Ultrasonic Measurement Methods, Volume 19

1st Edition

Serial Editors: R. Thurston Allan Pierce
Hardcover ISBN: 9780124779198
eBook ISBN: 9780323138321
Imprint: Academic Press
Published Date: 28th March 1990
Page Count: 384
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Table of Contents


Contributors


Preface


Introduction


1 Radiated Fields of Ultrasonic Transducers


1. Introduction


2. Fields of Continuous-Wave (cw) Transducers


3. Transient Field Characteristics


4. Control of Transducer Spatial Field Characteristics


References


2 The Measurement of Ultrasonic Velocity


1. Introduction


2. Fundamentals of the Pulse-Echo-Overlap Measurement


3. Versatile Configurations


4. Modern Equipment


5. Diffraction Corrections


6. Absolute Accuracy


7. Summary


References


3 The Measurement of Ultrasonic Attenuation


1. Introduction


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


7. Summary


References


4 Physical Principles of Measurements with EMAT Transducers


1. Introduction


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


References


5 Optical Detection of Ultrasound


1. Introduction


2. Encoding and Decoding Ultrasonic Information on an Optical Beam


3. Detection Sensitivity


4. Summary


Acknowledgment


References


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 Equiv


Description

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.


Details

No. of pages:
384
Language:
English
Copyright:
© Academic Press 1990
Published:
Imprint:
Academic Press
eBook ISBN:
9780323138321
Hardcover ISBN:
9780124779198

About the Serial Editors

R. Thurston Serial Editor

Affiliations and Expertise

Bell Communications Research, Inc.

Allan Pierce Serial Editor

Affiliations and Expertise

Boston University, Massachusetts