Ultrasonic Inspection Technology Development and Search Unit Design (PDF)

Foreword xiii Preface xv List of Figures xxi List of Tables xxxi 1. Introduction 1 1.1. General Characteristic of Nondestructive Testing (NDT) Methods, 1 1.2. Ultrasonic Wave Type Overview, 6 2. Introduction to Search Unit Design 13 2.1. Principles of Search Unit Design, 13 2.2. Considerations for Transducer Selection, 32 2.3. Calculation of Straight Beam Transducer Directional Characteristic, 57 3. Single Angle Beam Probe Design 65 3.1. Basics of Probe Design, 65 3.2. Considerations Related to the Practical Concept of Wedge Design, 67 3.3. Measurement of Refracted Angles, 69 3.4. Deviation of Refracted Angle Related to Thick Wall Test Object Inspection, 73 4. Dual Straight and Angle Beam Probe Design 77 4.1. Principles of Dual Straight Beam Probe Design, 77 4.2. Sequence of Wedge Calculation, 78 4.3. Sensitivity Curves, 81 4.4. Example of Dual Straight Beam Probe Design, 82 4.5. Basics of Dual Angle Beam Probe Design, 86 4.6. Wedge Conceptual Design, 87 4.7. Wedge Design for Inspection of a Test Object with Flat and Parallel Surfaces, 88 4.8. Wedge Design for the Inspection of a Test Object with a Curved Surface, 92 5. Multiple Crystal Probe Design 99 5.1. Concept of "Packaging," 99 5.2. Example of Triplex Probe Design, 103 6. Technique Development and Probe Design for TOFD Method Application 111 6.1. Introduction to Techniques Based on Diffraction Phenomena, 111 6.2. TOFD Forward Scattering Technique, 113 6.3. Examples of Probe Calculation for Curved Surface Test Object Inspection, 118 6.4. Probe Design for TOFD Back Scattering Technique, 123 7. Technique Development and Probe Design for Cylindrical Rod Inspection 135 7.1. Boundary Effect, 135 7.2. Symmetric and Asymmetric Cylindrical Rod-Guided Waves, 136 7.3. Technique Development and Probe Design for Inspection of Stepped Shaft, 140 7.4. Technique Development and Probe Design for Stud Inspection, 144 7.5. Notch Dimension Calculation for Stud Calibration Standards, 157 8. Technique Development and Probe Design

MARK V. BROOK, PhD, received his doctoral degree from Leningrad Waterway Transportation Institute, now renamed as St. Petersburg State University of Water Communications. He worked as an associate professor and was in charge of the Nondestructive Testing Laboratory there. Dr. Brook has worked for Combustion Engineering, ABB, and Westinghouse Electric Company as a consultant in the research and development of ultrasonic nondestructive testing. He holds four patents and has written numerous articles. Dr. Brook has taken part in numerous projects for developing techniques and designing probes for ultrasonic inspection of test objects, mostly for nuclear power plants.

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