Page 16 - Liquid Penetration Inspection
P. 16

Diploma in Mechanical Engineering (Material)


                                              LIQUID PENETRATION INSPECTION




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                                               Principles of liquid penetrant inspection





                                               1. Steps for liquid penetrant


                                               2. Common users for liquid penetrant
            1. Surface preparation                                          The final step in the process is to
                                               3. Advantages and disadvantages
            2. Penetrant application                                        thoroughly clean the part surface

            3. Penetrant dwelling time                                      to remove the developer from the

            4. Excess penetrant removal                                     parts that were found to be

            5. Developer application                                        acceptable.


            6. Indication development

            7. Inspection

            8. Clean surface












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