Ut testing section 0 preparatory notes for ut

Preparatory Notes for ASNT NDT Level III Examination - Ultrasonic Testing, UT 2014-July Facilitators: Fion Zhang/ Charliechong

http://en.wikipedia.org/wiki/Greek_alphabet

Numerical Prefix  Micro - (µ) a prefix in the SI and other systems of units denoting a factor of 10-6 (one millionth)  Nano - a prefix in the SI and other systems of units denoting a factor of 10-9 (one billionth)  Pico - a prefix in the International System of Units (SI) denoting a factor of 10-12

Speaker: Fion Zhang 2014/July/31

http://meilishouxihu.blog.163.com/

Contents: 1. ASNT Level III Exam Topical Outline 2. AE Codes and Standards ■ ASTM. ■ ASME V. 3. Reading 01 Introduction to UT by ndt-ed.org with thanks (always) 1. 2. 3. 4. 5. 6.

Others reading. Addendum 1 – Equipment Calibrations Addendum 2 – Equations & Calculations. Addendum 3 – Questions & Answers Addendum 4 – Questions & Answers Part Calculations Addendum 5 – Questions & Answers Level I, II, III

ASNT UT Level III Examination Topical Outline This examination is 4 hours in length, having 135 questions of equal value. 1. Principles/Theory 2. Equipment/Materials 3. Techniques/Calibrations • Contact • Immersion • Comparison of contact and immersion methods • Remote monitoring • Calibration (electronic and functional)

https://www.asnt.org/MajorSiteSections/Certification/ASNT%20NDT%20Level%20I II%20Program/NDT%20Level%20III%20Examinations

4. Interpretation/Evaluations • Evaluation of base metal product forms • Evaluation of weldments • Evaluation of bonded structures • Variables affecting test results • Evaluation (general) 5. Procedures • Specific applications • Codes/Standards/Specifications 6. Safety and Health

References 1. Level III Study Guide: Ultrasonic Testing (2261) 2. NDT Handbook: Volume 7, Ultrasonic Testing (147) 3. Supplement to Recommended Practice No. SNT-TC-1A (Q&A Book) Ultrasonic Testing Method (2028) 4. Ultrasonics: Fundamentals, Technology, Applications (341) 5. Refresher Course: ASNT offers a UT Refresher Course based on the Body of Knowledge outlined above. The number in parentheses following each reference is the ASNT catalog number.

UT - Ultrasonic Testing Length: 4 hours Questions: 135 1. Principles/Theory • Nature of sound waves • Modes of sound wave generation • Velocity, frequency, and wavelength of sound waves • Attenuation of sound waves • Acoustic impedance • Reflection • Refraction and mode conversion • Snell’s law and critical angles • Fresnel and Fraunhofer effects

2. Equipment/Materials • Pulse/echo instrumentation • Digital thickness instrumentation • Transducer operation and theory • Transducer operation/manipulations • Resonance testing equipment • Couplants • Calibration blocks • Cables/connectors • Test specimen • Miscellaneous materials

3. Techniques/Calibrations • Contact • Immersion • Comparison of contact and immersion methods • Remote monitoring • Calibration (electronic and functional)

4. Interpretation/Evaluations • Evaluation of base metal product forms • Evaluation of weldments • Evaluation of bonded structures • Variables affecting test results • Evaluation (general) 5. Procedures • Specific applications • Codes/Standards/Specifications Reference Catalog Number NDT Handbook, Second Edition: Volume 7, Ultrasonic Testing 132 ASNT Level III Study Guide: Ultrasonic Testing 2261A Ultrasonics: Fundamentals, Technology, Applications 341

ASME V Article Numbers: Gen RT Nil UT UT PT MT ET Visual LT AE Qualif. ACFM

Article 1 Article 2 Article 3 Article 4 for welds Article 5 for materials Article 6 Article 7 Article 8 Article 9 Article 10 Article 11 (FRP) /Article 12 (Metallic) / Article 13 (Continuous) Article 14 Article 15

ASTM/ AWS Standards • ASTM E494 – 10: Practice for Measuring Ultrasonic Velocity in Materials. • ASTM standard E-164, "Standard Practice for Contact Examination of Weldments“. • AWS Structural Welding Code, section 6. • Annual Book of the American Society of Testing and Materials, ASTM. Volume 03.03, Nondestructive Testing