Schedule

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1991
Tuesday, January 1st
12:00 AM

A Fiber Optic RF Resonant Cavity Sensor for Strain Sensing-Forrcs

Section: Smart Structures

Jeffrey S. Schoenwald, Rockwell International Science Center
Ross H. Messinger, Rockwell International Science Center

La Jolla, CA

12:00 AM

Ablation Measurements in Thick Composite Materials

Section: Defects in Composites

G. E. Georgeson, Boeing
J. M. Nelson, Boeing
R. H. Bossi, Boeing
R. L. Carlsen, Boeing

La Jolla, CA

12:00 AM

Acoustic Emission Waveform Analysis in Composites

Section: Defects in Composites

Manabu Enoki, University of Tokyo
Teruo Kishi, University of Tokyo

La Jolla, CA

12:00 AM

An Ultrasonic Resonance Method to Determine the Acoustic Velocity of Thin Adhesive Layers

Section: Joints

E. C. Johnson, The Aerospace Corporation
S. J. Sherman, The Aerospace Corporation

La Jolla, CA

12:00 AM

Analysis of Bond Quality by Resonant Ultrasound

Section: Joints

William M. Visscher, Los Alamos National Laboratory
Alburt Migliori, Los Alamos National Laboratory
Raymond D. Dixon, Los Alamos National Laboratory

La Jolla, CA

12:00 AM

Anisotropic Gauss-Hermite Beam Model Applied to through-Transmission Inspections of Delaminations in Composite Plates

Section: Defects in Composites

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

La Jolla, CA

12:00 AM

Application of Lamb Waves for Evaluation of Lap-Shear Adhesive Joints

Section: Joints

S. I. Rokhlin, Ohio State University

La Jolla, CA

12:00 AM

Application of Time Dependent Green’s Function Method to Scattering of Elastic Waves in Anisotropic Solids

Section: Properties of Composites

Vinod K. Tewary, National Institute of Standards and Technology
Christopher M. Fortunko, National Institute of Standards and Technology

La Jolla, CA

12:00 AM

Bond Strength Evaluation in Dissimilar Materials

Section: Joints

G. C. Ojard, Iowa State University
David K. Rehbein, Iowa State University
Otto Buck, Iowa State University
A. Bevolo, Iowa State University

La Jolla, CA

12:00 AM

Characterization of Composite Laminates using Combined LLW and PBS Methods

Section: Defects in Composites

Yoseph Bar-Cohen, McDonnell Douglas Corporation
Ajit K. Mal, University of California, Los Angeles

La Jolla, CA

12:00 AM

Characterization of Diffusion Bonds Using an Acoustic Microscope

Section: Joints

Amit K. Som, University College London
Leonard J. Bond, University of Colorado Boulder
Kevin J. Taylor, British Aerospace plc.

La Jolla, CA

12:00 AM

Characterization of Glued Bonds Using Ultrasonic Reflected Beam

Section: Joints

A. Jung, University of Paris VII
Ph. Guy, University of Paris VII
A. Nayfeh, University of Cincinnatti
G. Quentin, University of Paris VII
J. C. Le Flour, Régie Nationale des Usines Renault

La Jolla, CA

12:00 AM

Characterization of Porosity in Thick Graphite/Epoxy Composites

Section: "Thick" Composites

I. M. Daniel, Northwestern University
S. C. Wooh, Northwestern University
I,. Komsky, Northwestern University

La Jolla, CA

12:00 AM

Cure Monitoring of Composites Using Multiple Acoustic Waveguides

Section: Smart Structures

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

La Jolla, CA

12:00 AM

Damage Assessment and Residual Compression Strength of Thick Composite Plates with Through-The-Thickness Reinforcements

Section: "Thick" Composites

Barry T. Smith, College of William and Mary
Gary L. Farley, National Aeronautics and Space Administration
Janice Maiden, Textile Technologies, Inc.
Dreux Coogan, United States Military Academy
Judith G. Moore, AS&M Corporation

La Jolla, CA

12:00 AM

Damage Tolerance and NDE of Polymeric Composites

Section: Defects in Composites

Vinay Dayal, Iowa State University
David K. Hsu, Iowa State University

La Jolla, CA

12:00 AM

Defects in Thick Composites and Some Methods to Locate Them

Section: "Thick" Composites

W. J. Murri, Hercules, Inc.
B. W. Sermon, Hercules, Inc.
R. N. Andersen, Hercules, Inc.
L. A. Martinez, Hercules, Inc.
E. J. Van der Heiden, Hercules, Inc.
C. A. Garner, Hercules, Inc.

