Penetrant Testing

Penetrant Testing (PT) is considered by some as an extension to VT. This is a widely used NDT method that is capable of detecting very small discontinuities that are open to the surface and can detect those flaws well below the VT threshold. Virtually any solid, nonabsorbent object can be examined with PT.

PT STILLThe two major families of Penetrant Tests include visible and fluorescent penetrants and can be used in remote locations or in the shop. Considered an effective surface NDT method, it is usually used in conjunction with a volumetric method such as Radiographic Testing or Ultrasonic testing. There are a number of techniques that make this method suitable for a wide range of parts, regardless of size or quantity.

The student will understand these techniques which will be demonstrated along with a description of widely used applications.

This course will be especially beneficial to those who require a thorough understanding of the method as well as those pursuing certification. Managers, engineers and audit personnel will also find this course very useful.

NDTclassroom.com’s Penetrant Testing training is a completely video based online course taught by Gary Larson that covers:

  • Penetrant Testing theory
  • How to perform PT examinations
  • Techniques used to perform PT
  • Procedures used to perform PT
  • Requirement of PT
  • 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.

Penetrant Testing Intro
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