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1998
Thursday, January 1st
12:00 AM

A Formalism for Acoustical Traveltime Tomography in Heterogeneous Anisotropic Media

Section: Construction Materials

Lin-ping Song, Nanjing University
Shu-yi Song, Nanjing University
Shu-yi Zhang, Nanjing University
Hao-wu Liu, Sichuan Union University
Sha Chun, Chengdu Institute of Hydroelectric Research & Design
Zheng-zong Song, Chengdu Institute of Hydroelectric Research & Design

La Jolla, CA

12:00 AM

Acoustic Inspection of Bond Strength Between Mortar and Reinforcement

Section: Construction Materials

Chih-Hung Chiang, Chaoyang Institute of Technology
Yu-Cheng Kan, Chaoyang Institute of Technology
Chin-Kwen Tang, Chaoyang Institute of Technology
Chin-Song Su, Chaoyang Institute of Technology

La Jolla, CA

12:00 AM

Acoustic Microscopy Inspection of Glass Repair Techniques

Section: Materials Properties

Jane Johnson, Fraunhofer Institute for Nondestructive Testing

La Jolla, CA

12:00 AM

Acoustic, Electron and Optical Microscopy Visualization of Surface and Sub-Surface Cracks

Section: Fracture and Cracks

Z. M. Connor, Northwestern University
M. E. Fine, Northwestern University
Jan D. Achenbach, Northwestern University

La Jolla, CA

12:00 AM

Assessment of the Crack System Orientations of a Ceramic Matrix Composite Under Off-Axis Tensile Loading

Section: Fracture and Cracks

Stéphane Baste, Université Bordeaux 1
Christophe Aristégui, Université Bordeaux 1

La Jolla, CA

12:00 AM

Attenuation and Dispersion of Ultrasonic Waves in Rolled Aluminum

Section: Stress/Texture

S. Ahmed, Saint Louis University
R. Bruce Thompson, Iowa State University

La Jolla, CA

12:00 AM

Characterization and Depth Profile of Lithium Depletion in Aluminum-Lithium Alloys by Ultrasound

Section: Materials Properties

Eric A. Lindgren, Industrial Quality, Inc.
L. Peter Martin, Johns Hopkins University
Moshe Rosen, Johns Hopkins University

La Jolla, CA

12:00 AM

Characterization of Rayleigh Wave Propagation in Concrete Using Laser Ultrasonics

Section: Construction Materials

Joseph O. Owino, Georgia Institute of Technology
Laurence J. Jacobs, Georgia Institute of Technology

La Jolla, CA

12:00 AM

Characterization of the Fatigue Behavior of Austenitic Steel Using HTSL-SQUID

Section: Fracture and Cracks

H.-J. Bassler, University of Kaiserslautern
D. Eifler, University of Kaiserslautern
M. Lang, Fraunhofer-Institute for Nondestructive Testing
G. Dobmann, Fraunhofer-Institute for Nondestructive Testing

La Jolla, CA

12:00 AM

Defect Visualization and Location of Reinforcing Bars and Cables in Concrete Using Active Electromagnetic Induction Imaging

Section: Construction Materials

J. L. Simmonds, University of Manchester
P. A. Gaydecki, University of Manchester

La Jolla, CA

12:00 AM

Detection of Fatigue Crack Propagation in Steel Using Magnetic Measurements

Section: Materials Properties

Y. Bi, Iowa State University
David C. Jiles, Iowa State University

La Jolla, CA

12:00 AM

Detection of Hardness Variations of Steel Through Stainless Steel

Section: Materials Properties

J. Timothy Lovett, Foster-Miller, Inc.
O. H. Zinke, International Validators, Inc.
W. F. Schmidt, University of Arkansas

La Jolla, CA

12:00 AM

Dynamic Stress Distribution in Unidirectionally Undulated Fibrous Composites

Section: Stress/Texture

Wael G. Abdelrahman, University of Cincinnati
Adrian H. Nayfeh, University of Cincinnati

La Jolla, CA

12:00 AM

Effects of Molecular Weight on Mechanical Properties of the Polyimide Larc-SI™

Section: Materials Properties

William T. Yost, National Aeronautics and Space Administration
John H. Cantrell, National Aeronautics and Space Administration
Thomas S. Gates, National Aeronautics and Space Administration
Karen S. Whitley, National Aeronautics and Space Administration

La Jolla, CA

12:00 AM

Effects of Residual Stress on Guided Waves in Layered Media

Section: Stress/Texture

Jianmin Qu, Georgia Institute of Technology
Guoli Liu, Georgia Institute of Technology

La Jolla, CA

12:00 AM

Extension of Ahmed & Thompson Theory to General Elastic Plane Quasi-Wave Propagation in Textured Polycrystalline Material

Section: Stress/Texture

Cijayendra K. Munikoti, FORCE Institute
A. W. Eberhard Neumann, BAM

La Jolla, CA

12:00 AM

Finite Element Modeling of the Effect of Creep Damage on a Magnetic Detector Signal for Seam-Welded Steel Pipes

