Page 10 - Liquid Penetration Inspection
P. 10

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                                          Once the surface has been
                                               3. Advantages and disadvantages
            2. Penetrant application                                        thoroughly cleaned and dried,

            3. Penetrant dwelling time                                      the penetrant material is applied

            4. Excess penetrant removal                                     by spraying, brushing or

            5. Developer application                                        immersing the part in a penetrant


            6. Indication development                                       bath.

            7. Inspection

            8. Clean surface












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