---

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
—Material Smear
Technique Selection
Application Technique
Penetrant Removal
Selecting Developer

Quality & Process Control
Part/Penetrant Temperature
Penetrant
Dwell
Emulsifier
Wash
Drying
Developer
Lighting
System Performace Check

Other Considerations
Defect Nature
Health & Safety

References

Quizzes