Non-Destructive Test
🎯 Definition of Non-Destructive Testing
Non-Destructive Testing is a technology that inspects · determines the incompleteness of the object to be inspected without damaging the object to be inspected using the principle of physical phenomena, and inspects the internal structure of the part and the accept · reject of defects.
🎯 Method of Non-Destructive Testing
- Radiographic
Testing(RT) - Ultrasonic
Testing(UT) - Magnetic Particle
Testing(MT) - Penetrant
Testing(PT) - Eddy Current
Testing(ECT) - Leak Testing
(LT) - Visual Testing
(VT)
Visual Testing
Principle and Method
Visual Testing is a non-destructive inspectiom method that detects defects of a specimen by directly or indirectly observing materials, products, or structures (test specimens). Also, it includes determining whether they are suitable for manufacturing specifications, drawings, design specifications, specifications, etc. of various materials, products or structures, and whether they are included within allowable limits.