Habib, Anowarul: Ultrasonic characterization and defect detection in piezoelectric materials. 2013
Inhalt
- Abstract
- Zusammenfassung
- Table of Contents
- List of Abbreviations
- Scope and Outline of the Thesis
- 1 Introduction
- 2 Theory
- 2.1 Stress and Strain
- 2.2 Christoffel Equation
- 2.3 Normal Modes in Unbounded Media
- 2.4 Plane Waves in Unbounded Isotropic Media
- 2.5 Plane Waves in Unbounded Anisotropic Media (in contracted notation)
- 2.6 Acoustic wave equation in piezoelectric media
- 3 Methodology: Scanning Acoustic Microscope
- 3.1 Scanning Acoustic Microscope
- 3.2 Principles of Scanning Acoustic Microscopy
- 3.3 Theory of Acoustic Material Signature Curve
- 3.4 Ultrasonic Characterization of c-axis Oriented Polycrystalline AlNFilm Using Scanning Acoustic Microscopy
- 3.5 Mechanical Characterization of Sintered Piezoelectric Ceramic Material Using Scanning Acoustic Microscope
- 4 Methodology: Coulomb Coupling
- 4.1 Coulomb Coupling
- 4.2 Experimental Setup for Coulomb Coupling Excitation and Detection
- 4.3 Quadrature Detection Scheme
- 4.4 Experimental Setup for Local Electrical Field Probe Technique
- 5 Imaging of Acoustic Waves in Piezoelectric Ceramics by Coulomb Coupling
- 6 Vector Contrast Imaging of Surface Acoustic Waves by Local Electric Field Probes
- 7 Scattering and Attenuation of Surface Acoustic Waves and Surface Skimming Longitudinal Polarized Bulk Waves Imaged by Coulomb Coupling
- 8 Conclusion and Outlook
- Acknowledgements
- Bibliography