Ultrasonic Testing I (UT I)

NDT UT_thickness_screenThe Ultrasonic Testing (UT) Level I course includes a basic introduction to the theory and principles of ultrasound including frequency, velocity, and wavelength.

It addresses the variables related to the propagation, reflection, and attenuation of sound as well as the responses from discontinuities. The various wave modes are presented in a comprehensive way so that the major wave modes are fully understood. These wave modes include compressional (longitudinal or straight beam), shear (transverse), surface (Rayleigh), and thin sheet (Lamb).

The student will be able to understand the display and to calibrate the UT instrument and identify the location of reflectors and discontinuities in various test specimens. UT equipment and transducers are demonstrated. UT is also used for precise thickness measurements and the basic procedure for this is also covered. A number of techniques and applications will also be presented including discussions on the data required for precise reporting.

This course is essential for those desiring to enter and specialize in UT. It is also beneficial for those who will not be practitioners but who want to understand the basic principles and applications of Ultrasonic Testing.    

This course meets the recommendations for training as described in SNT-TC-1A.

NOTE: There is RECOMMENDED READING assigned at the beginning of the course. The completion of these assignments in addition to self-study is strongly encouraged and will add to the overall training benefit and time to be credited. It will also better prepare the student for the practical lab/’hands-on” session. It is recommended that the student a log of the self-study time. It is also recommended that the applicable Level III be involved and confirm that the reading and self-study assignments have been completed. This should become a part of the student’s training records which may be used in conjunction with subsequent certifications.

Ultrasonic Thickness Testing (UTT)

The Ultrasonic Thickness Testing course describes the basic principles of ultrasound as they apply to thickness testing of materials and components.

UT Thickness_COURSE_STILLIt concentrates on the compressional wave mode (sometimes referred to as longitudinal or “straight beam”) and provides a straight forward way to apply this technique for precise thickness measurements. The various transducers used and their advantages are presented and demonstrated including straight beam, delay line, dual element (“pitch-catch”). Variables such as surface conditions, coatings, configuration, couplant and material grain structure are all addressed, and a wide range of applications are included.

This lesson also demonstrates how to calibrate UT Thickness instruments including Digital and A-scan, take actual measurements, and collect/document results.

It is ideal for those individuals who will be taking thickness measurements with UT instruments and/or are pursuing Limited Level II UT Thickness certification. It is also applicable for those who will be providing oversight on UT Thickness operations.    

This course meets the recommendations for training as described in SNT-TC-1A.

NOTE: There is RECOMMENDED READING assigned at the beginning of the course. The completion of these assignments in addition to self-study is strongly encouraged and will add to the overall training benefit and time to be credited. It will also better prepare the student for the practical lab/’hands-on” session. It is recommended that the student a log of the self-study time. It is also recommended that the applicable Level III be involved and confirm that the reading and self-study assignments have been completed. This should become a part of the student’s training records which may be used in conjunction with subsequent certifications.

Ultrasonic Testing II (UT II)

Ultrasonic Testing (UT) Level II is an extension of UT Level I and delves into the theory and principles to a much greater depth.

After a review of the basic UT Level I subjects, variables such as beam profile, dead, near and far zones, acoustic impedance, absorption and scattering are presented. Other subjects essential for performing angle beam inspection of welds include mode conversion, refraction, and attenuation are covered. Calibration of the UT instruments is demonstrated as well as the examination of several test specimens. Immersion and through transmission are discusses along with a variety of other techniques. The evaluation and interpretation of test results along with the need for complete and accurate test reporting are presented.

This is an essential course for those practitioners who will be pursuing a career in Ultrasonic Testing and for those striving for certification as a Level II.

NDTclassroom.com’s Ultrasonic Testing (UT) Level II training is now available.  Level I will be available in the near future. 

UT Level II a completely video based online course taught by Tim MacInnis that covers:

  • Principles of Ultrasonic testing
  • Ultrasonic Testing theory
  • How to perform UT examinations
  • Equipment used to perform UT
  • Techniques used to perform UT
  • Procedures used to perform UT
  • Requirements of UT
  • How to interpret and evaluate test results

Please click on the video to the right to view an introduction.

This course meets the recommendations for training as described in SNT-TC-1A.

NOTE: There is RECOMMENDED READING assigned at the beginning of the course. The completion of these assignments in addition to self-study is strongly encouraged and will add to the overall training benefit and time to be credited. It will also better prepare the student for the practical lab/’hands-on” session. It is recommended that the student a log of the self-study time. It is also recommended that the applicable Level III be involved and confirm that the reading and self-study assignments have been completed. This should become a part of the student’s training records which may be used in conjunction with subsequent certifications.

Ultrasonic Testing Intro
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