Schedule

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1990
Monday, January 1st
12:00 AM

A Theoretical Model for Magnetic Field Mapping as a Means of Broken Fiber Detection in Graphite Epoxy Composites

Section: Defects in Composites

William T. Yost, NASA Langley Research Center

Brunswick, ME

12:00 AM

Acoustical and Dynamic Mechanical Characterization of Fiber-Matrix Interface Bonds in Ceramic Composites

Section: Properties of Composites

L. A. Lott, EG&G Idaho, Inc
D. C. Kunerth, EG&G Idaho, Inc

Brunswick, ME

12:00 AM

Application of Coupled Ultrasonic Plate Modes for Elastic Constant Reconstruction of Anisotropic Composites

Section: Properties of Composites

S. I. Rokhlin, Ohio State University
C. Y. Wu, Ohio State University
L. Wang, Ohio State University

Brunswick, ME

12:00 AM

Applications of Generalized Pulse-Echo Formulas for Evaluation of Multilayered Structures

Section: Adhesive Joints

E. James Chern, Martin Marietta Laboratories
B. B. Djordjevic, Martin Marietta Laboratories

Brunswick, ME

12:00 AM

Characterization of Adhesive Bonding Using Leaky Lamb Waves

Section: Adhesive Joints

Yoseph Bar-Cohen, McDonneli Douglas Corporation
Ajit K. Mal, University of California

Brunswick, ME

12:00 AM

Characterization of Low Fusion Alloys / Metals with Embedded Optical Fibers

Section: Smart Structures

K. A. Murphy, Virginia Polytechnic Institute and State University
W. V. Miller III, Virginia Polytechnic Institute and State University
M. F. Gunther, Virginia Polytechnic Institute and State University
R. G. May, Virginia Polytechnic Institute and State University
A. M. Vengsarka, Virginia Polytechnic Institute and State University
R. O. Claus, Virginia Polytechnic Institute and State University

Brunswick, ME

12:00 AM

Characterization of the Texture of Heavily Deformed Metal-Metal Composites with Acoustic Microscopy

Section: Properties of Composites

R. Bruce Thompson, Iowa State University
Y. Li, Iowa State University
W. A. Spitzig, Iowa State University
G. A. D. Briggs, Oxford University
A. Fagan, Oxford University
J. Kushibiki, Tohoku University

Brunswick, ME

12:00 AM

Damage Assessment for Composite Smart Structures

Section: Smart Structures

R. M. Measures, University of Toronto Institute for Aerospace Studies

Brunswick, ME

12:00 AM

Defect Characterization in Thick Composites by Ultrasound

Section: Defects in Composites

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

Brunswick, ME

12:00 AM

Degradation of Optical Fibers at Carbon-Carbon Pyrolysis Temperatures

Section: Smart Structures

Jeffrey S. Schoenwald, Rockwell International Science Center

Brunswick, ME

12:00 AM

Detection and Disposition Reliability of Ultrasonics and Radiography for Weld Inspection

Section: Metal-Metal Joints

Robert DeNale, David Taylor Research Center
Carol A. Lebowitz, David Taylor Research Center

Brunswick, ME

12:00 AM

Diffusion Bond Inspection Using a Pulsed Digital Reflection Acoustic Microscope

Section: Metal-Metal Joints

Leonard J. Bond, University College London
Amit K. Som, University College London
Klara Shiloh, University College London
Kevin J. Taylor, British Aerospace plc

Brunswick, ME

12:00 AM

Dispersive Properties of Leaky Interface Waves in Adhesive Layers

Section: Adhesive Joints

Peter B. Nagy, Ohio State University
David V. Rypien, Ohio State University
Laszlo Adler, Ohio State University

Brunswick, ME

12:00 AM

Effects of Microstructure and Bond Quality on the Ultrasonic Evaluation of Dissimilar Metal Friction Welds

Section: Metal-Metal Joints

Graham H. Thomas, Sandia National Laboratories
Jay R. Spingarn

Brunswick, ME

12:00 AM

Elastic Anisotropy in Particle/Fiber Reinforced Aluminum Metal Matrix Composites

Section: Properties of Composites

B. Grelsson, University of Houston
K. Salama, University of Houston

Brunswick, ME

12:00 AM

Elastic Moduli of Silicon Carbide Particulate Reinforced Aluminum Metal Matrix Composites

