and Texture

Tsung-Tsong Wu, Cornell University
Yih-Hsing Pao, Cornell University

Williamsburg, VA

12:00 AM

Acoustoelastic Wave Velocity in Metal Matrix Composite under Thermal Loading

Section: Acoustoelasticity, Stress, and Texture

Chian-Fong Yen, Materials Sciences Corporation
Sailendra N. Chatterjee, Materials Sciences Corporation

Williamsburg, VA

12:00 AM

Acoustoelasticity Using Surface Waves in Slightly Anisotropic Materials

Section: Acoustoelasticity, Stress, and Texture

G. T. Mase, University of Wyoming
P. P. Delsanto, Politecnico di Torino

Williamsburg, VA

12:00 AM

An Automated System for Mapping Autohesion and Other Joining Related Defects in Polyethylene Heat-Fused Pipe Joints

Section: Systems—Ultrasonic

Larry J. House, Battelle

Williamsburg, VA

12:00 AM

An Eddy Current Sensor for the Measurement of Resistivity and Temperature of Aluminum Rod during Extrusion Processing

Section: Process Control

Arnold H. Kahn, National Bureau of Standards
Michael L. Mester, The Aluminum Association, Inc.

Williamsburg, VA

12:00 AM

Analysis of a Semi-Automatic System for the Ultrasonic Measurement of Texture

Section: Systems—Ultrasonic

S. J. Wormley, Iowa State University
R. Bruce Thompson, Iowa State University
Y. Li, Iowa State University

Williamsburg, VA

12:00 AM

Application of Eddy Current Principles for Measurement of Tube Centerline Deflection

Section: Systems—Eddy Current, X-ray

E. J. Chern, Martin Marietta Laboratories

Williamsburg, VA

12:00 AM

Application of SH and Lamb Wave Emat’s for Evaluation of Adhesive Joint in Thin Plate

Section: Adhesive Bonds

F. He, Ohio State University
S. I. Rohklin, Ohio State University
L. Adler, Ohio State University

Williamsburg, VA

12:00 AM

Application of the Grain Boundary Internal Friction Peak to the Determination of Optimum Deformation Conditions of a Superplastic Alloy

Section: Properties

Kunihiko Iwasaki, Rikagaku Kenkyūsho
Shichung Yan, Academia Sinica
Yiting Wen, Academia Sinica
Lide Zhang, Academia Sinica

Williamsburg, VA

12:00 AM

Application of the Nonlinear Harmonics Method to Continuous Measurement of Stress in Railroad Rail

Section: Acoustoelasticity, Stress, and Texture

G. L. Burkhardt, Southwest Research Institute
H. Kwun, Southwest Research Institute

Williamsburg, VA

12:00 AM

Application of Ultrasonic Pod Models

Section: Reliability

T. A. Gray, Iowa State University
F. Amin, Iowa State University
R. Bruce Thompson, Iowa State University

Williamsburg, VA

12:00 AM

Averaging Techniques and Ultrasonic Pole Figures

Section: Acoustoelasticity, Stress, and Texture

J. F. Smith, Iowa State University
Y. Li, Iowa State University
R. Bruce Thompson, Iowa State University

Williamsburg, VA

12:00 AM

Backscatter from Porosity in Cross-Ply Composites

Section: Composites—Defects

J. Qu, Northwestern University
J. D. Achenbach, Northwestern University

Williamsburg, VA

12:00 AM

Characterization of Cracks in Thick Plates by Lamb Wave Diffraction Studies

Section: Cracks and Deformations

Joseph Paffenholz, University of Colorado
Ivan C. Getting, University of Colorado
Harmut A. Spetzler, University of Colorado

Williamsburg, VA

12:00 AM

Characterization of Film Adhesion by Acoustic Microscopy

Section: Adhesive Bonds

A. K. Mal, University of California, Los Angeles
R. D. Weglein

Williamsburg, VA

12:00 AM

Characterization of Porosity in Continuous Fiber-Reinforced Composites with Ultrasonic Backscatter

