Solution: NDT Non-Destructive Testing
Solution: NDT Non-Destructive Testing
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Non-Destructive Testing (NDT) is the general name of the test methods used to examine the structural integrity and quality of a material or component without causing damage. These methods are applied to detect errors that may occur during production or during use.
NDT Methods and Areas of Use
Non-destructive testing includes a variety of methods for different types of materials and industrial applications:
Visual Inspection (VT – Visual Testing)
- It is the most basic NDT method.
- Defects such as cracks and welding errors on the surface are examined with the naked eye or optical devices.
Liquid Penetrant Testing (PT)
- Used to detect cracks on the surface.
- By applying a special penetrant liquid, the openings on the surface are made apparent.
Magnetic Particle Testing (MT)
- It is used to detect surface and near-surface cracks in ferromagnetic materials.
- By applying a magnetic field, magnetic particles accumulate in areas where there are defects.
Ultrasonic Inspection (UT – Ultrasonic Testing)
- It enables the detection of internal defects using high-frequency sound waves.
- It is suitable for measuring the thickness of the material and detecting internal cracks.
Radiographic Examination (RT – Radiographic Testing)
- Internal defects are detected using X-ray or gamma rays.
- Used in critical components such as welded joints, castings and pipelines.
Eddy Current (ET – Eddy Current Inspection)
- It is used to detect surface defects in electrically conductive materials.
- Common for inspecting pipes, aircraft, and thin metal surfaces.
Advantages of NDT;
✔ Provides quality control without damaging the material.
✔ Reduces costs by detecting errors early.
✔ Increases quality and ensures safety standards in the production process.