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1991
Tuesday, January 1st
12:00 AM

A New Infrared Measurement Method for Determination of Anisotropic Thermal Conductivities of Plastic Foils

Section: Properties

Jukka Rantala, University of Helsinki
Jari Hartikainen, University of Helsinki
Jussi Jaarinen, Neste OY

La Jolla, CA

12:00 AM

A Parametric Finite Element Study of a Generic Crack Sizing Problem

Section: Non-Linear Acoustic Properties

M. G. Wismer, Worcester Polytechnic Institute
P. L. Levin, Worcester Polytechnic Institute
R. Ludwig, Worcester Polytechnic Institute

La Jolla, CA

12:00 AM

A Technique for Quantitatively Measuring Microstructurally Induced Ultrasonic Noise

Section: Properties

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

La Jolla, CA

12:00 AM

AC Magnetic Field Amplitude Dependence of Magnetoacoustic Emission Spectra and Effects of Temper Embrittlement of HY80 Steel

Section: Ferrous Materials and Methods

M. Namkung, National Aeronautics and Space Administration
R. DeNale, David Taylor Research Center
R. G. Todhunter, AS&M, Inc.

La Jolla, CA

12:00 AM

Acoustic Emission Monitoring of a Ground Durability and Damage Tolerance Test

Section: Non-Linear Acoustic Properties

Stuart McBride, Royal Military College of Canada
Melvyn Viner, Royal Military College of Canada
Michael Pollard, Royal Military College of Canada

La Jolla, CA

12:00 AM

Acoustic Emissions from Microindentation Fracture Toughness Tests

Section: Non-Linear Acoustic Properties

B. Boodey, United States Navy
W. R. Scott, United States Navy
D. M. Granata, United States Navy
G. M. Connelly, Lehigh University

La Jolla, CA

12:00 AM

Acoustic Nonlinearities Produced by a Single Macroscopic Fracture in Granite

Section: Non-Linear Acoustic Properties

Brian P. Bonner, Lawrence Livermore National Laboratory
B. J. Wanamaker, Lawrence Livermore National Laboratory

La Jolla, CA

12:00 AM

Acoustic Nonlinearity in Dispersive Solids

Section: Non-Linear Acoustic Properties

John H. Cantrell, National Aeronautics and Space Administration
William T. Yost, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Acoustic Nonlinearity in Metal — Matrix Composites

Section: Non-Linear Acoustic Properties

H. Mohrbacher, University of Houston
D. Lee, University of Houston
E. Schneider, Fraunhofer Institute for Nondestructive Testing
K. Salama, University of Houston

La Jolla, CA

12:00 AM

Anharmonicity, Piezoelectricity, and Solid State Nonlinearity

Section: Non-Linear Acoustic Properties

M. A. Breazeale, University of Mississippi

La Jolla, CA

12:00 AM

Applications of Ultrasonic Microscopy to the Evaluation of Ceramic Materials

Section: Properties

Derek Sturges, General Electric
Claudio Cappabianca, ENEA—Italian National Agency for New Technologies, Energy and Sustainable Economic Development
Janet Minter, Allied-Signal Aerospace Company

La Jolla, CA

12:00 AM

Characterization of Microstructural Effects on Fatigue Crack Closure

Section: Non-Linear Acoustic Properties

David K. Rehbein, Iowa State University
Dan J. Barnard, Iowa State University
Otto Buck, Iowa State University

La Jolla, CA

12:00 AM

Comparison of the Continuum Model Approach of Acoustic Wave Propagation to Discrete Model Approach: Application to Acoustoelasticity

Section: Acoustoelasticity, Stress and Texture

B. de Halleux, Catholic University of Louvain
A. Kheder, Catholic University of Louvain

La Jolla, CA

12:00 AM

Crack Initiation and Arrest under Dynamic Loading

Section: Non-Linear Acoustic Properties

Xiaogong Lewis, Applied Research Associates, Inc.
Laurence J. Jacobs, Georgia Institute of Technology
Maciej P. Bieniek, Columbia University

La Jolla, CA

12:00 AM

Detection of Magnetic Oxide Filled Cracks in Steel

Section: Non-Linear Acoustic Properties

Mary T. Quinn, The Aerospace Corporation
Gary F. Hawkins, The Aerospace Corporation

La Jolla, CA

12:00 AM

Detection of Temper Embrittlement in Steels using Magnetic Inspection Methods

Section: Ferrous Materials and Methods

David C. Jiles, Iowa State University
J. B. Thoelke, Iowa State University
W. G. Clark, Westinghouse Electric Corp.
J. N. Iyer, Westinghouse Electric Corp.
R. DeNale, Westinghouse Electric Corp.

