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Events from 1997

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A General Boundary Integral Equation Approach to Eddy Current Crack Modeling, J. Chao, Norio Nakagawa, D. Raulerson, and J. Moulder

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Boundary Element Method Based Probe Design Model Validation, J. Chao, Norio Nakagawa, D. Raulerson, and J. Moulder

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Effect of Rough Surfaces on Guided Waves in Plates, Dale E. Chimenti and O. I. Lobkis

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Development of Ultrasonic Models for Hard-Alpha Inclusions in Titanium Alloys, Chien-Ping Chiou, Frank J. Margetan, R. Bruce Thompson, and Brian Boyd

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Automatic Flaw Detection System for Eddy Current Inspection of Steam Generator Tubes, Sheng-Fa Chuang, John P. Basart, and John C. Moulder

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Experimental Studies on the Role of Backfill and Pipeline Characteristics in the Application of Acoustic Leak Location to Underground Pipelines, M. Amanda Clark, Lance E. Rewerts, and Ron R. Roberts

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Application of Measurement Models to Specification of Ultrasonic Inspections, Timothy A. Gray

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Characterizing Shear Wave Contact Transducers by Immersion Scanning, David K. Hsu, Vinay Dayal, and Brent A. Fischer

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Shear Wave Ultrasonic Technique as an NDE Tool for Composite Laminates Before and After Curing, D. K. Hsu, Brent A. Fischer, and Melanie Koskamp

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Effects of Stress on the Magnetic Properties of Steels, David C. Jiles

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Issues in the High Resolution Acoustoelastic Measurement of Stress, J. C. Johnson and R. Bruce Thompson

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Implementation of Self-Noise Suppression Techniques for Ultrasonic Correlation Systems, Jahangir K. Kayani, Steve F. Russell, and Samuel J. Wormley

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Texture Analysis Using Multiresolution Analysis for Ultrasound Tissue Characterization, Nam-Deuk Kim, Viren Amin, Doyle Wilson, Gene Rouse, and Satish S. Udpa

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The Wavefield of an Ultrasonic Angle Beam Shear Wave Transducer: An Elastodynamic Approach, Terence P. Lerch, Lester W. Schmerr, and Alexander Sedov

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Anisotropic Materials Characterization Using Air-Coupled Ultrasound, O. I. Lobkis and Dale E. Chimenti

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Ultrasonic Grain Noise Modeling: Recent Applications to Engine Titanium Inspections, Frank J. Margetan, Isaac Yalda, R. Bruce Thompson, J. Umbach, U. Suh, P. J. Howard, D. C. Copley, and R. Gilmore

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Improved Methodology for Predicting POD of Detecting Synthetic Hard Alpha Inclusions in Titanium, William Q. Meeker, Shuen-Lin Jeng, Chien-Ping Chiou, and R. Bruce Thompson

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Sensitivity Analysis of the Ultrasonic Response from a Non-Normal Surface-Breaking Crack, A. Minachi, Frank J. Margetan, R. Bruce Thompson, and M. S. Greenwood

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Recent Developments of Eddy Current Inspection Simulator, Norio Nakagawa, M. Garton, J. C. Moulder, J. H. Rose, and J. Xu

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Progress in Eddy Current Modeling via the Boundary Element Method, Norio Nakagawa, S. Ghanekar, D. Lehther, Y Liu, J. C. Moulder, A. N. S. Prasad, F. Rizzo, and J. C. Chao

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Observation and Interpretation of Microstructurally Induced Fluctuations of Back-Surface Signals and Ultrasonic Attenuation in Titanium Alloys, P. D. Panetta, Frank J. Margetan, Isaac Yalda, and R. Bruce Thompson

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Parametric Imaging of Surface Hardness Using Barkhausen Technique, A. P. Parakka and David C. Jiles

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Micromagnetic Changes in Steel Due to Surface Modification, A. P. Parakka, David C. Jiles, H. Gupta, and M. Zang

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Dispersion Compensation in Acoustic Emission Pipeline Leak Location, Lance E. Rewerts, Ron R. Roberts, and M. Amanda Clark