La Jolla, CA

12:00 AM

Effect of Particle Orientation on the Elastic Anisotropy of Al/SiCp Metal Matrix Composites

Section: Properties of Composites

H. Jeong, Iowa State University
David K. Hsu, Iowa State University
R. F. Shannon, Westinghouse
P. K. Liaw, Westinghouse

La Jolla, CA

12:00 AM

Elastic Characterization of Orthotropic Composite Materials from Ultrasonic Inspection through Non-Principal Planes

Section: Properties of Composites

Bernard Hosten, Université de Bordeaux I

La Jolla, CA

12:00 AM

Evaluation of Optical Fiber Bending Transducer Development for Smart Structure Applications

Section: Smart Structures

A. Caner Demirdogen, Tennessee Technological University
J. Richard Houghton, Tennessee Technological University
Andrew K. Tay, Tennessee Technological University
Dale A. Wilson, Tennessee Technological University
R. Lee Wood, Tennessee Technological University

La Jolla, CA

12:00 AM

Guided Waves for Porosity Estimation in Complex Shaped Structures

Section: Defects in Composites

K. Balasubramaniam, Drexel University
J. L. Rose, Drexel University
Y. Huang, Drexel University
J. Eder, Drexel University

La Jolla, CA

12:00 AM

Harmonic Generation Measurements in Unidirectional Graphite/Epoxy Composites

Section: Properties of Composites

Meng-Chou Wu, College of William and Mary
William H. Prosser, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Impedance Profiling for Bond Strength Evaluation

Section: Joints

Nadir Saffari, Arya Technology, Ltd.
David T. Green, Royal Ordnance

La Jolla, CA

12:00 AM

Interface Characterization by True Guided Modes

Section: Joints

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

La Jolla, CA

12:00 AM

Measurements of Elastic Constants of Thin Al2O3 and SiC/Al Composite using Coupled Ultrasonic Plate Modes

Section: Properties of Composites

W. Wang, Ohio State University
S. I. Rokhlin, Ohio State University

La Jolla, CA

12:00 AM

Model-Based Iterative Flaw Sizing for Thick Composites

Section: "Thick" Composites

Ali Minachi, Iowa State University
David K. Hsu, Iowa State University

La Jolla, CA

12:00 AM

NDE of Thick Composites in the Aerospace Industry — An Overview

Section: "Thick" Composites

G. F. Hawkins, The Aerospace Corporation
P. M. Sheaffer, The Aerospace Corporation
E. C. Johnson, The Aerospace Corporation

La Jolla, CA

12:00 AM

NDE Requirements for Thick Marine Composites

Section: "Thick" Composites

Cecil M. Teller, Texas Research International, Inc.
Christopher M. Fortunko, National Institute of Standards and Technology

La Jolla, CA

12:00 AM

Nondestructive Determination of Elastic Constants of Composite Materials

Section: Properties of Composites

S. C. Wooh, Northwestern University
I. M. Daniel, Northwestern University

La Jolla, CA

12:00 AM

Numerical Comparison of Experimentally Measured Ultrasound through a Multilayered Specimen

Section: Joints

John M. Sullivan Jr., Worcester Polytechnic Institute
Reinhold Ludwig, Worcester Polytechnic Institute
Yiping Geng, Worcester Polytechnic Institute
Vinod K. Nair, Worcester Polytechnic Institute

La Jolla, CA

12:00 AM

Numerical Simulations of Thermal Detection of Disbonds in Lap Joints

Section: Joints

P. A. Howell, National Aeronautics and Space Administration
William P. Winfree, National Aeronautics and Space Administration
B. Scott Crews, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

One Sided Inspection for Elastic Constant Determination of Advanced Materials

Section: Properties of Composites

Joseph L. Rose, Drexel University
Yimei Huang, Drexel University
John J. Ditri, Drexel University
Dattatraya P. Dandekar, United States Army
Shun-Shin Chou, United States Army

La Jolla, CA

12:00 AM

Optical Fiber-Based Sensing of Strain and Temperature at High Temperature

Section: Smart Structures

K. A. Murphy, Virginia Polytechnic Institute and State University
C.-H. Koob, Virginia Polytechnic Institute and State University
M. Miller, Virginia Polytechnic Institute and State University
S. Feth, Virginia Polytechnic Institute and State University
R. O. Claus, Virginia Polytechnic Institute and State University

La Jolla, CA

12:00 AM

Permittivity Characteristics of Kevlar, Carbon Composites, E-Glass, and Rubber (33% Carbon) at X-Band (8–12 GHZ)

Section: Properties of Composites

Reza Zoughi, Colorado State University
Brian Zonnefeld, Colorado State University

