What is Penetrant?
History of Penetrant Testing
Penetrant Testing
• Dye Penetrant • Flourescent Penetrant
What is Dye Penetrant?
Let’s introduce the items of Dye Penetrant!
How can we apply penetrant to materials?
Inspection Steps
• Pre-cleaning
• Application of penetrant
• Excess penetrant removal
• Application of developer
• Inspection
• Post cleaning
Advantages and Disadvantages
advantages
• The speed• Low cost
disadvantages
• only surface flaws • Smooth and clean
surface needed