Penetrant Testing
Introduction
- History of Penetrant Inspection
- Penetrant and Detectability of Flaws
- Visual Acuity of the Human Eye
- Contrast Sensitivity
- The Human Eye's Response to Light
Principles
- Liquid Penetrant Inspection Process
- Common Uses of Liquid Penetrant Inspection
- Advantages and Disadvantages of Penetrant Testing
Materials and Process Control
- Process Control of Temperature
- Quality Control of Penetrant
- Penetrant Testing Materials
- Penetrants
- Color and Fluorescent Brightness
- Why Things Fluoresce
- Dimensional Threshold of Fluorescence
- Ultraviolet and Thermal Stability of Penetrant Indications
- Quality Control of Dwell
- Quality Control of Emulsifiers
- Emulsifiers
- Removability
- Quality Control of Wash Temperature and Pressure
- Quality Control of Drying Process
- Quality Control of Developer
- Developers
- Quality Control of Lighting
- System Performance Check
Methods and Techniques
- Preparation of Part
- Research on Cleaning Prior to LPI
- Material Smear and Its Removal
- Selection of a Penetrant Technique
- Penetrant Application and Dwell Time
- Penetrant Removal Process
- Developer Selection and Use
- Research on Developer Use and Performance
Other considerations
Quiz