Section: Composites—Defects

Ronald A. Roberts, Argonne National Laboratory

Williamsburg, VA

12:00 AM

Complete Evaluation of Residual Stress States Using Acoustoelasticity

Section: Acoustoelasticity, Stress, and Texture

G. C. Johnson, Unviersity of California, Berkeley
J. J. Dike, University of California, Berkeley

Williamsburg, VA

12:00 AM

Computer Aided Ultrasonic Porosity Assessment for Cast Aluminum Alloy

Section: Systems—Ultrasonic

David V. Rypien, Ohio State University
Alan Sprague, Ohio State University
Laszlo Adler, Ohio State University

Williamsburg, VA

12:00 AM

Correlation of Thin-Film Bond Compliance and Bond Fracture Resistance

R. C. Addison Jr., Rockwell International Science Center
D. B. Marshall, Rockwell International Science Center

Williamsburg, VA

12:00 AM

Crystallographic Texture in Rolled Aluminum Plates: Neutron Pole Figure Measurements

Section: Acoustoelasticity, Stress, and Texture

R. C. Reno, National Bureau of Standards
R. J. Fields, National Bureau of Standard
A. V. Clark Jr., National Bureau of Standards

Williamsburg, VA

12:00 AM

Cure Control: Strategies for Using Dielectric Sensors

Section: Process Control

David R. Day, Micromet Instruments, Inc.

Williamsburg, VA

12:00 AM

Defect Detection and Quantification in Laminated Composites by EATF (Passive) Thermography

Section: Composites—Defects

Philip V. McLaughlin Jr., Villanova University

Williamsburg, VA

12:00 AM

Design of a System of Inspection Assisted by Microprocessor (SIAM) for Adhesive Bonded Composite Structures

Section: Systems—Ultrasonic

J. L. Arnaud, Aerospatiale
M. Floret, Aerospatiale
D. Lecuru, Aerospatiale

Williamsburg, VA

12:00 AM

Determination of Delaminations in Adhesively Bonded Layers under Compression

Section: Adhesive Bonds

N. K. Batra, United States Navy
H. H. Chaskelis, United States Navy

Williamsburg, VA

12:00 AM

Eddy Current Measurement of Density During Hot Isostatic Pressing

Section: Process Control

H. N. G. Wadley, National Bureau of Standards
Arnold H. Kahn, National Bureau of Standards
Y. Gefen, National Bureau of Standards
M. Mester, National Bureau of Standards

Williamsburg, VA

12:00 AM

Eddy Current Probe Impedances Due to Interaction with Advanced Composites

Section: Composites—Properties

John R. Bowler, Sabbagh Associates, Inc.
Harold A. Sabbagh, Sabbagh Associates, Inc.
L. David Sabbagh, Sabbagh Associates, Inc.

Williamsburg, VA

12:00 AM

Effect of Bottom-Surface Reflections on Backscatter from Porosity in a Composite Layer

Section: Composites—Defects

T. Ohyoshi, Akita University
J. D. Achenbach, Northwestern University

Williamsburg, VA

12:00 AM

Effects of Imperfect Interfaces on Acoustic Transmission and Diffraction

Section: Bonds and Interfaces

David K. Rehbein, Iowa State University
L. Van Wyk, Iowa State University
R. Bruce Thompson, Iowa State University
Otto Buck, Iowa State University

Williamsburg, VA

12:00 AM

Elastic Constant Determination Using Generation by Pulsed Laser

Section: Properties

L. F. Bresse, Queens University
D. A. Hutchins, Queens University
K. Lundgren, Queens University

Williamsburg, VA

12:00 AM

Elastic Wave Dispersion in Laminated Composite Plate

Section: Composites—Properties

Subhendu K. Datta, University of Colorado
Arvind H. Shah, University of Manitoba
Y. Al-Nassar, Unviersity of Colorado
R. L. Bratton, University of Colorado