La Jolla, CA

12:00 AM

Determination of Elastic Constants of Anisotropic Materials from Oblique Angle Ultrasonic Measurements I: Analysis

Section: Properties

Richard B. Mignogna, United States Navy

La Jolla, CA

12:00 AM

Determination of Elastic Constants of Anisotropic Materials from Oblique Angle Ultrasonic Wave Measurements II: Experimental

Section: Properties

Richard B. Mignogna, United States Navy
N. K. Batra, United States Navy
K. E. Simmonds, United States Navy

La Jolla, CA

12:00 AM

Determination of Elastic Constants of Anisotropic Solids from Group Velocity Data

Section: Properties

A. G. Every, Cornell University
Wolfgang Sachse, Cornell University
K. Y. Kim, Cornell University
Lin Niu, Cornell University

La Jolla, CA

12:00 AM

Development of Magnetic Inspection Techniques for Evaluation of Fatigue Damage and Stress in Low Alloy Steels

Section: Ferrous Materials and Methods

M. K. Devine, Iowa State University
S. Hariharan, Iowa State University
Lisa J. H. Brasche, Iowa State University
David C. Jiles, Iowa State University

La Jolla, CA

12:00 AM

Digital Radioscopic Examination of Ancient Bronze Castings

Section: Properties

Derek Sturges, General Electric
Kathleen McQueeney, General Electric
Ellen Avril, Cincinnati Art Museum
Stephen Bonadies, Cincinnati Art Museum

La Jolla, CA

12:00 AM

Effects of Uniaxial Stress on Magnetoacoustic Emission Spectra of Steel

Section: Acoustoelasticity, Stress and Texture

M. Namkung, National Aeronautics and Space Administration
D. Utrata, Association of American Railroads
R. DeNale, David Taylor Research Center
J. L. Grainger, AS&M, Inc.

La Jolla, CA

12:00 AM

Electronic Speckle Pattern Interferometry in Characterizing Rock Fracture

Section: Properties

A. K. Maji, University of New Mexico
J. L. Wang, University of New Mexico

La Jolla, CA

12:00 AM

Experimental Plate Wave Dispersion Analysis

Section: Non-Linear Acoustic Properties

Steven M. Ziola, Naval Postgraduate School
Michael R. Gorman, Naval Postgraduate School

La Jolla, CA

12:00 AM

Higher Order Nonlinearity Measurement Techniques in Thin Adhesive Layer

Section: Non-Linear Acoustic Properties

Paul McGowan, Ohio State University
Laszlo Adler, Ohio State University

La Jolla, CA

12:00 AM

Influence of Microstructure on Ultrasonic Velocity in Nimonic Alloy PE16

Section: Properties

T. H. Jayakumar, Indira Gandhi Center for Atomic Research
B. Raj, Indira Gandhi Centre for Atomic Research
H. Willems, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren
W. Arnold, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren

La Jolla, CA

12:00 AM

Leaky Rayleigh Wave Inspection under Surface Layers

Section: Non-Linear Acoustic Properties

G. Hughes, University College London
Leonard J. Bond, University Colorado Boulder

La Jolla, CA

12:00 AM

Measurement of Material Constants for the Surface Impedance Boundary Condition

Section: Properties

A. M. Lewis, University College London

La Jolla, CA

12:00 AM

Measurement of the Hydride Content in Zr-Nb Pressure Tubes by the Third Order Elastic Constants

Section: Properties

George A. Alers, Magnasonics, Inc.
Michael Moles, Ontario Hydro

La Jolla, CA

12:00 AM

Microstress Contrast in Scanning Electron Acoustic Microscopy of Ceramics

Section: Non-Linear Acoustic Properties

John H. Cantrell, University of Cambridge
Menglu Qian, Tongji University

La Jolla, CA

12:00 AM

Microwave Thickness Measurements of Magnetic Coatings

Section: Ferrous Materials and Methods

D. D. Palmer, McDonnell Douglas Corporation
V. R. Ditton, McDonnell Douglas Corporation

La Jolla, CA

12:00 AM

Non Linear Correlation between Statistically Sensitive Ultrasonic Features and the Strength of Composite Adhesive Joints

Section: Non-Linear Acoustic Properties

P. A. Dickstein, University of Toronto
A. N. Sinclair, University of Toronto
S. Girshovich, Israel Aircraft Industries
Y. Sternberg, Israel Aircraft Industries
H. Leibovitch, Israel Aircraft Industries
A. Notea, Technion—Israel Institute of Technology

