1. Probes, Data Acquisition and Data Pre-Processing During Ultrasonic Testing.- 1.1 Requirements for the Data Acquisition During Ultrasonic Testing. Search Techniques and Defect Analysis.- 1.2 Hardware-Equipment for Automatic Ultrasonic Inspection by the Alok-Technique.- 1.3 Numerical Filtering of Ultrasonic Backscattered Signals.- 1.4 Logarithmic Analog-To-Digital Conversion — a New Concept for the Processing of Ultrasonic Data.- 1.5 Principles and Practical Applications of Controlled Signals.- 1.6 Ultrasonic Plate Testing with a Freely Programmable Electronic System.- 1.7 Microprocessor Controlled Ut-Equipment.- 1.8 Emus-Probes for Bulk Waves and Rayleigh Waves. Model for Sound Field and Efficiency Calculations.- 1.9 Transient Radiation Pattern of Ultrasonic Transducers On Elastic Half-Spaces.- 2. Classification and Reconstruction of Defects by Ultrasonic Testing.- 2.1 Classification and Reconstruction of Defects by Combined Acoustical Holography and Line-Saft.- 2.2 Pulse-Synthesis and Pulse-Adaptation in Ultrasonic Imaging for Ndt.- 2.3 Acoustic Imaging.- 2.4 Visualization of Ultrasound by Optical Holography.- 2.5 Inspection of Thick-Walled Components by Ultrasonics and Evaluation of the Data by the Alok-Technique.- 2.6 An Ultrasonic Phased Array System for Defect Classification and Reconstruction.- 2.7 Ultrasonic Characterization of Rough Cracks..- 2.8 Surface Cracks: Size and Failure Prediction Using Long Wavelength Measurements.- 2.9 Characterization of Surface Defects by Rayleigh-Waves.- 2.10 Frequency Dependent Interaction of Ultrasonic Waves with Surface-Breaking Cracks.- 2.11 Measurement of Crack Depth with Ultrasonic Methods. Through Transmission- and Reflection Modes.- 2.12 Sizing of Near-Surface Fatigue Cracks in Cladded Pressure Vessels by the Multiple Beam-Satellite Pulse Technique.- 2.13 a Feature Based Ultrasonic System for Reflector Classification.- 3. Forward Scattering.- 3.1 Resonance Scattering Methods for Ndt, Acoustics, and Radar.- 3.2 Scattering of Ultrasonic Waves in Single Phase Polycrystalline Metals Including Multiple Scattering.- 3.3 Results on Broadband Scattering and Diffraction Suggest Methods To Classify and Reconstruct Defects in Qnde.- 3.4 Nde Technique for Detection and Characterization of Porosity.- 3.5 Effects of Mutual Coupling Between Different Points of a Scatterer on Imaging.- 3.6 Forward and Inverse Ultrasonic Scattering Measurements in Realistic Geometries.- 3.7 Bulk Defect Characterization Using Short Wavelength Measurements.- 4.1 Identification and Parametric Modeling of Transient Waves.- 4.2 Ray Methods for Scattering of Ultrasonic Waves by Cracks.- 4.3 Inverse Scattering Algorithms.- 4.4 Exact Direct and Inverse Scattering in Spatial Frequency/Time Space.- 4.5 Application of High Frequency Inverse Scattering To Nondestructive Testing.- 4.6 Extensions of Radon’s Projection Theory in Radar Target Shape Reconstruction.- 4.7 Implementation of Inverse-Scattering Algorithms for Characterizing Voids in Gas Turbine Rotor Discs.- 5. Acoustic Emission.- 5.1 Propagation and Scattering of High-Frequency and Pulsed Signals in the Presence of a Concave Boundary.- 5.2 Transfer-Functions Characterizing the Propagation of Ae-Signals.- 6. Electrical and Magnetical Methods Theory and Applications.- 6.1 Numerical Modeling of Electromagnetic Ndt Phenomena.- 6.2 a Model for the Interpretation of A.C. Magnetic Stray Flux Measurements.- 6.3 Developments and Investigations for the Application of the Pulsed Eddy Current Technique.- 6.4 Analytical Methods in Flaw Response Modeling and Inversion for Ec Testing.- 6.5 Defect Classification by Multi-Multifrequency Eddy Current.- 6.6 Materials Testing by Self-Excited Square-Wave Oscillations with New Lift-Off Compensation.- 7. Nondestructive Stress Measurement.- 7.1 Measurement of Stress.- 7.2 The Use of the Temperature Dependence of Ultrasonic Velocity To Measure Applied and Residual Stresses.- 7.3 Determination of Mechanical Stress by Polarized Shear Waves.- 7.4 Comparison of Different Methods To Determine Residual Stresses Nondestructively.- 7.5 Determination of Residual Stresses Using Micromagnetic Parameters.- 7.6 Measuring of Closure Forces with Ultrasonic Diffracted Waves.- List of Attendees.
