Chapter 6 contains research reports on Advanced Composites, including invited papers from this year's minisymposium on ceramic composites. The length and diversity of this chapter attests to the increasing importance of composite materials in many critical applications requiring high strength-to-weight ratios.

Schedule

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1987
Thursday, January 1st
12:00 AM

A Morphological Study of Porosity Defects in Graphite-Epoxy Composites

Section: Defects

David K. Hsu, Iowa State University
Kevin M. Uhl, Iowa State University

La Jolla, CA

12:00 AM

Acoustic Wave Reflection from Water/Laminated Composite Interfaces

Section: Properties

Adrian H. Nayfeh, University of Cincinatti

La Jolla, CA

12:00 AM

Analytical Treatment of Polar Backscattering from Porous Composites

Section: Defects

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

La Jolla, CA

12:00 AM

Characterization of Impact Damage in Composites

Section: Defects

C. F. Buynak, Wright-Patterson Air Force Base
T. J. Moran, Wright-Patterson Air Force Base

La Jolla, CA

12:00 AM

Continuum Modeling of Ultrasonic Behavior in Fluid-Loaded Fibrous Composite Media with Applications to Ceramic and Metal Matrix Composites

Section: Properties

Adrian H. Nayfeh, University of Cincinatti
Dale E. Chimenti, Wright-Patterson Air Force Base

La Jolla, CA

12:00 AM

Defect and Damage Characterization in Composite Materials

Section: Defects

Isaac M. Daniel, Northwestern University
S. C. Wooh, Northwestern University
J. W. Lee, Northwestern University

La Jolla, CA

12:00 AM

Detection of Ultrasonic Waves Propagating in Boron/Aluminum and Steel/Lucite Composite Materials

Section: Properties

Stephen Huber, Naval Air Development Center
William R. Scott, Naval Air Development Center
Randall Sands, Naval Air Development Center

La Jolla, CA

12:00 AM

Dynamic Dielectric Analysis for Nondestructive Cure Monitoring and Process Control

Section: Processing

D. E. Kranbuehl, College of William and Mary
S. E. Delos, College of William and Mary
M. S. Hoff, College of William and Mary
M. E. Whitham, College of William and Mary
L. W. Weller, College of William and Mary
P. D. Haverty, College of William and Mary

La Jolla, CA

12:00 AM

Dynamic Viscosity Measurements of Fluids Employing Resonance Characteristics of a Piezoelectric Element Vibrating in the Shear Mode

Section: Processing

M. Bujard, Rockwell International Science Center
B. R. Tittmann, Rockwell International Science Center
L. A. Ahlberg, Rockwell International Science Center
F. Cohen-Tenoudji, Rockwell International Science Center

La Jolla, CA

12:00 AM

Effects of Reflection and Refraction of Ultrasonic Waves on the Angle Beam Inspection of Anisotropic Composite Material

Section: Properties

S. I. Rokhlin, Ohio State University
T. K. Bolland, Ohio State University
L. Adler, Ohio State University

La Jolla, CA

12:00 AM

Estimating Residual Strength in Filament Wound Casings from Nondestructive Evaluation of Impact Damage

Section: Defects

Eric I. Madaras, National Aeronautics and Space Administration
Clarence C. Poe Jr., National Aeronautics and Space Administration
Walter Illg, National Aeronautics and Space Administration
Joseph Heyman, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Evaluation of Anisotropic Properties of Graphite-Epoxy Composites Using Lamb Waves

Section: Properties

W. R. Rose, Ohio State University
S. I. Rokhlin, Ohio State University
L. Adler, Ohio State University

La Jolla, CA

12:00 AM

Evaluation of Porosity in Graphite-Epoxy Composite by Frequency Dependence of Ultrasonic Attenuation

Section: Defects

David K. Hsu, Iowa State University
Satish M. Nair, Iowa State University

La Jolla, CA

12:00 AM

Guided Interface Waves

Section: Properties

E. Drescher-Krasicka, National Bureau of Standards
John A. Simmons, National Bureau of Standards
Haydn N. G. Wadley, National Bureau of Standards

