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1986
Wednesday, January 1st
12:00 AM

A Model for the Effects of Aberrations on Refracted Ultrasonic Fields

Section: Ultrasonics

R. Bruce Thompson, Iowa State University
E. F. Lopes, Iowa State University

Williamsburg, VA

12:00 AM

A Model of Pulsed Eddy Current Crack Detection

Section: Eddy Currents

R. E. Beissner, Southwest Research Institute
J. L. Fisher, Southwest Research Institute

Williamsburg, VA

12:00 AM

Acoustic Emission: Nature's Ultrasound

Section: Other

Hadyn N. G. Wadley, National Bureau of Standards and Technology

Williamsburg, VA

12:00 AM

An Assessment of Factors that Influence the Skin Depth in A.C.F.M. Crack Sizing

Section: Eddy Currents

M. C. Lugg, University College London
W. D. Dover, University College London
I. Kilpatrick, Admiralty Research Establishment
J. Cargill, Admiralty Research Establishment

Williamsburg, VA

12:00 AM

Application of Uniform Field Eddy Current Technique to 3-D EDM Notches and Fatigue Cracks

Section: Eddy Currents

Eugene Smith, United Technologies Corporation

Williamsburg, VA

12:00 AM

Backscattering of Acoustic Signals from Inhomogenuities in Solids

Section: Ultrasonics

A. M. Buoncristiani, Christopher Newport College
B. T. Smith, Christopher Newport College

Williamsburg, VA

12:00 AM

Developments in the Finite Element Modeling of Ultrasonic NDT Phenomena

Section: Ultrasonics

R. Ludwig, Colorado State University
W. Lord

Williamsburg, VA

12:00 AM

Eddy Current Field Theory for a Flawed Conducting Half-Space

Section: Eddy Currents

John R. Bowler, University of Surrey

Williamsburg, VA

12:00 AM

Elastic Wave Scattering from an Interface Crack in A Layered Half Space under Water

Section: Ultrasonics

Sheryl M. Gracewski, University of Rochester
David B. Bogy, University of California Berkley

Williamsburg, VA

12:00 AM

Elastic Wave Scattering Methods: Assessments and Suggestions

Section: Ultrasonics

J. E. Gubernatis, Los Alamos National Laboratory

Williamsburg, VA

12:00 AM

Evaluation of Ultrasonic Beam Models for the Case fo a Piston Transducer Radiating Through A Liquid-Solid Interface

Section: Ultrasonics

B. P. Newberry, Iowa State University
Timothy A. Gray, Iowa State University
E. F. Lopes, Iowa State University
R. Bruce Thompson, Iowa State University

Williamsburg, VA

12:00 AM

Fourier Descriptor Classification of Magnetite Buildup in Pwr Steam Generators

Section: Eddy Currents

S. S. Udpa, Colorado State University
W. Lord, Colorado State University

Williamsburg, VA

12:00 AM

Improved Ultrasonic Methods for GAS Turbine NDE

Section: Ultrasonics

C. R. Gostelow, Royal Aircraft Establishment
R. L. Crocker, Fulmer Research Laboratories, Ltd.
N. Saffari, University College London
L. J. Bond, University College London

Williamsburg, VA

12:00 AM

Measurement of the Induced Magnetic Field in a Flawed Tube

Section: Eddy Currents

J. A. Nyenhuis, Purdue University
J. C. Treece, Purdue University
J. M. Drynan, Purdue University
H. A. Sabbagh, Sabbagh Associates, Inc.

Williamsburg, VA

12:00 AM

Modelling of the Leakage Induction Field Through Notches at Saturation

Section: Eddy Currents

B. de Halleux, Catholic University of Louvain
B. de Meester, Catholic University of Louvain
V. Hancart, Catholic University of Louvain

Williamsburg, VA

12:00 AM

Numerical Calculations of Ultrasonic Field/Crack Interactions

Section: Ultrasonics

J. A. Johnson, EG&G Idaho, Inc.
D. M. Tow, EG&G Idaho, Inc.

Williamsburg, VA

12:00 AM

On the Accuracy of A.C. Flux Leakage, Eddy Current, EMAT and Ultrasonic Methods of Measuring Surface Connecting Flaws in Seamless Steel Tubing

Section: Eddy Currents

R. Palanisamy, Timken Company
C. J. Morris, Timken Company
D. M. Keener, Timken Company
M. N. Curran, Timken Company

Williamsburg, VA

12:00 AM

Performance of Large Scale Finite Element Eddy Current and Ultrasonic Models on a Vector Computer

Section: Eddy Currents

Nathan Ida, Akron University
Reinhold Ludwig, Colorado State University

Williamsburg, VA

12:00 AM

Pulsed Eddy-Current Crack-Characterization Experiments

Section: Eddy Currents

J. L. Fisher, Southwest Research Institute
R. E. Beissner, Southwest Research Institute

Williamsburg, VA

12:00 AM

Reflection and Transmission by an Array of Spherical Voids in an Elastic Solid

Section: Ultrasonics

Jan D. Achenbach, Northwestern University
M. Kitahara, Northwestern University

Williamsburg, VA

12:00 AM

Scattering of Elastic Waves by Small Surface-Breaking or Subsurface Cracks in Three Dimensions

Section: Ultrasonics

William M. Visscher, Los Alamos National Laboratory

Williamsburg, VA

12:00 AM

Scattering of Plane Waves by a Partially Closed Crack

Section: Ultrasonics

M. Punjani, University College London
L. J. Bond, University College London

Williamsburg, VA

12:00 AM

Separation of Spatial and Temporal Effects in an Ultrasonic Transducer

Section: Ultrasonics

Chung Chang, Cornell University
Wolfgang Sachse, Cornell University

Williamsburg, VA

12:00 AM

Surface Distributions for Eddy Current Probes

Section: Eddy Currents

D. H. Michael, University College London
P. G. Williams, University College London
F. Toufic, University College London
R. Collins, University College London

Williamsburg, VA

12:00 AM

Theoretical and Experimental Investigation of Eddy Current Inspection of Pipes with Arbitrary Position of Sensor Coils

Section: Eddy Currents

S. G. Marinov, Dresser Industries, Inc.

Williamsburg, VA

12:00 AM

Thermal Wave Scattering

Section: Other

Jon L. Opsal, Therma-Wave, Inc.

Williamsburg, VA

12:00 AM

Ultrasonic Detection and Characterization of Microspherical Defects in Model Ceramics

Section: Ultrasonics

Arthur Stockman, McMaster University
Patrick Mathieu, McMaster University
Patrick S. Nicholson, McMaster University

Williamsburg, VA

12:00 AM

Ultrasonic Imaging and the Long Wavelength Phase

Section: Ultrasonics

James H. Rose, Iowa State University

Williamsburg, VA

12:00 AM

Uniform Interrogating Field Eddy Current Technique and its Application

Section: Eddy Currents

Eugene Smith, United Technologies Corporation

Williamsburg, VA

12:00 AM