Jeppesen Oral- Chapter 11 (Nondestructive Testing) Flashcards Preview

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Flashcards in Jeppesen Oral- Chapter 11 (Nondestructive Testing) Deck (8)
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1

1. surface is cleaned 2. Penetrant is applied and allowed to dwell for specified time 3. Penetrant is removed with cleaner/ emulsifier 4. surface is dried and developer is applied

2

Magnifying glass, flashlight, mirror

3

Visual, dye penetrant, eddy current, ultrasonic, x-ray

4

Capillary action allows penetration

5

Bead width 3-5 times the thickness of base metal Must be 100% penetration

6

Rough, irregular edges that are not feathered into the base metal and has variations in penetration amounts

7

1. Magnetize the part 2. Coat the surface with ferromagnetic particles 3. If defect or discontinuity is present, particles align with the defect

8

25 to 50%