Page 27 - Introduction To Non-Destructive Testing
P. 27
Diploma in Mechanical Engineering (Materials)
DJB 50053 Non destructive testing
www.pis.edu.my
Surface Examination Method
The test object/ material is coated with a visible/
fluorescent dye solution. The excess dye is
1. Visual Inspection
removed from the surface and a developer is
2. Radiography Inspection
applied drawing penetrant out of imperfections
3. Ultrasonic Inspectionent dyes an
open to the surface. With fluoresc
ultraviolet lamp is used to make the 'bleed out'
4. Eddy Current Inspection
fluoresce brightly allowing the imperfection to be
seen readily.
5. Magnetic Particle Inspection
6. Liquid Penetrant Inspection
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peneraju • ilmu • sejagat
