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Liquid Penetrant Course Outline |
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A typical Liquid Penetrant Testing course outline. Courses are modified to meet your needs.
- Introduction
- Brief history of nondestructive testing and liquid penetrant testing
- Purpose of liquid penetrant testing
- Basic principles of liquid penetrant testing
- Types of liquid penetrants commercially available
- Method of personnel qualification
- Liquid Penetrant Processing
- Preparation of parts
- Adequate lighting
- Application of penetrant to parts
- Removal of surface penetrant
- Developer application and drying
- Inspection and evaluation
- Postcleaning
- Various Penetrant Testing Methods
- Current ASTM and ASME standard methods - ASTM specifications
- Characteristics of each method
- General applications of each method
- Liquid Penetrant Testing Equipment
- Liquid penetrant testing units
- Lighting equipment and light meters
- Materials for liquid penetrant testing
- Precautions in liquid penetrant inspection
- Selection of the Appropriate Penetrant Testing
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- Advantages of various methods
- Disadvantages of various methods
- Inspection and Evaluation of Indications
- Discontinuities inherent in various materials
- Reason for indications
- Appearance of indications
- Time for indications to appear
- Effects of temperature and lighting (white to UV)
- Effects of metal smearing operations (shot peening, machining, ect.)
- Indications from cracks
- i. Cracks occurring during solidification
- ii. Cracks occurring during processing
- iii. Cracks occurring during service
- i. Forgings
- ii. Castings
- iii. Plate
- iv. Welds
- v. Extrusions
- i. True indications
- ii. False indications
- iii. Relevant indications
- iv. Nonrelevant indications
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- Indications from porosity
- Indications from specific material forms
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- Evaluation of indications
- Process Control
- Controlling process variables
- Testing and maintenance materials
- Inspection Procedures and Standards
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