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Ultrasonic Modeling Using Finite Domain Cubic Phase Integrals, R. A. Roberts

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Extreme Sensitivity of Eddy-Currents to the Surface Conditions of Nickel, James H. Rose, Cheng-Chi Tai, and John C. Moulder

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Modeling the Propagation of Bounded Beams Through Curved Interfaces, Lester W. Schmerr Jr., Terence P. Lerch, and Alexander Sedov

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New Method for Estimating the Depth of Small Surface-Breaking Cracks from Photo Inductive Data, Ananth Sethuraman and James H. Rose

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Finite Element Modeling of Ultrasonic Waves in Viscoelastic Media, Paul Stucky and William Lord

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Characterization of Coatings on Magnetic Metals Using Swept-Frequency Eddy Current and Transient Eddy Current Methods, Cheng-Chi Tai, James H. Rose, and John C. Moulder

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Development and Application of UT Models in Titanium Inspection Development, R. Bruce Thompson

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Evaluation of Spot Welds by Various Techniques, D. Utrata, S. Piela, and S. Nath

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Fast Eddy Current Forward Models Using Artificial Neural Networks, Bing Wang, John P. Basart, and John C. Moulder

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Evaluation of Java as an Internet Delivery Tool, S. J. Wormley

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Characterization of Ultrasonic Focused Transducers Using Axial Scans and C-Scans, I. Yalda, P. D. Panetta, Frank J. Margetan, and R. Bruce Thompson

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Interaction of Acoustic Beams with Lossy Fluid-Loaded Layered, Cylindrical Shells, Han Zhang and Dale E. Chimenti

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Probability of Detection Model for Pipeline Inspection, Zuorong Zhang, Yue Zhang, Lalita Udpa, and Satish S. Udpa

Events from 1996

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Application of Spread-Spectrum Ultrasonic Evaluation to Concrete Structures, Muhammed A. K. Afzal, Steve F. Russell, Jahangir K. Kayani, and Samuel J. Wormley

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Heavy Metal Contamination Detection Using X-Rays, T. Aljundi, T. Jensen, and Joseph N. Gray

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Variance of the Ultrasonic Signal from a Defect Beneath a Rough Surface, Mehmet Bilgen and James H. Rose

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Computer Assisted Eddy Current Probe Design, J. C. Chao, A. N. S. Prasad, Norio Nakagawa, and D. Raulerson

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Eddy Current Flow Near an Edge: A Comparison between Stratton-Chu and Magnetic Potential Formulations, J. Chao, D. Lehther, J. C. Moulder, and Norio Nakagawa

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Eddy Current Detection of Fatigue Microcrack Distributions in Al-SiC Composites, E. Y. Chen, L. Lawson, M. Meshii, J. C. Moulder, and T. Khan

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Quantitative Materials Characterization of Elastic Plates Using Air-Coupled Leaky Lamb Waves, Dale E. Chimenti, A. Safaeindi, and O. I. Lobkis

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Modeling of Ultrasonic Signals from Weak Inclusions, Chien-Ping Chou, Frank J. Margetan, and R. Bruce Thompson

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New Work in Acoustic Leak Location in Underground Pipelines, M. A. Clark, Ronald A. Roberts, and L. E. Rewerts

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A Novel Image Processing Algorithm for Enhancing the Probability of Detection of Flaws in X-Ray Images, Nawapak Eua-Anant, Ibrahim Elshafiey, Lalita Udpa, and Joseph N. Gray

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Application of Shear Waves for Composite Laminate Characterization, Brent A. Fischer and David K. Hsu

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Distance Amplitude Correction Factors for Immersion Ultrasonic Measurements through Curved Surfaces, Timothy A. Gray, Mike Garton, and Paul Zombo

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Ultrasonic NDE Techniques and the Effects of Flaws on Mechanical Performance in Multi-Directionally Reinforced Textile Composites, R. D. Hale, David K. Hsu, and D. A. Adams

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Effect of Texture on Ultrasonic Backscattering Coefficient in Pure Titanium Plate, Y. K. Han, R. Bruce Thompson, Isaac Yalda, Frank J. Margetan, A. J. Anderson, M. Hirao, and J. Root

