Liquid Penetrant Testing-Practical Demonstration

- This module covers the Practical Demonstration of LPT.

1. Surface conditions and preparation requirements.

2. Pre-cleaning requirements and pre-cleaning methods.

3. Effects of Surface Temperature, Requirements and Verification.

4. PT Technique selection.

4.1 Nature of material and type of discontinuity to be detected.

4.2 Sensitivity requirements.

4.3 Size of shape part under examination.

4.4 Availability of electricity and water.

5. Comparisons of material using sensitivity block.

6. Use of lux meter for light level check.

7. Practical demonstration for welded joints.

8. Practical demonstration for forgings, casting & rolled products.

9. Interpretation and evaluation of indications.

9.1 Relevant indications.

9.2 Non relevant indications.

9.3 False indications/Geometrical indications.

9.4 Codes, Standards and Acceptance Criteria.

|| PT procedure requirements

1. Post examination Cleaning.

2. Requirements of Batch test certificate, MSDS and PDS from Penetrant material manufacturer.

3. Safety and Health.