Ultrasonics International 83

ForewordSession 1 Plenary Session 1.1 Applications of Ultrasonics in Aerospace (Abstract Only)Session 2 Non-destructive Testing - 1 2.1 The Defect Sizing and Characterization Performance of an Automated, Multiprobetime-of-Flight Scanner 2.2 Automatic In-Motion Inspection of the Tread of Railway Wheels by EMA excited Rayleigh Waves 2.3 The Effect of Material Deformation on the Velocity of Critically Refracted Shear Waves in Railroad Rail 2.4 Crack Depth Estimation Using Wideband Laser Generated Surface Acoustic WavesSession 3 Medical Ultrasonics - 1 3.1 Reflectivity Tomography in Attenuating Media 3.2 Mapping of Internal Material Temperature with Ultrasonic Computed Tomography 3.3 Wave Propagation in Biological Tissue 3.4 Ultrasonic Doppler Measurement of Blood Flow Volume Rate in the AbdomenSession 4 Acoustic Emission - 1 4.1 A Theoretical Model for Evaluating Acoustic Emission Energy Release during Phase Transitions of a Shape-Memory Alloy 4.2 Acoustic Emission in Non-Ceramic Insulators 4.3 Acoustic Emission during Martensitic Transformation of Iron-Chromium Alloy 4.4 Acoustic Emission during Deformation and Fracture of CeramicsSession 5 Visualization 5.1 A New Stroboscope for Schlieren and Photoelastic Visualization of Ultrasound 5.2 Digital Ultrasonic Imaging and its Application to Skeletal Tissues 5.3 Acoustic Imaging of Cylindrical SpaceSession 6 Material Characterization 6.1 Ultrasonic Characterization of Oxygen Contaminated Titanium 6211 Plate 6.2 Ultrasonic Materials Characterization of Melt Spun Metallic Ribbons 6.3 Measurement of near-Surface Ultrasonic Absorption by the Thermoemissivity and Application to the Determination of the Absorption in Magnetic Materials (Abstract Only)Session 7 Opto-Acoustics - 1 7.1 On the Crossroads of Ultrasonics and Optics 7.2 Experimental Verification of Diffraction of Light by Phase Shifted Adjacent Ultrasound Beams of Frequency Ratio 1:n, P>>1 7.3 Optical Absorption of Powders Determined by the Photoacoustic EffectSession 8 Non-Destructive Testing - 2 8.1 Computerized, Robotic Ultrasonic C-scan System for Inspection of Aerospace Structures (Abstract Only) 8.2 The Calibration of Ultrasonic Equipment for Measuring Tube Wall Thickness 8.3 Development of Ultrasonic Methods for the Non-destructive Inspection of Concrete 8.4 The Use of Ultrasonics for Visualizing Components of the Prototype Fast Reactor Whilst Immersed in SodiumSession 9 Physics of Ultrasonics - 1 9.1 Propagation of Ultrasonic Waves in Inhomogeneous Media (Abstract Only) 9.2 Peizoelectrics as Phonon Echo Generating Materials 9.3 Measurement of Transverse Acoustic Impedance: Liquid HeliumSession 10 High Power Ultrasonics - 1 10.1 Large Amplitude Characteristics of Bolt-Clamped Langevin Type Vibrator 10.2 A High Power Ultrasonic System for Material Testing and Material Compaction (Abstract Only) 10.3 An Experimental Study of the Mechanics of Ultrasonic Tube-Bending 10.4 Studies on the Ultrasonic Vibration Press of Powder with a Vibration Die 10.5 Fatigue of Structural Materials at Ultrasonic Loading FrequenciesSession 11 Underwater Ultrasonics 11.1 An Ultrasonic Exploration Technique for Finding Oil under Arctic Sea Ice 11.2 Tracking and Imaging of a Sound Source Using a Sinusoidal Frequency Modulated Ultrasonic Wave 11.3 The Sensitivity of Fisheries Acoustic Survey Data to Certain Equipment Parameters (Abstract Only) 11.4 A High Frequency Multichannel Subbottom ProfilerSession 12 Non-Destructive Testing - 3 12.1 Acoustic Stress Measurement in Aluminum and Steel considering Differences in Texture Due to Rolled Plate Thickness 12.2 Ultrasonic Time Intervalometer for Quantitative Studies of Surface Properties in Solids 12.3 Immersion Coupled Phased Array for Inspection of Offshore Structures 12.4 Ultrasonics in Offshore InspectionSession 13 Medical Ultrasonics - 2 13.1 Loudness of Airborne Ultrasonic Noise 13.2 Precision Thickness Gauging Using Digitized rf Waveforms 13.3 Attenuation Estimation by Spectral Smoothing 13.4 A Diaphragm