La Jolla, CA

12:00 AM

Nondestructive Determination of Hardening Depth in Induction Hardened Components by Ultrasonic Backscattering

Section: Properties

H. Willems, Fraunhofer-Institut für zerstörungsfreie Prüfverfahren

La Jolla, CA

12:00 AM

Nondestructive Methods for Determination of Mechanical Properties of Aluminum and Titanium Alloys

Section: Properties

Lisa J. H. Brasche, Iowa State University
Otto Buck, Iowa State University

La Jolla, CA

12:00 AM

Nonlinear Acoustics, a Technique to Determine Microstructural Changes in Materials

Section: Properties

G. E. Dace, Iowa State University
R. Bruce Thompson, Iowa State University
Lisa J. H. Brasche, Iowa State University
David K. Rehbein, Iowa State University
Otto Buck, Iowa State University

La Jolla, CA

12:00 AM

Phase Mapping of Ultrasonic Fields Passed through Centrifugally Cast Stainless Steel

Section: Acoustoelasticity, Stress and Texture

M. S. Good, Battelle Memorial Institute
B. P. Hildebrand, Battelle Memorial Institute
C. M. Batson, Battelle Memorial Institute

La Jolla, CA

12:00 AM

Propagation of Elastic Waves in Equiaxed Iron Polycrystals with Aligned [001] Axes

Section: Acoustoelasticity, Stress and Texture

S. Ahmed, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla, CA

12:00 AM

Review and Statistical Analysis of the use of Ultrasonic Velocity for Estimating the Porosity Fraction in Polycrystalline Materials

Section: Properties

D. J. Roth, National Aeronautics and Space Administration
S. M. Swickard, National Aeronautics and Space Administration
D. B. Stang, Sverdrup Technology, Inc.
M. R. DeGuire, Case Western Reserve University

La Jolla, CA

12:00 AM

Second Order Nonlinearities and their Application in NDE

Section: Non-Linear Acoustic Properties

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

La Jolla, CA

12:00 AM

The Application of QNDE to the Test of Piles

Section: Properties

Yongqian Zhang, Academia Sinica
Yuanhui Chen, Academia Sinica
Zhao Bin, Academia Sinica

La Jolla, CA

12:00 AM

The Role of Nonlinearities in Propagation, Reflection, and Transmission of Stress Waves and Possible Applications to NDE

Section: Non-Linear Acoustic Properties

Jerry H. Ginsberg, Georgia Institute of Technology
Kun-Tien Shu, Georgia Institute of Technology

La Jolla, CA

12:00 AM

The Ultrasonic Measurement of Stress on Ferrous Plate using Pulsed Electromagnet Magnetostrictive Emat Probes

Section: Acoustoelasticity, Stress and Texture

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

La Jolla, CA

12:00 AM

Ultrasonic Backscattering from Polycrystalline Aggregates using Time-Domain Linear Response Theory

Section: Properties

James H. Rose, Iowa State University

La Jolla, CA

12:00 AM

Ultrasonic Detection of Cracks below Bolts in Aircraft Skins

Section: Non-Linear Acoustic Properties

Chien-Ping Chiou, Iowa State University
Frank J. Margetan, Iowa State University
James H. Rose, Iowa State University

La Jolla, CA

12:00 AM

Ultrasonic Detection of Nonlinear Mechanical Behavior of Adhesive Bonds

Section: Non-Linear Acoustic Properties

J. D. Achenbach, Northwestern University
O. K. Parikh, Northwestern University

La Jolla, CA

12:00 AM

Ultrasonic Measurement of the Earing Behavior of Aluminum Plate

Section: Acoustoelasticity, Stress and Texture

W. Y. Lu, University of Kentucky
J. G. Morris, University of Kentucky
Q. Gu, University of Kentucky

La Jolla, CA

12:00 AM

Ultrasonic Sensing of Porous Granular Media

Section: Properties

Sanjai Parthasarathi, University of Virginia
Yichi Lu, University of Virginia
Haydn N. G. Wadley, University of Virginia

La Jolla, CA

12:00 AM

Ultrasonic Wave Propagation in Inhomogeneous, Anisotropic Cast Stainless Steel

Section: Acoustoelasticity, Stress and Texture

Ali Minachi, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla, CA

12:00 AM

Use of Lamé Mode Properties in the Determination of Texture Parameters on AL Plates

Section: Acoustoelasticity, Stress and Texture

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

La Jolla, CA

12:00 AM

X-Ray Computed Tomographic Inspection of Castings

Section: Properties

R. H. Bossi, Boeing
J. L. Cline, Boeing
G. E. Georgeson, Boeing

La Jolla, CA

12:00 AM