Section: Properties of Composites

H. David Jeong, Iowa State University
David K. Hsu, Iowa State University
R. E. Shannon, Westinghouse Science and Technology Center
P. K. Liaw, Westinghouse Science and Technology Center

Brunswick, ME

12:00 AM

Embedded Sensors and Actuators for Lightweight Structures

Section: Smart Structures

Jeffrey S. Schoenwald, Rockwell International Science Center

Brunswick, ME

12:00 AM

Evaluation of Solid-Solid Bonds Nondestructively Using Ultrasound

Section: Metal-Metal Joints

David Kent Rehbein, Iowa State University
R. Bruce Thompson, Iowa State University
G. C. Ojard, Iowa State University
J. D. Snodgrass, Iowa State University
O. Buck, Iowa State University

Brunswick, ME

12:00 AM

Evaluation of Various Interface Layer Models for Ultrasonic Inspection of Weak Bonds

Section: Adhesive Joints

Joseph L. Rose, Drexel University
Jiao Dale, Drexel University
Tran D. K. Ngoc, Drexel University
K. Balasubramaniam, Drexel University

Brunswick, ME

12:00 AM

Experimental Studies Pertaining to the Interaction of Ultrasound with Metal-Metal Bonds

Section: Metal-Metal Joints

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

Brunswick, ME

12:00 AM

Growth of Damage Within Composites Determined by Image Enhanced Backlighting and Embedded Optical Fibers

Section: Smart Structures

W. Tsaw, University of Toronto Institute for Aerospace Studies
M. LeBlanc, University of Toronto Institute for Aerospace Studies
R. M. Measures, University of Toronto Institute for Aerospace Studies

Brunswick, ME

12:00 AM

Guided Plate Wave Potential for Damage Analysis of Composite Materials

Section: Defects in Composites

Krishnan Balasubramaniam, Drexel University
Joseph L. Rose, Drexel University

Brunswick, ME

12:00 AM

Leaky Lamb Waves (LLW) in Multiorientation Composite Laminates

Section: Properties of Composites

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

Brunswick, ME

12:00 AM

Localization of Ultrasound in Thick Composites

Section: Properties of Composites

Yichi Lu, Northwestern University
Jan D. Achenbach, Northwestern University

Brunswick, ME

12:00 AM

Multi-Frequency Eddy Current Testing of Ferromagnetic Welds

Section: Metal-Metal Joints

C. W. Gilstad, David Taylor Research Center
M. F. Dersch, David Taylor Research Center
R. DeNale, David Taylor Research Center

Brunswick, ME

12:00 AM

Multiparameter Ultrasonic Evaluation of Thick Composite Materials

Section: Defects in Composites

Robert F. Murphy, United Technologies
Robert W. Reed, United Technologies
Thomas J. Batzinger, United Technologies

Brunswick, ME

12:00 AM

NMR as a Probe of Absorbed Water in Graphite-Reinforced Plastic

Section: Properties of Composites

Eun-Kee Jeong, Washington University
Mark S. Conradi, Washington University
Kent Cueman, General Electric Company
Lewis J. Thomas III, General Electric Company

Brunswick, ME

12:00 AM

Nondestructive Evaluation of Damage and Degradation of Mechanical Properties in Composite Panels Subjected to Impact

Section: Defects in Composites

H. David Nayeb-Hashemi, Northwestern University
N. Zheng, Northwestern University

Brunswick, ME

12:00 AM

Parametric Studies of Thermographic Detection of Disbonds in Laminated Structures Using Computational Simulations

Section: Adhesive Joints

P. A. Howell, NASA
William P. Winfree, NASA
B. Scott Crews, NASA
Elliott Cramer, NASA

Brunswick, ME

12:00 AM

Prior Knowledge Analysis of Interfaces in CT Data

Section: Adhesive Joints

James E. Youngberg, Perceptics Corporation

Brunswick, ME

12:00 AM

Pulse Echo Technique to Determine Bondline Reflection Coefficients

Section: Adhesive Joints

G. E. Kechter, Battelle
J. D. Achenbach, Northwestern University

Brunswick, ME

12:00 AM

Quantitative Electromagnetic Modeling and NDE of Carbon-Carbon Composites

Section: Properties of Composites

Jeff C. Treece, Sabbagh Associates, Inc.

