Schedule

Subscribe to RSS Feed

1988
Friday, January 1st
12:00 AM

A Model for Ultrasound Transmission Through Graphite Composite Plates Containing Delaminations

Section: Composites—Defects

Frank J. Margetan, Iowa State University
T. A. Gray, Iowa State University
R. Bruce Thompson, Iowa State University
B. P. Newberry, Iowa State University

Williamsburg, VA

12:00 AM

A Quantitative Nondestructive Evaluation Technique for Assessing the Compression-After-Impact Strength of Composites Plates

Section: Composites—Properties

Jonathan H. Gosse, Boeing Aerospace Company
Leroy R. Hause, Boeing Aerospace Company

Williamsburg, VA

12:00 AM

A Relationship between Frequency Dependent Ultrasonic Attenuation and Porosity in Composite Laminates

Section: Composites—Defects

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

Williamsburg, VA

12:00 AM

Application of SH and Lamb Wave Emat’s for Evaluation of Adhesive Joint in Thin Plate

Section: Adhesive Bonds

F. He, Ohio State University
S. I. Rohklin, Ohio State University
L. Adler, Ohio State University

Williamsburg, VA

12:00 AM

Backscatter from Porosity in Cross-Ply Composites

Section: Composites—Defects

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

Williamsburg, VA

12:00 AM

Characterization of Film Adhesion by Acoustic Microscopy

Section: Adhesive Bonds

A. K. Mal, University of California, Los Angeles
R. D. Weglein

Williamsburg, VA

12:00 AM

Characterization of Porosity in Continuous Fiber-Reinforced Composites with Ultrasonic Backscatter

Section: Composites—Defects

Ronald A. Roberts, Argonne National Laboratory

Williamsburg, VA

12:00 AM

Defect Detection and Quantification in Laminated Composites by EATF (Passive) Thermography

Section: Composites—Defects

Philip V. McLaughlin Jr., Villanova University

Williamsburg, VA

12:00 AM

Determination of Delaminations in Adhesively Bonded Layers under Compression

Section: Adhesive Bonds

N. K. Batra, United States Navy
H. H. Chaskelis, United States Navy

Williamsburg, VA

12:00 AM

Eddy Current Probe Impedances Due to Interaction with Advanced Composites

Section: Composites—Properties

John R. Bowler, Sabbagh Associates, Inc.
Harold A. Sabbagh, Sabbagh Associates, Inc.
L. David Sabbagh, Sabbagh Associates, Inc.

Williamsburg, VA

12:00 AM

Effect of Bottom-Surface Reflections on Backscatter from Porosity in a Composite Layer

Section: Composites—Defects

T. Ohyoshi, Akita University
J. D. Achenbach, Northwestern University

Williamsburg, VA

12:00 AM

Elastic Wave Dispersion in Laminated Composite Plate

Section: Composites—Properties

Subhendu K. Datta, University of Colorado
Arvind H. Shah, University of Manitoba
Y. Al-Nassar, Unviersity of Colorado
R. L. Bratton, University of Colorado

Williamsburg, VA

12:00 AM

Imaging of Impact Damage in Composite Materials

Section: Composites—Defects

B. G. Frock, University of Dayton
R. W. Martin, University of Dayton
T. J. Moran, Wright-Patterson Air Force Base
K. D. Shimmin, Systran Corp.

Williamsburg, VA

12:00 AM

Inspecting Advanced Composite Materials at Ultrasonic Frequencies from 2 Megahertz to 2 Gigahertz

Section: Composites—Properties

Graham Thomas, Sandia National Laboratories
Ben C. Odegard, Sandia National Laboratories

Williamsburg, VA

12:00 AM

Interfaces: The Next NDE Challenge

Section: Adhesive Bonds

H. N. G. Wadley, National Bureau of Standards

Williamsburg, VA

12:00 AM

Mechanical Strength Degradation of Graphite Fiber Reinforced Thermoset Composites Due to Porosity

Section: Composites—Defects

K. M. Uhl, Iowa State University
B. Lucht, Iowa State University
H. Jeong, Iowa State University
David K. Hsu, Iowa State University

Williamsburg, VA

12:00 AM

Nondestructive Characterization of Ceramic Composite Whiskers with Neutron Diffraction and Ultrasonic Techniques

