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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