Railways

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Railways

Railway welds are inspected with the following NDT methods:
	Visual Inspection: to detect visual defects and deformed geometry due to weld stresses.
	Ultrasonic Shear Wave Inspection: to detect internal welding defects as cracks, lack of fusion, lack of root penetration etc.

Train wheels and shafts are inspected with the following NDT methods:
	Radiography: to detect internal defects as cracks and voids.
	Magnetic Particle Inspection: to detect surface or near surface cracks and laps