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Quantitative Measurement of Metal Loss Due to Corrosion in Aluminum Aircraft Skin, David K. Hsu, T. C. Patton, Vinay Dayal, B. L. Hinzie, and Joseph N. Gray

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Analysis of Compressibility Origins in Monolithic Ceramic Suspensions Using X-Ray Imaging Techniques, S. P. Huss, Joseph N. Gray, and C. H. Schilling

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A Model of X-Ray Film Response, T. Jensen, T. Aljundi, Joseph N. Gray, and R. Wallingford

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Effects of System’s Limitations on the Accuracy of Measured Ultrasonic Correlated Signal, Peter Jeong, Timothy A. Gray, and Lester W. Schmerr Jr.

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Iowa Demonstration Laboratory for NDE Applications Project Review, B. Larson, L. Brasche, and D. Utrata

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Eddy Current Characterization of Flaws in NiCoCrAlY-Coated Nickel-Base Superalloys, Brian Larson, John Moulder, and Paul Zombo

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Edge Crack Detection: A Theoretical and Experimental Study, D. Lehther, J. Chao, Norio Nakagawa, and J. C. Moulder

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Modeling the Ultrasonic Radiation of Shear Wave Angle Beam Transducers, Terence P. Lerch, Lester W. Schmerr Jr., and Alexander Sedov

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Geometry and Diffraction Effects in Acoustic Beam Reflection Studies from a Fluid-Loaded Plate, O. I. Lobkis, A. Safaeinili, and Dale E. Chimenti

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Novel X-Ray Imaging Method for Evaluating Defect Evolution in Ceramic Tapes, C. W. Maranville, Joseph N. Gray, and C. H. Schilling

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Predicting Gated-Peak Grain Noise Distributions for Ultrasonic Inspections of Metals, Frank J. Margetan, Isaac Yalda, and R. Bruce Thompson

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Adaptation of a Marine Echo-Sounder to Support UST Remediation Activities at Hanford Nuclear Reservation, C. Marmaras, M. A. Clark, and D. M. Martin

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Methodology for Estimating Nondestructive Evaluation Capability, William Q. Meeker, R. Bruce Thompson, Chien-Ping Chiou, Shuen-Lin Jeng, and William T. Tucker

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Ultrasonic Wave Propagation through Nozzles and Pipes with Claddings around their Inner Walls, A. Minachi and R. Bruce Thompson

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Extended Magnetic Potential Method for Quasi-Static Electromagnetism and Eddy Current Phenomena, Norio Nakagawa and J. Chao

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Imaging of Creep Damaged CrMo Steel Piping Using Magnetic Parameter Variations, M. A. Negley and David C. Jiles

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Ultrasonic Attenuation Measurements in Jet-Engine Titanium Alloys, P. D. Panetta, Frank J. Margetan, Isaac Yalda, and R. Bruce Thompson

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Estimation of Grinding Burn Damage Using Barkhausen Technique, A. Parakka, David C. Jiles, H. Gupta, and S. Jalics

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Type discrimination of Various Welding Defects Created During Production and In-Service Use, David K. Rehbein and Timothy A. Gray

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Aperture Integral Ultrasonic Pulse Transmission Model, Ronald A. Roberts

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Integrity Monitoring of Pressurized Gas Cylinders Using the SSUE Technique, Steve F. Russell, Jahangir K. Kayani, Muhammad A. K. Afzal, and Samuel J. Wormley

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Air-Coupled Ultrasound and Leaky Lamb Waves in Composites, A. Safaeinili, O. I. Lobkis, and Dale E. Chimenti

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Eddy-Current Detection of Pitting Corrosion in Aircraft Lap-Splices, Radhika Satveli, John C. Moulder, and James H. Rose

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Mechanical Reciprocity Principles and Ultrasonic Measurement Models, Lester W. Schmerr Jr. and Alexander Sedov

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Thickness and Conductivity of Metallic Layers from Pulsed Eddy Current Measurements, Cheng-Chi Tai, James H. Rose, and John C. Moulder

