Piezo-Particulate Composites

Preface

1. Piezo-active Composites: Classification and Effective Physical Properties

1.1. Piezo-active Composites as Modern Active Dielectrics

1.2. Criteria of Classifications of Composites

1.3. Microgeometry and Connectivity

1.4. Effective Physical Properties of Piezo-active Composites

1.4.1. Piezoelectric Medium and Its Characteristics

1.4.2. Methods for Evaluation of Effective Properties

1.4.3. Electromechanical Coupling Factors and Figures of Merit

1.4.4. Effects of Addition, Combination and Generation of Properties in Composites Based on Ferroelectrics

1.5. Conclusion

1.6. References

2. Aspects of Composite Manufacturing

2.1. Methods for Manufacturing

2.2. Role of Ceramic and Polymer Components

2.3. Role of Electric Poling

2.4. Dielectrophoresis, Its Characteristics and Advantages

2.4.1. Effect of Dielectrophoresis Structuring on Electrical Displacement

2.4.2. Effect of Dielectrophoresis Structuring on Electromechanical Strain

2.4.3. Reproducible Composite Patterns and Related Microgeometric Features

2.5. In Situ Structuring and Poling

2.6. Conclusion

2.7. References

3. Experimental Studies on Effective Properties and Related Parameters of Piezo-particulate Composites

3.1. Microgeometry of Piezo-particulate Composites

3.2. Ferroelectric Behaviour and Related Parameters

3.3. Pyroelectric Properties

3.4. Dielectric Properties

3.5. Enhancing Piezoelectric Sensitivity

3.6. Relations Between Piezoelectric Sensitivity and Anisotropy

3.7. Conclusion

3.8. References

4. Modelling of the Composite Structure Formation During Dielectrophoresis

4.1. Dielectrophoretic Force

4.2. Viscous Drag

4.3. Examples of Modelling

4.4. Interaction Between Ceramic Particles and Their Influence on the Composite Structure

4.5. Conclusion

4.6. References

5. Prediction of Effective Properties of Composites Based on Ferroelectric Ceramics

5.1. 0-3 Connectivity Patterns and Properties of Composites

5.2. 1-3 Connectivity Patterns and Properties of Composites

5.3. Piezoelectric Properties and Their Anisotropy

5.5. Figures of Merit

5.6. Improving Piezoelectric Sensitivity

5.7. References

6. From Microgeometry to Improved Properties of Piezo-particulate Composites

References

Appendix A. List of Abbreviations

Appendix B. About the Authors

Index