La Jolla, CA

12:00 AM

Positron Testing of Carbon-Fiber Composites

Section: Defects in Composites

L. L. Coulter, United States Air Force
J. G. Byrne, University of Utah

La Jolla, CA

12:00 AM

Reflection and Transmission Phenomena for Transient Stress Waves in Fiber Composite Laminates

Section: Properties of Composites

W. Anthony Green, University of Nottingham

La Jolla, CA

12:00 AM

Response of a Thick Orthotropic Composite Material to Dynamic Surface Line Loads and the Application to Elastic Constant Determination

Section: "Thick" Composites

Yu-Min Tsai, Iowa State University
Emmanuel P. Papadakis, Iowa State University
Thadd Patton, Iowa State University

La Jolla, CA

12:00 AM

Scattering of Impact Wave by a Crack in Composite Plate

Section: Defects in Composites

T. H. Jung, University of Colorado Boulder
S. K. Datta, University of Colorado Boulder

La Jolla, CA

12:00 AM

Scattering of Lamb Waves in a Composite Plate

Section: Defects in Composites

Robert Bratton, University of Colorado Boulder
Subhendu Datta, University of Colorado Boulder
Arvind Shah, University of Manitoba

La Jolla, CA

12:00 AM

Smart Structures a Damage Detection Concept

Section: Smart Structures

Jean E. Ott, LTV Aircraft Products Group

La Jolla, CA

12:00 AM

Some Elastic Moduli of Three Thick Composites

Section: "Thick" Composites

Emmanuel P. Papadakis, Iowa State University
Thadd Patton, Iowa State University
Yu-Min Tsai, Iowa State University
R. Bruce Thompson, Iowa State University
Donald O. Thompson, Iowa State University

La Jolla, CA

12:00 AM

Sonic Inspection of Bonds in Viscoelastic Composites

Section: Joints

A. F. Emery, Sandia National Laboratories

La Jolla, CA

12:00 AM

The Detection of Damage and the Measurement of Strain within Composites by Means of Embedded Optical Fiber Sensors

Section: Smart Structures

Raymond M. Measures, University of Toronto

La Jolla, CA

12:00 AM

The Reflection of Ultrasound from Interface Layers in Adhesive Joints

Section: Joints

Tom Pialucha, Imperial College London
Peter Cawley, Imperial College London

La Jolla, CA

12:00 AM

Thin Bondline Measurement of Adhesively Bonded Metallic Aircraft Structures using an Ultrasonic Analyzer

Section: Joints

Woody Wongwiwat, Rohr Industries, Inc.
Robert Rizzo, Grumman Corp.
Donald Rigney, Decilog, Inc.

La Jolla, CA

12:00 AM

Towards a Quantitative Ultrasonic NDE of Thick Composites

Section: "Thick" Composites

Wolfgang Sachse, Cornell University

La Jolla, CA

12:00 AM

Transient Response of a Four-Ply Fiber Composite Laminate to an Internal Line Source

Section: Properties of Composites

E. Rhian Green, University of Leicester

La Jolla, CA

12:00 AM

Ultrasonic Characterization of Multilayered Thick Composite Plates

Section: "Thick" Composites

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

La Jolla, CA

12:00 AM

Ultrasonic Measurement of Elastic Constants for Composite Overlays

Section: Properties of Composites

P. A. Doyle, Australian Department of Defence
C. M. Scala, Australian Department of Defence

La Jolla, CA

12:00 AM

Ultrasonic Modulus Determination in Composite Media

Section: Properties of Composites

R. A. Kline, University of Oklahoma
S. K. Sahay, University of Oklahoma
E. I. Madaras, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Ultrasonic NDE for Ceramic- and Metal- Matrix Composite Material Characterization

Section: Properties of Composites

Manohar Bashyam, General Electric

La Jolla, CA

12:00 AM

Ultrasonic Nondestructive Evaluation of Cracked Composite Laminates

Section: Defects in Composites

A. K. Mal, University of California, Los Angeles
C.-C. Yin, University of California, Los Angeles
Y. Bar-Cohen, McDonnell Douglas Corporation

La Jolla, CA

12:00 AM

Ultrasonic Reflectivity Determination of Interfacial Properties in Adhesive Joints of Aluminum Alloys

Section: Joints

W. Wang, Ohio State University
B. Li, Ohio State University
S. I. Rokhlin, Ohio State University

La Jolla, CA

12:00 AM

Wave Scattering by an Inclusion Having Imperfect Interfaces with the Matrix

Section: Joints

Jianmin Qu, Georgia Institute of Technology

La Jolla, CA

12:00 AM