Home - Education Resources - NDT Course Material - Penetrant Testing
 

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Introduction to Penetrant Testing

Introduction
History
Improving Detection
—Visual Acuity
—Contrast Sensitivity
—Eye's Response to Light

Principles
Steps for Liquid PI
Common Uses for PI
Pros and Cons of PI

PT Materials
Penetrant Testing Matl's
Penetrants
—Surface Energy
—Specific Gravity
—Viscosity
—Color and Fluorescence
   —Why things Fluoresce
—Dimensional Threshold
—Stability of Penetrants
—Removability
Emulsifiers
Developers

Methods & Techniques
Preparation
—Cleaning Methods
—Metal Smear
Technique Selection
Application Technique
Penetrant Removal
Selecting Developer

Quality & Process Control
Temperature
Penetrant
Dwell
Emulsifier
Wash
Drying
Developer
Lighting
System Performance Check

Other Considerations
Defect Nature
Health & Safety

References

Quizzes
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Penetrant Inspection Quizzes

These quizzes draw from the same database of questions and differ only in the number of questions presented.  Each time a quiz is opened, a new set of random questions will be produced from the database.  The Collaboration for NDE Education does not record the names of individuals taking a quiz or the results of a quiz.

20 Question PT Quiz

35 Question PT Quiz

50 Question PT Quiz