Liquid Penetrant Testing Level II
Scope
This course covers the principles of Liquid Penetrant Testing and prepares a candidate to :
- Setup and calibrate equipment
- Interpret and Evaluate Results with respect to Applicable Codes, Standards and Specifications
- Familiar with the scope and limitations of the Methods
- Write test reports.
Training
Training Material is presented in Module that are followed by Quizzes
Examination
- General
- Specific
- Practical
Candidates must score a minimum of 70 % in each individual test and a minimum
average of 80% in all three tests.
General Training
Module 1 : Introduction
- Purpose of Liquid Penetrant Testing
- Physical Principles : Capillary Action
- Types of Dye: Type I and Type II
- Different Methods of Removal of Excess Penetrant including Water Washable, Emulsifiers and
Solvent Removable
- Limitations of Penetrant Testing
Module 2 : Equipment and Material Required
- Different Cleaning Methods including Detergent, Solvent, Alkaline, Steam, Ultrasonic Cleaning, Vapor Degreasing, Etching,
Paint Remover
- Penetrant Test Equipment Stationary & Portable kit
- Black Light Equipment
- Penetrant Testing Materials
- Safety Precautions
Module 3 : Surface Preparation and Penetrant Apllication
- Choice of Cleaning Method
- Physical Principles : Capillary Action
- Different ways of Applying Penetrants
- Dwell Time
- Choice of Remove Surface Excess Penetrant Method
Module 4 : Emulsification, Penetrant Removal & Apply Developer
- Penetrant Removal with Post-Emulsification Method
- Emulsification Time
- Application of Developers
- Types of Developers
Module 5 : Final Steps
- Interpretation of Test Results
- Types of Indications : True, False, Relevant and Non Relevant Indications
- Quality Control of Penetrant Test Materials
Module 6 : Types of Discontinuities and Indications
- Types of Discontinuities: Inherent, Processing and Service
- Casting Discontinuities: Hot Tear, Cold Shut, Porosity, Shrinkage
- Primary Processing Discontinuities including discontinuities in Rolling, Forging, Drawing, Extruding
- Secondary Processing Discontinuities including discontinuities in Grinding, Heat
- Treating, Machining, Welding, Plating
- Service Discontinuities: Erosion, Wear, Fatigue, Corrosion, Creep, Hydrogen Attack
Module 7 : Training, Certification, and Qualification
- ASNT SNT-TC-1A
- Written Practice
- Certification of NDT Personnel
Specific Training
Code
- ASME BPV Code Section V Article 6
> T-610 Scope
> T-620 General
> T-630 Equipment
> T-640 Miscellaneous Requirements
> T-650 Technique
> T-660 Calibration
> T-670 Examination
> T-680 Evaluation
> T-690 Documentation
- ASME BPV Code Section VIII (Accept/Reject Criteria)
- ASME B 31.1 – Power Piping
Standard
- ASTM E-165
- ASTM E-1417
Other codes and standards can be discussed if pre arranged with the instructor at the time
of registration
Procedure
- Qualification Procedure (QP-01)
Practical Training
- Training on Weld defect samples (Flaw Tech sample kits)