Page 11 - Liquid Penetration Inspection
P. 11

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 penetrant is left on the
                                               3. Advantages and disadvantages
            2. Penetrant application                                        surface for a sufficient time to

            3. Penetrant dwelling time                                      allow as much penetrant as

            4. Excess penetrant removal                                     possible to be drawn from or to

            5. Developer application                                        seep into a defect.


            6. Indication development

            7. Inspection                                                   Penetrant dwell time is the total

            8. Clean surface                                                time that the penetrant is in


                                                                            contact with the part surface.








                                                   peneraju • ilmu • sejagat
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