Schedule

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1993
Friday, January 1st
12:00 AM

Acoustic Emission from Crack Growth in 7050 Aluminum and 7075 Aluminum as a Function of Temperature and Heat Treatment

Section: Stress and Fatigue Cracks

Stuart McBride, Royal Military College of Canada
Yanhua Hong, Royal Military College of Canada

La Jolla, CA

12:00 AM

Acoustic Emission Waveform Acquisition during Fatigue Crack Growth

Section: Stress and Fatigue Cracks

D. M. Granata, United States Department of Defense
P. Kulowitch, United States Department of Defense
W. R. Scott, United States Department of Defense
J. Talia, Wichita State University

La Jolla, CA

12:00 AM

Acoustic Harmonic Generation and Dislocation Dynamics of Fatigued Aluminum Alloys

Section: Nonlinear Effects

John H. Cantrell, University of Cambridge
William T. Yost, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Application of a Self-Calibrating Ultrasonic Technique to the Detection of Fatigue cracks by the Use of Lamb Waves

Section: Stress and Fatigue Cracks

I. N. Komsky, Northwestern University
Jan D. Achenbach, Northwestern University

La Jolla, CA

12:00 AM

Crack Length Determination by Ultrasonic Methods

Section: Stress and Fatigue Cracks

David Kent Rehbein, Iowa State University
R. Bruce Thompson, Iowa State University
Otto Buck, Iowa State University

La Jolla, CA

12:00 AM

Detection of Acoustic Second Harmonics Using a Laser Interferometer

Section: Nonlinear Effects

A. Moreau, National Research Council Canada
J. F. Bussière, National Research Council Canada

La Jolla, CA

12:00 AM

Determination of Short Crack Depth with an Acoustic Microphone

Section: Stress and Fatigue Cracks

D. Knauss, University of Oxford
D. D. Bennink, University of Oxford
T. Zhai, University of Oxford
G. A. D. Briggs, University of Oxford
J. W. Martin, University of Oxford

La Jolla, CA

12:00 AM

Enhanced Fatigue Crack Detection in Aging Aircraft Using Continuous Acoustic Emission Monitoring

Section: Stress and Fatigue Cracks

Stuart McBride, Royal Military College of Canada
Yanhua Hong, Royal Military College of Canada
Michael Pollard, Royal Military College of Canada

La Jolla, CA

12:00 AM

Fatigue Crack Characterization in Conducting Sheets by Non Contact Stimulation of Resonant Modes

Section: Stress and Fatigue Cracks

Buzz Wincheski, National Aeronautics and Space Administration
J. P. Fulton, National Aeronautics and Space Administration
R. Todhunter, National Aeronautics and Space Administration
Min Namkung, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

How Nonlinear Can Nonlinear Be?

Section: Nonlinear Effects

Mack A. Breazeale, University of Mississippi

La Jolla, CA

12:00 AM

Nonlinear Waves in Rocks

Section: Nonlinear Effects

Katherine R. McCall, Los Alamos National Laboratory
Paul A. Johnson, Los Alamos National Laboratory
G. Douglas Meegan, Los Alamos National Laboratory

La Jolla, CA

12:00 AM

Propagation of Ultrasonic Plane Waves in a Plastically Deformed Medium

Section: Nonlinear Effects

K. Ravi-Chandar, University of Houston
E. Schneider, Univeristät Saarbrücken

La Jolla, CA

12:00 AM

Quantitative Assessment of Plastic Deformation Via Acoustic Microscopy

Section: Stress and Fatigue Cracks

R. D. Weglein

La Jolla, CA

12:00 AM

Strength Assessment in Adhesive Bonds Using Nonlinear Ultrasonic Measurements

Section: Nonlinear Effects

Paul McGowan, Ohio State University
Gabor Blaho, Ohio State University
Laszlo Adler, Ohio State University

La Jolla, CA

12:00 AM

Study of Acoustic Emisison Characteristics for Fracture Assessment

Section: Stress and Fatigue Cracks

James C. Yeh, United Technologies Corporation
Chon L. Tsai, Ohio State University

La Jolla, CA

12:00 AM

Study of Interfacial Stress in Metal Matrix Composites Using Ultrasonic Velocity Measurements

Section: Nonlinear Effects

P. A. Foltyn, University of Houston
K. Ravi-Chandar, University of Houston
K. Salama, University of Houston

La Jolla, CA

12:00 AM

The Spatial Resolution of Rayleigh Wave, Acoustoelastic Measurement fo Stress

Section: Stress and Fatigue Cracks

J. C. Johnson, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla, CA

12:00 AM

The Temperature Dependence of Third-Order Elastic Constants in Metal-Matrix Composites

Section: Nonlinear Effects

H. Mohrbacher, University of Houston
K. Salama, University of Houston

La Jolla, CA

12:00 AM

Ultrasonic Assessment of Microcrack Damage in Ceramics

Section: Stress and Fatigue Cracks

Y. C. Chu, Ohio State University
M. Hefetz, Ohio State University
S. I. Rokhlin, Ohio State University

La Jolla, CA

12:00 AM

Ultrasonic Resonance Method with EMAT for Stress Measurement in Thin Plates

Section: Stress and Fatigue Cracks

H. Fukuoka, Osaka University
M. Hirao, Osaka University
T. Yamasaki, Osaka University
H. Ogi, Osaka
G. L. Peterson, RITEC, Inc.
C. M. Fortunko

La Jolla, CA

12:00 AM

Variation of Sound Velocity in Fatigued Aluminum 2024-T4 as a Function fo Hydrostatic Pressure

Section: Nonlinear Effects

Jeong K. Na, National Aeronautics and Space Administration
William T. Yost, National Aeronautics and Space Administration
John H. Cantrell, University of Cambridge

La Jolla, CA

12:00 AM