UT Testing-Section 0

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Preparatory Notes for

ASNT NDT Level III Examination- Ultrasonic Testing, UT

2014-JuneFacilitators: Fion Zhang/ Charliechong


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


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http://www.smt.sandvik.com/en/search/?q=stress+corrosion+cracking


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Speaker: Fion Zhang2014/6/19


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ASNT UT Level III Examination Topical Outline

This examination is 4 hours in length, having 135 questions of equal value.

1. Principles/Theory2. Equipment/Materials3. Techniques/Calibrations

Contact Immersion Comparison of contact and immersion methods Remote monitoring

Calibration (electronic and functional)


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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


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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 Bodyof Knowledge outlined above.

The number in parentheses following each reference is the ASNT catalognumber.


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UT - Ultrasonic TestingLength: 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 Snells law and critical angles Fresnel and Fraunhofer effects


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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


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3. Techniques/Calibrations

Contact Immersion Comparison of contact and immersion methods Remote monitoring

Calibration (electronic and functional)


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ASME V Article Numbers:

Gen Article 1RT Article 2Nil Article 3UT Article 4 for weldsUT Article 5 for materialsPT Article 6MT Article 7ET Article 8Visual Article 9LT Article 10

AE Article 11 (FRP) /Article 12 (Metallic) / Article 13 (Continuous)Qualif. Article 14

ACFM Article 15


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ASTM/ AWS Standards

ASTM E494 10: Practice for Measuring Ultrasonic Velocity in Materials. ASTM standard E-164, "Standard Practice for Contact Examination ofWeldments.

AWS Structural Welding Code, section 6. Annual Book of the American Society of Testing and Materials,

ASTM. Volume 03.03, Nondestructive Testing


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Other Reading

http://techcorr.com/services/Inspection-and-Testing/Ultrasonic-Shear-Wave.cfm http://www.cnde.iastate.edu/faa-

casr/engineers/Supporting%20Info/Supporting%20Info%20Pages/Ultrasonic%20Pages/Ultra-principles.html

http://www.ndt.net/article/v05n09/berke/berke1.htm#0

http://www.mie.utoronto.ca/labs/undel/index.php?menu_path=menu_pages/projects_menu.html&content_path=content_pages/fac2_2.html&main_menu=projects&side_menu=page1&sub_side_menu=s2

http://www.olympus-ims.com/en/ndt-tutorials/flaw-detection/ https://www.nde-ed.org/GeneralResources/Glossary/letter/d.htm

http://www.olympus-ims.com/en/knowledge/ http://wenku.baidu.com/view/3cf257781711cc7931b716e0.html

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