Williamsburg, VA

12:00 AM

Energy Distribution for SH-Waves in Slightly Anisotropic Materials

Section: Acoustoelasticity, Stress, and Texture

R. B. Mignogna, United States Navy
P. P. Delsanto, Politecnico di Torino
A. V. Clark, National Bureau of Standards

Williamsburg, VA

12:00 AM

Evaluation of Solder Bonds in a Silicon Flip Chip Device

J. T. Fanton, Stanford University
C.-H. Chou, Stanford University
B. T. Khuri-Yakub, Stanford University
G. S. Kino, Stanford University

Williamsburg, VA

12:00 AM

Experimental Validation of Models Applicable to the Ultrasonic Inspection of Nuclear Components

Section: Reliability

B. P. Newberry, Iowa State University
Frank J. Margetan, Iowa State University
R. Bruce Thompson, Iowa State University

Williamsburg, VA

12:00 AM

Flaw Detection in Railroad Wheels Using Rayleigh-Wave EMATS

Section: Systems—Ultrasonic

R. E. Schramm, National Bureau of Standards
A. V. Clark Jr., National Bureau of Standards
D. V. Mitrakovic, National Bureau of Standards
P. J. Shull, National Bureau of Standards

Williamsburg, VA

12:00 AM

High Resolution Holographic Contouring

James W. Wagner, Johns Hopkins University

Williamsburg, VA

12:00 AM

Human Factors Impact on NDE Reliability

Section: Reliability

J. C. Spanner Sr., Pacific Northwest Laboratory

Williamsburg, VA

12:00 AM

Imaging of Impact Damage in Composite Materials

Section: Composites—Defects

B. G. Frock, University of Dayton
R. W. Martin, University of Dayton
T. J. Moran, Wright-Patterson Air Force Base
K. D. Shimmin, Systran Corp.

Williamsburg, VA

12:00 AM

Imaging Subtle Microstructural Variations in Ceramics with Precision Ultrasonic Velocity and Attenuation Measurements

Section: Properties

Edward R. Generazio, National Aeronautics and Space Administration
Don J. Roth, National Aeronautics and Space Administration
George Y. Baaklini, National Aeronautics and Space Administration

Williamsburg, VA

12:00 AM

In-Process Radiography of ARC Weld

Section: Process Control

S. I. Rokhlin, Ohio State University
A. C. Guu, Ohio State University
D. E. Applegate, Ohio State University

Williamsburg, VA

12:00 AM

Inspecting Advanced Composite Materials at Ultrasonic Frequencies from 2 Megahertz to 2 Gigahertz

Section: Composites—Properties

Graham Thomas, Sandia National Laboratories
Ben C. Odegard, Sandia National Laboratories

Williamsburg, VA

12:00 AM

Interfaces: The Next NDE Challenge

Section: Adhesive Bonds

H. N. G. Wadley, National Bureau of Standards

Williamsburg, VA

12:00 AM

Laser Optic Vibration Sensing for the Inspection of Bonds in the Orbiter Thermal Protection Tiles

Section: Properties

B. A. Barna, EG&G Idaho, Inc.
R. T. Allemeier, EG&G Idaho, Inc.
J. G. Rodiguez, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Laser Sound Generation in a Weld Pool

Section: Ferromagnetic Materials and Weldments

Nancy M. Carlson, EG&G Idaho, Inc.
John A. Johnson, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Laser-Ultrasonics for Industrial Applications

Section: Systems—Ultrasonic

Jean-Pierre Monchalin, National Research Council of Canada
Jean-Daniel Aussel, National Research Council of Canada
Paul Bouchard, National Research Council of Canada
René Héon, National Research Council of Canada