Section: Composites—Properties

D. S. Kupperman, Argonne National Laboratory
S. Majumdar, Argonne National Laboratory
S. R. MacEwan, Argonne National Laboratory
R. L. Hitterman, Argonne National Laboratory
J. P. Singh, Argonne National Laboratory
J. L. Routbort, Argonne National Laboratory

Williamsburg, VA

12:00 AM

Nondestructive Evaluation of Adhesive Bonds Using Leaky Lamb Waves

Section: Adhesive Bonds

Cecil M. Teller, Texas Research Institute
K. Jerome Diercks, Texas Research Institute
Yoseph Bar-Cohen, Douglas Aircraft Company
Nick N. Shah, Douglas Aircraft Company

Williamsburg, VA

12:00 AM

Nondestructive Evaluation of Fiber Composite Laminates by Thermoelastic Emission

Section: Composites—Defects

C. E. Bakis, Virginia Polytechnic Institute and State University
K. L. Reifsnider, Virginia Polytechnic Institute and State University

Williamsburg, VA

12:00 AM

Practical Application of State-of-the-Art NDE Techniques: Evaluation of Graphite-Epoxy Composite Wing Covers

Section: Composites—Properties

Patrick H. Johnston, National Aeronautics and Space Administration
Doron Kishoni, National Aeronautics and Space Administration

Williamsburg, VA

12:00 AM

QNDE of a 3-D Carbon-Carbon Composite Using Photoacoustic Microscopy

Section: Composites—Properties

Tasdiq Ahmed, Southern Illinois University at Carbondale
Kenneth W. Johnson, Southern Illinois University at Carbondale
Aldo Migione, Southern Illinois University at Carbondale
John W. Monzyk, Southern Illinois University at Carbondale
Gouliang Yang, Southern Illinois University at Carbondale
Maqsood uz Zaman, Southern Illinois University at Carbondale
Jarlen Don, Southern Illinois University at Carbondale

Williamsburg, VA

12:00 AM

Quantitative Nondestructive Evaluation of Adhesive Bond Strength

Section: Adhesive Bonds

Jonathan H. Gosse, Boeing Aerospace Company
Leroy R. Hause, Boeing Aerospace Company

Williamsburg, VA

12:00 AM

The Influence of Interfacial Conditions on the Ultrasonic Wave Interaction with Multilayered Media

Section: Adhesive Bonds

Adrian H. Nayfeh, University of Cincinnati
Timothy W. Taylor, University of Cincinnati

Williamsburg, VA

12:00 AM

The Influence of Material Dissipation and Imperfect Bonding on Acoustic Wave Reflection from Layered Solids

Section: Adhesive Bonds

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

Williamsburg, VA

12:00 AM

Thermographic Detection of Buried Debonds

Section: Composites—Defects

M. T. Quinn, The Aerospace Corporation
J. R. Hribar, The Aerospace Corporation
R. L. Ruiz, The Aerospace Corporation
G. F. Hawkins, The Aerospace Corporation

Williamsburg, VA

12:00 AM

Ultrasonic Characterization of Ceramic-Ceramic Composites

Section: Composites—Properties

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

Williamsburg, VA

12:00 AM

Ultrasonic Measurements of Porosity in Woven Graphite Polyimide Composites

Section: Composites—Defects

David K. Hsu, Iowa State University

Williamsburg, VA

12:00 AM

Ultrasonic Methods for Characterizing the Interface in Composites

Section: Adhesive Bonds

J. A. Simmons, National Bureau of Standards
E. Drescher-Krasicka, National Bureau of Standards
H. N. G. Wadley, National Bureau of Standards
M. Rosen, Johns Hopkins University
T. M. Hsieh, Johns Hopkins University

Williamsburg, VA

12:00 AM

Ultrasonic NDE of Laser-Damaged Organo-Matrix Composites

Section: Composites—Defects

B. R. Tittmann, Rockwell International Science Center
R. Houston, Rockwell International Science Center
B. Hosten, University of Bordeaux

Williamsburg, VA

12:00 AM

Vibrothermographic NDE of Fiberous Composites

Section: Composites—Defects

S. S. Russell, University of South Carolina
S. S. Lin, Virginia Polytechnic Institute and State University
E. G. Henneki II, Virginia Polytechnic Institute and State University

Williamsburg, VA

12:00 AM