Power Sonic and Ultrasonic Transducers Design

1. Front Matter

   Pages I-X

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2. Introductory Lecture

   • B. Tocquet

   Pages 1-2

3. Power Limitations of Piezoelectric Length Expander Transducers

   • O. B. Wilson

   Pages 3-9

4. The Material for Piezoelectric Power Transducers

   • L. Eyraud

   Pages 10-24

5. Characterization of Piezoelectric Ceramics for High Power Transducers

   • P. Gonnard, P. Champ, L. Eyraud

   Pages 25-40

6. Highly Magnetostrictive Rare Earth Compounds for High Power Acoustic Projectors

   • A. E. Clark

   Pages 41-41

7. Magnetostrictive Rare Earth-Fe2 Compounds

   • A. E. Clark

   Pages 43-99

8. Trends and Problems in Low Frequency Sonar Projectors Design

   • D. Boucher

   Pages 100-120

9. Frequency, Power and Depth Performance of Class IV Flextensional Transducers

   • J. Oswin, J. Dunn

   Pages 121-133

10. Opportunities and Challenges in the Use of Terfenol for Sonar Transducers

    • J. M. Sewell, P. M. Kuhn

    Pages 134-142

11. Application of the Finite Element Method to the Design of Power Piezoelectric Sonar Transducers

    • B. Hamonic

    Pages 143-159

12. Determination of the Power Limits of a High Frequency Transducer Using the Finite Element Method

    • W. Steichen, G. Vanderborck, Y. Lagier

    Pages 160-174

13. High Power Ultrasonic Transducers for Use in Gases and Interphases

    • J. A. Gallego-Juarez

    Pages 175-184

14. Design of High Power Ultrasonic Transducers for Use in Macrosonics

    • P. Tierce, J. N. Decarpigny

    Pages 185-207

15. Power Electronic Devices for Sonar Systems

    • C. Pohlenz

    Pages 208-229

16. The Electronic Driving Sources for Ultrasonic Machining

    • B. Thirion

    Pages 230-243

17. Back Matter

    Pages 245-249

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This volume contains the Proceedings of the International Workshop on the Design of Power Sonic and Ultrasonic Transducers, which was held in the Maison de l'Entreprise et des Technologies Nouvelles, Marcq en Baroeul, near Lille, France, on May 26 and 27, 1987. The main objective of this Workshop was to discuss all aspects of high­ power problems in the design of electroacoustic transducers and to stimulate an exchange of knowledge and experience between researchers and industrial­ ists involved in this multidisciplinary field. The scientific program included 13 invited contributions, and there were 80 participants from England, France, Italy, Spain, Sweden and the United States. The editors wish to thank the authors and attendees for their active par­ ticipation, and they hope that these Proceedings will allow readers to share in the stimulating atmosphere of the sessions. They also wish to thank eve­ ryone who undertook simultaneous translation, clerical work, typing of the Proceedings, production of the illustrations, or any other of the numerous tasks connected with this venture. Special mention has to be made of Mrs. E. Litton (ISEN, Lille) for her constant and kind help from the beginning of the project to the very end of the editing, Dr. R. Bossut (ISEN, Lille) for his efficient proofreading, and Dr. H.U. Daniel (Springer-Verlag) for his interest in these Proceedings as well as his kind and efficient support.

• Phase
• Technologie
• design
• finite element method
• material
• production
• ultrasound

• Acoustics Laboratory, I.S.E.N., Lille Cedex, France

  Bernard Hamonic, Jean N. Decarpigny

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