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A Generalized Model of the Effects of Microstructure on Ultrasonic Backscattering and Flaw Detection, R. Bruce Thompson

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Wavelet Expansions in Volume Integral Method of Eddy-Current Modeling, Bing Wang, John P. Basart, and John C. Moulder

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Survey of Ultrasonic Grain Noise Characteristics in Jet Engine Titanium, I. Yalda, Frank J. Margetan, K. Y. Han, and R. Bruce Thompson

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Linearized MFL Model for Embedded Flaw Detection in Rails, Z. Zhang, L. Udpa, S. S. Udpa, A. S. Athavale, A. S. Athavale, D. Utrata, J. Si, and Y. Sun

Events from 1995

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Concept Validation and Detectability Limitations for Direct-Sequence Spread-Spectrum Ultrasonic Evaluation System, Muhammad A. K. Afzal, Steve F. Russell, Jahangir K. Kayani, Sangmin Bae, Karl F. Hoech, and Samuel J. Wormley

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Influence of Columnar Microstructure on Ultrasonic Backscattering, S. Ahmed and R. Bruce Thompson

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Calculation and Measurement of Exposure Buildup Factors for X-Ray Radiography, Taher L. Aljundi and Joseph Nahum Gray

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Ultrasound Tissue Characterization for Quality Grading of Beef Carcasses, Viren Amin, Ronald Roberts, Alpesh Patel, Doyle E. Wilson, Gene H. Rouse, and Huilian Zhang

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Tissue Elasticity Estimation from Ultrasonic A-Mode Signals and B-Mode Images, Mehmet Bilgen, Viren Amin, Ronald Roberts, Gene H. Rouse, and Doyle E. Wilson

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Ultrasonic Signals from "Worst-Case" Hard-Alpha Inclusions Beneath a Random Rough Surface, Mehmet Bilgen and James H. Rose

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Detection of Creep in CR-MO Steel by Magnetic Hysteresis Measurements, Z. J. Chen, A. Mitra, S. B. Biner, David C. Jiles, and M. J. Sablik

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Ultrasonic Signal Characterizations of Flat-Bottom Holes in Titanium Alloys: Experiment and Theory, Chien-Ping Chiou, Frank J. Margetan, and R. Bruce Thompson

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Ultrasonic Signal-To-Noise Ratio Enhancement Using Adaptive Filtering Technique, Chien-Ping Chiou, R. Bruce Thompson, and Lester W. Schmerr

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An Experimental Study of Ultrasonic Beam Reflection from Fluid Loaded Cylindrical Shells, Todd Cloutier, Ali Safaeinili, Dale E. Chimenti, Smaine Zeroug, and L. B. Felsen

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Modeling of Electromagnetic NDE of Civil Structures, I. Elshafiey, L. Udpa, and S. S. Udpa

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Optimizing Compton Back Scattering Parameters Using a Simulation Code, Joseph Nahum Gray, Taher L. Aljundi, and Aaron Turnbull

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Model-Based Characterization of Planar and Focused Immersion Ultrasonic Transducers, Timothy A. Gray

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Ultrasonic NDE of Three-Dimensional Textile Composites, R. D. Hale and David K. Hsu

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Relationship Between the Two-Point Correlation of Elastic Constants and Backscattered Ultrasonic Noise in Two-Phase Titanium Alloys, K. Y. Han and R. Bruce Thompson

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Automatic Generation and Execution of Eddy Current Scan Plans, C. N. Hebbalae, R. Atthivarapu, D. Lehther, Norio Nakagawa, and John C. Moulder

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Correlation of NDE Results with Fiber Density and Porosity Content in a Metal Matrix Composite, David K. Hsu, L. X. He, J. P. Basart, P. K. Liaw, and G. Y. Baaklini

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RTSIM: A Computer Model of Real-Time Radiograph, T. Jensen and Joseph Nahum Gray

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Measurement Model-Based Prediction of Correlated Flaw Signal, Peter Jeong, Tim Gray, and Lester Schmerr

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Determination of Rayleigh and Lamb Wave Velocities in Diamond Films using an Acoustic Microscope, J. C. Johnson, R. Bruce Thompson, and Eric E. Jamieson