Williamsburg, VA

12:00 AM

Measurement of Stress in Steel Structures with SH Wave EMATS

Section: Acoustoelasticity, Stress, and Texture

D. T. MacLauchlan, Magnasonics, Inc.
L. R. Burns, Magnasonics, Inc.
G. A. Alers, Magnasonics, Inc.

Williamsburg, VA

12:00 AM

Mechanical Strength Degradation of Graphite Fiber Reinforced Thermoset Composites Due to Porosity

Section: Composites—Defects

K. M. Uhl, Iowa State University
B. Lucht, Iowa State University
H. Jeong, Iowa State University
David K. Hsu, Iowa State University

Williamsburg, VA

12:00 AM

Methodology for Analysis and Characterization of Nondestructive Inspection Capability Data

Section: Reliability

W. D. Rummel, Martin Marietta Aeronautics Group
B. K. Christner, Martin Marietta Aeronautics Group
D. L. Long, Martin Marietta Aeronautics Group

Williamsburg, VA

12:00 AM

Microstructure Characterization with a Pulsed Laser Ultrasonic Source

Section: Properties

Ken Telschow, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Modeling of Laser Ultrasound Generation in a Weld Pool

Section: Ferromagnetic Materials and Weldments

John A. Johnson, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Near-Real-Time Radiography Detects 0.1% Changes in Areal Density with 1-Millimeter Spatial Resolution

Section: Systems—Eddy Current, X-ray

David M. Stupin, Los Alamos National Laboratory

Williamsburg, VA

12:00 AM

Noncontact Temperature Measurements of Hot Steel Bodies Using an Electromagnetic Acoustic Transducer (EMAT)

Section: Systems—Ultrasonic

Donald M. Boyd, Pacific Northwest Laboratory
Paul D. Sperline, Pacific Northwest Laboratory

Williamsburg, VA

12:00 AM

Nondestructive Characterization of Ceramic Composite Whiskers with Neutron Diffraction and Ultrasonic Techniques

Section: Composites—Properties

D. S. Kupperman, Argonne National Laboratory
S. Majumdar, Argonne National Laboratory
S. R. MacEwan, Argonne National Laboratory
R. L. Hitterman, Argonne National Laboratory
J. P. Singh, Argonne National Laboratory
J. L. Routbort, Argonne National Laboratory

Williamsburg, VA

12:00 AM

Nondestructive Evaluation of Adhesive Bonds Using Leaky Lamb Waves

Section: Adhesive Bonds

Cecil M. Teller, Texas Research Institute
K. Jerome Diercks, Texas Research Institute
Yoseph Bar-Cohen, Douglas Aircraft Company
Nick N. Shah, Douglas Aircraft Company

Williamsburg, VA

12:00 AM

Nondestructive Evaluation of Fiber Composite Laminates by Thermoelastic Emission

Section: Composites—Defects

C. E. Bakis, Virginia Polytechnic Institute and State University
K. L. Reifsnider, Virginia Polytechnic Institute and State University

Williamsburg, VA

12:00 AM

Nondestructive Evaluation of Temper Embrittlement in HY80 Steel

Section: Ferromagnetic Materials and Weldments

S. G. Allison, National Aeronautics and Space Administration
W. T. Yost, National Aeronautics and Space Administration
J. H. Cantrell, National Aeronautics and Space Administration
D. F. Hasson, United States Naval Academy

Williamsburg, VA

12:00 AM

Nondestructive Residual Stress Measurements in Railroad Wheels Using the Low-Field Magnetoacoustic Test Method

Section: Acoustoelasticity, Stress, and Texture

M. Namkung, National Aeronautics and Space Administration
D. Utrata, Association of American Railroads

Williamsburg, VA

12:00 AM

Objective Ultrasonic Characterization of Welding Defects Using Physically Based Pattern Recognition Techniques

Section: Ferromagnetic Materials and Weldments

S. F. Burch, Harwell Laboratory

Williamsburg, VA

12:00 AM

On-Line Fatigue Crack Growth Monitoring in Externally Pressurised Vessels Using the Alternating Current Potential Drop (ACPD) Technique

