Page 15 - Liquid Penetration Inspection
P. 15

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                                          Inspection is then performed
                                               3. Advantages and disadvantages
            2. Penetrant application                                        under appropriate lighting to

            3. Penetrant dwelling time                                      detect indications from any flaws

            4. Excess penetrant removal                                     which may be present.

            5. Developer application


            6. Indication development

            7. Inspection

            8. Clean surface












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