Schedule

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1989
Sunday, January 1st
12:00 AM

An Integrated Damage Analysis of Laminated Composite Plates

Section: Composites—Defects

Jonathan H. Gosse, Boeing
Stanley M. Sorscher, Boeing

La Jolla, CA

12:00 AM

Analysis of Ultrasonic Backscatter for Porosity Characterization in Graphite-Epoxy Composites

Section: Composites—Properties

Ronald A. Roberts, Argonne National Laboratory

La Jolla, CA

12:00 AM

Characterizing Porosity of Composite Materials Through Digital Ultrasonic Waveform Processing

Section: Composites—Properties

Siegurd Weber, Visual Edge Software Ltd.
Robert A. Blake Jr., Alcoa
Robert Teti, University of Naples
Charles Boncelet Jr., University of Delaware

La Jolla, CA

12:00 AM

Correlation of Ultrasonic Imaging and Destructive Analyses of Low Energy Impact Events

Section: Composites—Defects

T. J. Moran, United States Air Force
C. F. Buynak, United States Air Force

La Jolla, CA

12:00 AM

Detecting Micro-Structure and Flaws in Composites Using Eddy-Current Instrumentation

Section: Composites—Properties

Jeff C. Treece, Sabbagh Associates, Inc.
Thomas M. Roberts, Sabbagh Associates, Inc.
Denis J. Radecki, Sabbagh Associates, Inc.
Steven D. Schunk, Sabbagh Associates, Inc.

La Jolla, CA

12:00 AM

Eddy Current Inspection of Thick Carbon Fiber Reinforced Composites

Section: Composites—Properties

Susan N. Vernon, United States Navy

La Jolla, CA

12:00 AM

Effects of Bleeder Cloth Impressions on the Use of Polar Backscatter to Detect Porosity

Section: Composites—Properties

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

La Jolla, CA

12:00 AM

Graphite-Fiber Elastic Constants: Determination from Ultrasonic Measurements on Composite Materials

Section: Composites—Properties

Subhendu Datta, University of Colorado
Hassel Ledbetter, National Institute of Standards and Technology
Tetsuyuki Kyono, Toray Industries

La Jolla, CA

12:00 AM

Impact-Induced Delaminations in Thermoset and Thermoplastic Composites

Section: Composites—Defects

David K. Hsu, Iowa State University
B. E. Lucht, Iowa State University

La Jolla, CA

12:00 AM

Leaky Lamb Wave Phenomena in Composites Using Pulses

Section: Composites—Defects

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

La Jolla, CA

12:00 AM

Leaky Plate Wave Inspection of Biaxial Composites

Section: Composites—Defects

Richard W. Martin, University of Dayton
Dale E. Chimenti, United States Air Force

La Jolla, CA

12:00 AM

Measuring in-Plane Elastic Moduli of Composites with Arrays of Phase-Insensitive Ultrasound Receivers

Section: Composites—Properties

D. W. Fitting, National Institute of Standards and Technology
A. D. Kriz, National Institute of Standards and Technology
A. V. Clark Jr., National Institute of Standards and Technology

La Jolla, CA

12:00 AM

NDE of Thick Graphite/Epoxy Composites: Some Approaches and Problems

Section: Composites—Properties

William J. Murri, Hercules, Inc.
Bradley W. Sermon, Hercules, Inc.

La Jolla, CA

12:00 AM

Nondestructive Testing of “Thick” Aerospace Honeycomb Structures Using Through-Transmitted Ultrasonic Guided Waves

Section: Composites—Defects

C. M. Fortunko, Airscan, Inc.
J. O. Strycek, Airscan, Inc.
W. A. Grandia, Airscan, Inc.

La Jolla, CA

12:00 AM

Novel Approaches for the Ultrasonic NDE of Thick and other Composites

Section: Composites—Properties

Wolfgang Sachse, Cornell University
Kwang Yul Kim, Cornell University

La Jolla, CA

12:00 AM

Reflection of Ultrasonic Waves by Flaws in Thick Composites

Section: Composites—Defects

J. D. Achenbach, Northwestern University
Y. C. Lu, Northwestern University

La Jolla, CA

12:00 AM

Single Mode Lamb Wave Inspection of Composite Laminates

Section: Composites—Properties

Peter B. Nagy, Ohio State University
Laszlo Adler, Ohio State University
David Mih, Northrop Corporation
William Sheppard, Northrop Corporation

La Jolla, CA

12:00 AM

Temperature Dependence of the Ultrasonic Properties of AS4/LEXAN and XAS/LEXAN Composite

Section: Composites—Properties

B. T. Smith, Christopher Newport College

La Jolla, CA

12:00 AM

Thermal Diffusivity Measurements in Carbon-Carbon Composites

Section: Composites—Defects

D. Michele Heath, National Aeronautics and Space Administration
William P. Winfree, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Thermographic Detection of Delaminations in Laminated Structures

Section: Composites—Defects

William P. Winfree, National Aeronautics and Space Administration
Christopher S. Welch, College of William and Mary
P. H. James, Analytical Services and Materials, Inc.
Elliott Cramer, Indiana University of Pennsylvania

La Jolla, CA

12:00 AM

Ultrasonic Detection of Voids in Ceramic Composites

Section: Composites—Defects

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

La Jolla, CA

12:00 AM

Ultrasonic Evaluation of in-Plane and out-of-Plane Elastic Properties of Composite Materials

Section: Composites—Properties

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

La Jolla, CA

12:00 AM

Ultrasonic NDE of Thick Composite Laminates

Section: Composites—Properties

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

La Jolla, CA

12:00 AM

Ultrasonic Spectral Analysis for Characterization of Composites

Section: Composites—Properties

N. K. Batra, United States Navy

La Jolla, CA

12:00 AM

Ultrasonic Techniques for Characterization of Manufacturing Defects in Thick Composites

Section: Composites—Defects

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

La Jolla, CA

12:00 AM

Ultrasonic Velocity Change and Dispersion Due to Porosity in Composite Laminates

Section: Composites—Properties

David K. Hsu, Iowa State University
Hyunjo Jeong, Iowa State University

La Jolla, CA

12:00 AM

X-Ray Measurement and Porosity in Graphite/Polyimide Composites

Section: Composites—Properties

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

La Jolla, CA

12:00 AM