Section: Materials Properties

M. J. Sablik, Southwest Research Institute
David C. Jiles, Iowa State University
M. R. Govindaraju, Magnetica, Inc.

La Jolla, CA

12:00 AM

Guided Ultrasonic Waves for the Inspection of Post-Tensioned Bridges

Section: Construction Materials

Brian Pavlakovic, Imperial College
Michael Lowe, Imperial College
Peter Cawley, Imperial College

La Jolla, CA

12:00 AM

Investigation of Sound Property of Laser-Shocked Aluminum Alloy

Section: Materials Properties

X. R. Zhang, Nanjing University
Y. K. Zhang, Nanjing University
S. Y. Zhang, Nanjing University

La Jolla, CA

12:00 AM

Laser-Ultrasonic Optical Characterization of Nonmetals

Section: Materials Properties

A. Hammoutene, École Polytechnique de Montréal
F. Enguehard, École Polytechnique de Montréal
L. Bertrand, École Polytechnique de Montréal

La Jolla, CA

12:00 AM

Magnetostrictive Emat Efficiency as a Materials Characterization Tool

Section: Materials Properties

B. Igarishi, National Institute of Standards and Technology
G. A. Alers, National Institute of Standards and Technology
P. T. Purtscher, National Institute of Standards and Technology

La Jolla, CA

12:00 AM

Measurement of Acoustoelastic Effect of Rayleigh Surface Waves Using Laser Ultrasonics

Section: Stress/Texture

W.-Y. Lu, Sandia National Laboratories
L. W. Peng, Sandia National Laboratories
Stephen D. Holland, Cornell University

La Jolla, CA

12:00 AM

Nonlinear Ultrasonic Properties of As-Quenched Steels

Section: Materials Properties

D. C. Hurley, National Institute of Standards and Technology
P. T. Purtscher, National Institute of Standards and Technology
D. Balzar, National Institute of Standards and Technology
K. W. Hollman, National Institute of Standards and Technology
C. M. Fortunko, National Institute of Standards and Technology

La Jolla, CA

12:00 AM

Numerical Solution of a Direct 3D Electrostatic Resistivity Test of Green-State Metal Powder Compacts

Section: Materials Properties

S. Makarov, Worcester Polytechnic Institute
R. Ludwig, Worcester Polytechnic Institute
D. Apelian, Worcester Polytechnic Institute

La Jolla, CA

12:00 AM

Stress State Evaluation of Laminated Aluminum Alloy Sheets by Surface Acoustic Waves

Section: Stress/Texture

M. Duquennoy, Université de Valenciennes et du Hainaut Cambrésis
M. Ouaftouh, Université de Valenciennes et du Hainaut Cambrésis
M. Ourak, Université de Valenciennes et du Hainaut Cambrésis
L. Camus, Université de Valenciennes et du Hainaut Cambrésis

La Jolla, CA

12:00 AM

Structure and Deformation of Aluminum Foams Through Computed Tomography

Section: Materials Properties

David J. Sypeck, University of Virginia
Haydn N. G. Wadley, University of Virginia
Hilary Bart-Smith, Harvard University
Stephan Koehler, Harvard University
Anthony G. Evans, Harvard University

La Jolla, CA

12:00 AM

The Detection of Magnetic Phase Transitions in ER-TM by Electromagnetic Acoustic Transducers

Section: Materials Properties

C. M. Lin, University of Warwick
S. Dixon, University of Warwick
C. Edwards, University of Warwick
S. B. Palmer, University of Warwick

La Jolla, CA

12:00 AM

Thermo-Electric Detection of Early Fatigue Damage in Metals

Section: Fracture and Cracks

Peter B. Nagy, University of Cincinnati
Jiangtao Hu, University of Cincinnati

La Jolla, CA

12:00 AM

Thickness Evaluation for Steel Sheets Using Saturation Magnetization

Section: Materials Properties

G. H. Shirkoohi, South Bank University
J. Z. Cao, South Bank University

La Jolla, CA

12:00 AM

Ultrasonic Characterization of Fatigue Damage in Metal Matrix Composites

Section: Fracture and Cracks

S. I. Rokhlin, Ohio State University
M. Ganor, Ohio State University
A. D. Degtyar, Ohio State University

La Jolla, CA

12:00 AM

Ultrasonic Imaging of Cracks Under Installed Fasteners

Section: Fracture and Cracks

K. I. McRae, Canada Department of National Defence
R. W. Nolan, Canada Department of National Defence

La Jolla, CA

12:00 AM

Ultrasonic Imaging of Spall Damage Under Repeated Plate Impact Tests with C-Scan Acoustic Microscope

Section: Materials Properties

Koichiro Kawashima, Nagoya Institute of Technology
Naoya Nishiura, Nagoya Institute of Technology
Makota Takano, Nagoya Institute of Technology
Osamu Nakayama, Nagoya Institute of Technology

La Jolla, CA

12:00 AM

Ultrasonic Signal Attenuation in Engine Titanium Alloys

Section: Materials Properties

Frank J. Margetan, Iowa State University
P. D. Panetta, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla, CA

12:00 AM

Ultrasonic Wave Dispersion and Attenuation in Fluid Filled Porous Media

Section: Construction Materials

H. Tavossi, Pennsylvania State University
B. R. Tittmann, Pennsylvania State University
F. Cohen-Tenoudji, University of Paris VII

La Jolla, CA

12:00 AM