Brunswick, ME

12:00 AM

Real Time X-Ray Microfocus Inspection of Honeycomb

Section: Defects in Composites

E. M. Siwek, Iowa State University
J. N. Gray, Iowa State University

Brunswick, ME

12:00 AM

Reconstruction of Elastic Constants from Ultrasonic Reflectivity Data in a Fluid Coupled Composite Plate

Section: Properties of Composites

S. I. Rokhlin, Ohio State University
Dale E. Chimenti, Write Paterson AFB

Brunswick, ME

12:00 AM

Reflection Coefficients for Defective Diffusion Bonds

Section: Metal-Metal Joints

James H. Rose, Iowa State University

Brunswick, ME

12:00 AM

Swept Frequency Ultrasonic Imaging in Composite Plates

Section: Defects in Composites

Richard W. Martin, University of Dayton Research Institute
Dale E. Chimenti, Wright-Patterson Air Force Base

Brunswick, ME

12:00 AM

The Elastic Moduli of Thick Composites

Section: Properties of Composites

E. P. Papadakis, Iowa State University
T. Patton, Iowa State University
Y.-M. Tsai, Iowa State University
D. O. Thompson, Iowa State University

Brunswick, ME

12:00 AM

The Influence of Embedded Optical Fibers on the Interlamina Fracture Toughness of Composite Materials

Section: Smart Structures

B. Blagojevic, University of Toronto Institute for Aerospace Studies
W. Tsaw, University of Toronto Institute for Aerospace Studies
K. McEwen, University of Toronto Institute for Aerospace Studies
R. M. Measures, University of Toronto Institute for Aerospace Studies

Brunswick, ME

12:00 AM

Thermal Diffusivity Measurements on Composite Porosity Samples

Section: Defects in Composites

Joseph N. Zalameda, Langley Research Center
William P. Winfree, Langley Research Center

Brunswick, ME

12:00 AM

Three-Dimensional Imaging of Impact Damage in Composite Laminates

Section: Defects in Composites

Shi-Chang Wooh, Northwestern University
Isaac M. Daniel, Northwestern University

Brunswick, ME

12:00 AM

To the Detection of Bondline Flaws in Rubber/Metal Laminates a Comparison of the Sensitivity of Transverse and Lamb Waves

Section: Adhesive Joints

Cecil M. Teller, Texas Research Institute Austin
K. Jerome Diercks, Texas Research Institute Austin
George A. Matzkanin, Texas Research Institute Austin

Brunswick, ME

12:00 AM

Ultrasonic Characterization of Defects and Damage in Thick Composites

Section: Defects in Composites

Isaac M. Daniel, Northwestern University
Shi-Chang Wooh, Northwestern University

Brunswick, ME

12:00 AM

Ultrasonic Characterization of Porosity in Composites

Section: Defects in Composites

B. T. Smith, Christopher Newport College

Brunswick, ME

12:00 AM

Ultrasonic Evaluation of Bonding of an Elastomer to a High Impedance Material

Section: Adhesive Joints

Paul M. Gammell, Naval Surface Warfare Center

Brunswick, ME

12:00 AM

Ultrasonic Evaluation of Interphasial Properties in Adhesive Joints

Section: Adhesive Joints

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

Brunswick, ME

12:00 AM

Ultrasonic Imaging of Disbonds in Adhesively Bonded Cylinderical Layers

Section: Adhesive Joints

N. K. Batra, Naval Research Laboratory
K. E. Simmonds, Naval Research Laboratory
H. H. Chaskelis, Navel Research Laboratory

Brunswick, ME

12:00 AM

Ultrasonic Inspection of Beryllium Weld Samples

Section: Metal-Metal Joints

M. W. Moyer, Martin Marietta Energy Systems, Inc.

Brunswick, ME

12:00 AM

X-Ray Measurement of Material Properties in Composites

Section: Properties of Composites

B. E. Shull, Iowa State University
Joseph N. Gray, Iowa State University

Brunswick, ME

12:00 AM