Type Strain Gauge Ultrasonic Power MeterSession 14 Physics of Ultrasonics - 2 14.1 The Nonlinear Response of Gas-Filled Micropores to Ultrasound at MHz Frequencies 14.2 Backscattering of a Bounded Ultrasonic Beam at Rayleigh Angle from Plane and Curved Liquid-Solid Interfaces 14.3 Parametric Interaction of Acoustic Waves in a Thermopiezosemiconducting MediumSession 15 Acoustic Microscopy 15.1 Acoustic Microscopy: a New Tool for the Study of Condensed Matter 15.2 A Precision Acoustic Microscope for Surface Characterization 15.3 Acoustic Microscope with Rayleigh Angle IncidenceSession 16 Optoacoustics - 2 16.1 On the Diffraction of Light by Adjacent Parallel Ultrasonic Waves. A General Theory 16.2 Optical Generation of Surface Acoustic Waves for Photoacoustic Microscopy and SpectroscopySession 17 Transducers - 1 17.1 New Advances in the Generation of Directional Sonic and Ultrasonic Radiation 17.2 Temperature Distribution in an Ultrasonic Power Transducer 17.3 Field Structures of Disc Transducers with Specialized Electrode Configurations 17.4 Cyclic Strength of Piezoelectric Ceramics for TransducersSession 18 Acoustic Emission - 2 18.1 Comparison of Simulated Acoustic Emission Sources 18.2 Particle Characterization by Acoustic Emission Analysis 18.3 Acoustic Emission Linear Pulse Holography 18.4 Acoustic Emission Study of Electromigration Induced Extrusions in Thin Film Al/Cu ConductorsSession 19 High Power Ultrasonics - 2 19.1 Nonlinear Acoustics: Ancient Foundations-Modern Objectives-Exciting Applications 19.2 Studies on the Ring Type Magnetic Ultrasonic Vibration Detector 19.3 Ultrasonics for Inhibiting Biofouling 19.4 Studies on Ultrasonic Metal Welding-on the Limit of Ultrasonic Spot Welding and on the Trial of Ultrasonic Butt Welding 19.5 Recent Advances in Ink Jet TechnologySession 20 Non-Destructive Testing - 4 20.1 An Ultrasonic Signal Analyzer for Automatic Inspection of Turbine Discs 20.2 Applications of Controlled Signals in Ultrasonic Testing of Materials 20.3 Far-Field Signals from Axis-Symmetric Sources in Elastic Plates 20.4 Defect Discrimination Using an Ultrasonic Echo Phase Method (Abstract Only)Session 21 Transducers - 2 21.1 An under Liquid Electromagnetic Acoustic Transducer 21.2 Theoretical and Experimental Study of the Efficiency of an Ultrasonic Transducer 21.3 Cardioid Directivity Conditions for a Hydrophone 21.4 Simulation of the Acousto-Electric Response of Ultrasonic Narrow Strip Transducers with Mechanical LossesSession 22 Instrumentation 22.2 A Fourier Transform Technique for the Accurate Measurement of Phase Delay of Ultrasonic Waves for Residual Stress Determination 22.3 Wideband Spectral Analysis of Composite Materials 22.4 Automated Ultrasonic Inspection and Data Collection SystemSession 23 Physics of Ultrasonics - 3 23.1 Acoustic Field Analysis of SAW Beams Parametrically Generated in Nonlinear Mixing Processes 23.2 Surface and Bulk Waves Interaction with Periodic Structures 23.3 Ultrasonic Elastic Wave Model Studies 23.4 Ultrasonic Testing of Anisotropic MediaPoster Sessions 1 A New Non-invasive Technique for Detecting the Presence of Liquid at a Specific Level in a Vessel 2 Leak Detection in Recovery Boilers Using Acoustic Emission 3 A High Resolution Relative Ranging System Using Demodulated Signal of Sinusoidal fm ultrasonic Wave 4 Impedance Profiling of Human Tissues 5 Photoelastic Visualization of Ultrasonic Waves in a Rail 6 Orientation and Structure of rf Sputtered Zinc Oxide Films on Metal Substrates 7 Shortening and Standardizing the Pulse Shape of Piezoelectric Transducers in the Megahertz Region 8 Polymerization Initiated by Ultrasonic Cavitation 9 Studies of Stress and Creep Relaxation under Ultrasonic Cyclic Loading 10 Ultrasonic Propagation in Plastically Deformed Sandstone (Abstract Only) 11 A Selective Audio Signaling System 12 Localized Hyperthermia by Ultrasound and its Repartition 13 Computer Control of Radiated Pressure from an Ultrasonic ProjectorPanel Discussion 'Ultrasonics-Trends for the Future'Author Index