Section: Cracks and Deformations

F. Livingstone, Admiralty Research Establishment
I. M. Kilpatrick, Admiralty Research Establishment

Williamsburg, VA

12:00 AM

Practical Application of State-of-the-Art NDE Techniques: Evaluation of Graphite-Epoxy Composite Wing Covers

Section: Composites—Properties

Patrick H. Johnston, National Aeronautics and Space Administration
Doron Kishoni, National Aeronautics and Space Administration

Williamsburg, VA

12:00 AM

Precision Ultrasonic Thickness Measurements of Thin Steel Disks

Section: Process Control

G. V. Blessing, National Bureau of Standards
D. G. Eitzen, National Bureau of Standards
J. F. Henning, National Bureau of Standards
A. V. Clark Jr., National Bureau of Standards
R. E. Schramm, National Bureau of Standards

Williamsburg, VA

12:00 AM

Prediction of the Probability of Eddy Current Flaw Detection

Section: Reliability

R. E. Beissner, Southwest Research Institute
K. A. Bartels, Southwest Research Institute
J. L. Fisher, Southwest Research Institute

Williamsburg, VA

12:00 AM

Proficiency Evaluation of NDE Personnel Utilizing the Ultrasonic Methodology

Section: Reliability

Mark K. Davis, United States Air Force

Williamsburg, VA

12:00 AM

QNDE of a 3-D Carbon-Carbon Composite Using Photoacoustic Microscopy

Section: Composites—Properties

Tasdiq Ahmed, Southern Illinois University at Carbondale
Kenneth W. Johnson, Southern Illinois University at Carbondale
Aldo Migione, Southern Illinois University at Carbondale
John W. Monzyk, Southern Illinois University at Carbondale
Gouliang Yang, Southern Illinois University at Carbondale
Maqsood uz Zaman, Southern Illinois University at Carbondale
Jarlen Don, Southern Illinois University at Carbondale

Williamsburg, VA

12:00 AM

Quantitative Eddy Current Variants for Micromagnetic Microstructure Multiparameter Analysis (3MA)

Section: Systems—Eddy Current, X-ray

Gerd Dobmann, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University
Rainer Becker, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University
Christoph Rodner, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University

Williamsburg, VA

12:00 AM

Quantitative Hardening-Depth-Measurements Up to 4 mm by Means of Micro-Magnetic Microstructure Multiparameter Analysis (3MA)

Section: Ferromagnetic Materials and Weldments

Gerd Dobmann, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University
Rolf Kern, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University
Iris Altpeter, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University
Warner Theiner, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren University

Williamsburg, VA

12:00 AM

Quantitative Nondestructive Evaluation of Adhesive Bond Strength

Section: Adhesive Bonds

Jonathan H. Gosse, Boeing Aerospace Company
Leroy R. Hause, Boeing Aerospace Company

Williamsburg, VA

12:00 AM

Recent Developments in the Ames Magnetic Testing Facility

Section: Systems—Eddy Current, X-ray

David C. Jiles, Iowa State University

Williamsburg, VA

12:00 AM

Reflection of Ultrasonic Waves by an Imperfect Diffusion Bond

Section: Bonds and Interfaces

D. A. Sotiropoulos, Northwestern University
J. D. Achenbach, Northwestern University

Williamsburg, VA

12:00 AM

Scattering Induced Attenuation of Ultrasonic Backscattering

Section: Properties

Peter B. Nagy, Ohio State University
Laszlo Adler, Ohio State University

Williamsburg, VA

12:00 AM

Search for NDE Methods to Characterize Thermal History and Mechanical Properties of Al-Li Alloys

Section: Properties

D. J. Bracci, Iowa State University
P. Garikepati, Iowa State University
David C. Jiles, Iowa State University
Otto Buck, Iowa State University

