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1 Radiated Fields of Ultrasonic Transducers
2. Fields of Continuous-Wave (cw) Transducers
3. Transient Field Characteristics
4. Control of Transducer Spatial Field Characteristics
2 The Measurement of Ultrasonic Velocity
2. Fundamentals of the Pulse-Echo-Overlap Measurement
3. Versatile Configurations
4. Modern Equipment
5. Diffraction Corrections
6. Absolute Accuracy
3 The Measurement of Ultrasonic Attenuation
2. Fundamentals of Measurement
3. Experimental Situations to be Avoided
4. Diffraction Corrections to Transform Raw Data into Absolute Measurements
5. Buffer Rod Method
6. Beyond the Fundamentals
4 Physical Principles of Measurements with EMAT Transducers
2. General Formalism for Discussion of Measurement Principles
3. Radiation into Half-Spaces
4. Coupling to Guided Modes
5. Operation in Magnetic Materials
6. Summary and Conclusions
5 Optical Detection of Ultrasound
2. Encoding and Decoding Ultrasonic Information on an Optical Beam
3. Detection Sensitivity
6 Measuring the Electrical Characteristics of Piezoelectric Devices
1. General Remarks
2. Standard Methods for Device Measurement
3. Recommended Scattering Parameter Methods
4. Estimation of Equivalent Circuit Parameters
5. Summary of Resonator Measurement Considerations
7 Photoelastic Visualization and Theoretical Analyses of Scatterings of Ultrasonic Pulses in Solids
2. The Dynamic Photoelastic Visualization Technique
3. Reflection of Bulk Waves from the Plane Boundary Surface of a Semi-Infinite Solid Medium
4. Scattering of Bulk Waves by a Two-Dimensional Plane Crack
5. Scattering of Bulk Waves by a Cylindrical Cavity
6. Scattering of Bulk Waves and Raleigh Waves by Free Corners
7. Visualization of Lamb Waves and Study of their Reflection from a Plate-Free Edge
Contents of Previous Volumes
Ultrasonic Measurement Methods describes methods used in ultrasonic measurements and covers topics ranging from radiated fields of ultrasonic transducers to the measurement of ultrasonic velocity and ultrasonic attenuation, along with the physical principles of measurements with electromagnetic-acoustic transducers (EMATs). Optical detection of ultrasound and measurement of the electrical characteristics of piezoelectric devices are also examined.
Comprised of seven chapters, this volume begins with an analysis of the radiated fields of ultrasonic transducers, followed by a discussion on the measurement of ultrasonic velocity and attenuation. The next chapter describes the physical principles of measurement with EMATs and the advantages of such devices based on their couplant-free operation. Optical detection of ultrasound is then considered, together with the problem of measuring the electrical characteristics of piezoelectric resonators and standard methods for obtaining the equivalent electrical parameter values. The final chapter is devoted to ultrasonic pulse scattering in solids and highlights many fascinating examples of wave scattering, some of which are accompanied by theoretical analysis.
This book will be of interest to physicists.
- No. of pages:
- © Academic Press 1990
- 28th March 1990
- Academic Press
- eBook ISBN:
Bell Communications Research, Inc.
Boston University, Massachusetts
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