Microwave Non-Destructive Testing and Evaluation Principles

1 Introduction.- 1.1 General remarks.- 1.2 Microwave frequency bands.- 1.3 Required prior knowledge.- 1.4 Organization of chapters.- 1.5 Acknowledgment.- References.- 2 Material characterization.- 2.1 Introduction.- 2.2 Dielectric properties.- 2.3 Carbon black loaded rubber.- 2.4 Resin binder.- 2.5 Porosity estimation in polymer composites.- 2.6 Rust dielectric properties.- 2.7 Dielectric mixing models.- 2.8 Summary.- References.- 3 Layered dielectric composite evaluation.- 3.1 Introduction.- 3.2 What may be accomplished 5.- 3.3 Field regions.- 3.4 Electromagnetic modeling of the interaction of an open-ended rectangular waveguide with multi-layered dielectric composites.- 3.5 Summary.- References.- 4 Surface crack detection.- 4.1 Introduction.- 4.2 Open-ended waveguide approach.- 4.3 Theoretical analysis for exposed cracks.- 4.4 Higher-order mode approach.- 4.5 Typical measurement results.- 4.6 Crack sizing.- 4.7 Tip location determination.- 4.8 Detection of stress-induced fatigue cracks.- 4.9 Summary.- References.- 5 Near-field measurement techniques and applications.- 5.1 Introduction.- 5.2 Measurement techniques.- 5.3 Measurement procedures.- 5.4 Near-field imaging.- 5.5 Issues associated with near-field measurements and imaging.- References.- 6 Other developments and future.- 6.1 Introduction.- 6.2 Testing and evaluation of cement based materials.- 6.3 Open-ended coaxial probes for layered composite inspection.- 6.4 Fatigue surface crack detection and evaluation in metals using open-ended coaxial probes.- 6.5 Surface inspection of rolled steel.- 6.6 Barriers and future.- References.