Williamsburg, VA

12:00 AM

Semiconductor Dimensional Metrology Using the Scanning Electron Microscope

S. G. Utterback, IBM

Williamsburg, VA

12:00 AM

Sensitivity of an Ultrasonic Technique for Axial Stress Determination

Section: Acoustoelasticity, Stress, and Texture

B. Cunningham, JAG Industries
A. C. Holt, University of California, Berkeley
G. C. Johnson, University of California, Berkeley

Williamsburg, VA

12:00 AM

Spatially Resolved Non-Contact Bulk and Surface Photovoltage Response in Semiconductors

Daniel Guidotti, IBM

Williamsburg, VA

12:00 AM

Statistical Evaluation of NDE Reliability in the Aerospace Industry

Section: Reliability

Peter W. Hovey, Unviersity of Dayton
Alan P. Berens, University of Dayton

Williamsburg, VA

12:00 AM

Strain Dependence of the Magnetic Properties of AISI 4130 and 4140 Alloy Steels

Section: Ferromagnetic Materials and Weldments

D. C. Jiles, Iowa State University
D. Utrata, Association of American Railroads

Williamsburg, VA

12:00 AM

Strength and Ultrasonic Characterization of Metallic Interfaces

Section: Bonds and Interfaces

D. D. Palmer, Iowa State University
C. D. Roberts, Iowa State University
David K. Rehbein, Iowa State University
J. F. Smith, Iowa State University
Otto Buck, Iowa State University

Williamsburg, VA

12:00 AM

Sub-Bandgap Laser Probing of GaAs Devices and Circuits

D. M. Mechtel, Johns Hopkins University
A. G. Andreou, Johns Hopkins University
D. N. Christodoulides, Johns Hopkins University
J. Wagner, Johns Hopkins University
C. R. Westgate, Johns Hopkins University
C. H. Palmer, Johns Hopkins University
T. O. Poehler, Johns Hopkins University

Williamsburg, VA

12:00 AM

The Digitization of NDT Radiographs Using a Laser Scanner for Improved Productivity

Section: Systems—Eddy Current, X-ray

W. A. Graeme Jr., E. I. du Pont de Nemours & Company, Inc.

Williamsburg, VA

12:00 AM

The Influence of Interfacial Conditions on the Ultrasonic Wave Interaction with Multilayered Media

Section: Adhesive Bonds

Adrian H. Nayfeh, University of Cincinnati
Timothy W. Taylor, University of Cincinnati

Williamsburg, VA

12:00 AM

The Influence of Material Dissipation and Imperfect Bonding on Acoustic Wave Reflection from Layered Solids

Section: Adhesive Bonds

A. K. Mal, University of California, Los Angeles
C.-C. Yin, University of California, Los Angeles
Yoseph Bar-Cohen, Douglas Aircraft Company

Williamsburg, VA

12:00 AM

The Use of Ultrasonic Harmonic Generation to Determine Crack Opening Conditions in Compact Tension Specimens

Section: Cracks and Deformations

William T. Yost, National Aeronautics and Space Administration
Min Namkung, National Aeronautics and Space Administration
S. G. Allison, National Aeronautics and Space Administration

Williamsburg, VA

12:00 AM

Thermographic Detection of Buried Debonds

Section: Composites—Defects

M. T. Quinn, The Aerospace Corporation
J. R. Hribar, The Aerospace Corporation
R. L. Ruiz, The Aerospace Corporation
G. F. Hawkins, The Aerospace Corporation

Williamsburg, VA

12:00 AM

Ultrasonic Characterization of Ceramic-Ceramic Composites

Section: Composites—Properties

J. B. Walter, EG&G Idaho, Inc.
L. A. Lott, EG&G Idaho, Inc.
K. L. Telschow, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Ultrasonic Characterization of Microspherical Inclusions in Zirconia and Crystallized Glass

Section: Properties

A. Stockman, McMaster University
P. S. Nicholson, McMaster University

Williamsburg, VA

12:00 AM

Ultrasonic Characterization of Nonuniform Porosity Distributions in SiC Ceramic

Section: Properties

Ken Telschow, EG&G Idaho, Inc.
John Walter, EG&G Idaho, Inc.
Dennis Kunerth, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