La Jolla, CA

12:00 AM

Imbedded Optical Fiber Sensor of Differential Strain in Composites

Section: Defects

M. Reddy, Virginia Polytechnic Institute and State University
K. D. Bennett, Virginia Polytechnic Institute and State University
R. O. Claus, Virginia Polytechnic Institute and State University

La Jolla, CA

12:00 AM

Interface Effects on Attenuation and Phase Velocities in Metal-Matrix Composites

Section: Properties

S. K. Datta, University of Colorado
H. M. Ledbetter, National Bureau of Standards
Y. Shindo, Tohoku University
A. H. Shah, University of Manitoba

La Jolla, CA

12:00 AM

Measurement of Ultrasonic Wavespeeds in Off-Axis Directions of Composite Materials

Section: Properties

L. H. Pearson, Morton Thiokol, Inc.
W. J. Murri, Hercules Aerospace

La Jolla, CA

12:00 AM

Multiparameter Ultrasonic Evaluation of Ceramic Matrix Composites

Section: Properties

Robert W. Reed, United Technologies Research Center
Robert F. Murphy, United Technologies Research Center

La Jolla, CA

12:00 AM

NDE of Fiber and Whisker-Reinforced Ceramics

Section: Properties

D. B. Marshall, Rockwell International Science Center

La Jolla, CA

12:00 AM

Non-Destructive Evaluation of the Curing of Resin and Prepreg Using an Acoustic Waveguide Sensor

Section: Processing

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

La Jolla, CA

12:00 AM

Photoacoustic Microscopy of Ceramics Using Laser Heterodyne Detection

Section: Defects

Harry I. Ringermacher, United Technologies Research Center
Carol A. Kittredge, United Technologies Research Center

La Jolla, CA

12:00 AM

Porosity Characterization in Fiber-Reinforced Composites by Use of Ultrasonic Backscatter

Section: Defects

Ronald A. Roberts, Argonne National Laboratory

La Jolla, CA

12:00 AM

Process Monitoring of Polymer Matrix Composites Using Fluorescence Probes

Section: Processing

Bruno Fanconi, National Bureau of Standards
Francis Wang, National Bureau of Standards
Robert Lowry, National Bureau of Standards

La Jolla, CA

12:00 AM

Processing of Thermoplastic Matrix Composites

Section: Processing

Alfred C. Loos, Virginia Polytechnic Institute and State University
Philip H. Dara, Virginia Polytechnic Institute and State University

La Jolla, CA

12:00 AM

Toughness and Flaw Responses in Nontransforming Ceramics: Implications for NDE

Section: Properties

Brian R. Lawn, National Bureau of Standards
Carolyn J. Fairbanks, National Bureau of Standards

La Jolla, CA

12:00 AM

Ultrasonic Characterization of Cylindrical Porosity — A Model Study

Section: Defects

Satish M. Nair, Iowa State University
David K. Hsu, Iowa State University
James H. Rose, Iowa State University

La Jolla, CA

12:00 AM

Ultrasonic Characterization of Porosity in Composite Materials by Time Delay Spectrometry

Section: Defects

M. D. Fuller, Martin Marietta Aerospace
P. M. Gammell, Naval Surface Weapons Systems

La Jolla, CA

12:00 AM

Ultrasonic Dispersion in Fluid-Coupled Composite Plates

Section: Properties

Dale E. Chimenti, Wright-Patterson Air Force Base
Adrian H. Nayfeh, University of Cincinatti

La Jolla, CA

12:00 AM

Ultrasonic Signal Analysis of Composite Structures Using the Entire Waveform

Section: Defects

William D. Brosey, Martin Marietta Energy Systems, Inc.

La Jolla, CA

12:00 AM

Ultrasonic Techniques to Produce Damage Profiles through the Thickness of a Sample

Section: Defects

William J. Murri, Hercules Aerospace
Kirk W. Bailey, Hercules Aerospace
Bradley W. Sermon, Hercules Aersopace
Tammy J. Todaro, Hercules Aerospace

La Jolla, CA

12:00 AM