Ultrasonic Characterization of Solid-Solid Bonds from Microstructural Changes

Section: Bonds and Interfaces

James H. Rose, Iowa State University

Williamsburg, VA

12:00 AM

Ultrasonic Evaluation of the Nonlinearity of Metals from a Design Perspective

Section: Properties

T. E. Wong, University of California, Berkeley
G. C. Johnson, University of California, Berkeley

Williamsburg, VA

12:00 AM

Ultrasonic Measurements of Porosity in Woven Graphite Polyimide Composites

Section: Composites—Defects

David K. Hsu, Iowa State University

Williamsburg, VA

12:00 AM

Ultrasonic Methods for Characterizing the Interface in Composites

Section: Adhesive Bonds

J. A. Simmons, National Bureau of Standards
E. Drescher-Krasicka, National Bureau of Standards
H. N. G. Wadley, National Bureau of Standards
M. Rosen, Johns Hopkins University
T. M. Hsieh, Johns Hopkins University

Williamsburg, VA

12:00 AM

Ultrasonic Methods of Texture Monitoring for Characterization of Formability of Rolled Aluminum Sheet

Section: Acoustoelasticity, Stress, and Texture

A. V. Clark, National Bureau of Standards
G. V. Blessing, National Bureau of Standard
R. Bruce Thompson, Iowa State University
J. F. Smith, Iowa State University

Williamsburg, VA

12:00 AM

Ultrasonic NDE of Laser-Damaged Organo-Matrix Composites

Section: Composites—Defects

B. R. Tittmann, Rockwell International Science Center
R. Houston, Rockwell International Science Center
B. Hosten, University of Bordeaux

Williamsburg, VA

12:00 AM

Ultrasonic NDE Techniques for Integrally Fabricated Rotors

Section: Bonds and Interfaces

T. A. Gray, Iowa State University
Frank J. Margetan, Iowa State University
R. Bruce Thompson, Iowa State University

Williamsburg, VA

12:00 AM

Ultrasonic Non-Destructive Evaluation of Solid State Welds

Section: Bonds and Interfaces

Graham Thomas, Sandia National Laboratories
Jay Spingam, Sandia National Laboratories

Williamsburg, VA

12:00 AM

Ultrasonic Transducer Characterization Station

Section: Systems—Ultrasonic

W. D. Jolly, Southwest Research Institute
F. A. Bruton, Southwest Research Institute
C. Fedor, Southwest Research Institute

Williamsburg, VA

12:00 AM

Use of Marginal Oscillator for Acoustic Monitoring of Curing of Epoxy Resin

Section: Process Control

Lewis J. Thomas, General Electric

Williamsburg, VA

12:00 AM

Vibrothermographic NDE of Fiberous Composites

Section: Composites—Defects

S. S. Russell, University of South Carolina
S. S. Lin, Virginia Polytechnic Institute and State University
E. G. Henneki II, Virginia Polytechnic Institute and State University

Williamsburg, VA

12:00 AM

Wednesday Evening Session XIX ‘Town Meeting on a Working Group in NDE’

Dale E. Chimenti, Wright-Patterson Air Force Base
W. D. Rummel, Martin Marietta Aeronautics Group
R. Bruce Thompson, Iowa State University

Williamsburg, VA

12:00 AM

White Beam Synchrotron X-Ray Topography of Gallium Arsenide

John M. Winter Jr., Johns Hopkins University
Robert E. Green Jr., Johns Hopkins University
William S. Corak, Westinghouse

Williamsburg, VA

12:00 AM

X-Ray Diffraction Stress Analysis as an NDE Technique

Section: Acoustoelasticity, Stress, and Texture

E. B. S. Pardue, Technology for Energy Corporation
R. H. McSwain, United States Navy

Williamsburg, VA

12:00 AM