Ultrasonic testing (UT) comprises a range of non-destructive testing (NDT) techniques that send ultrasonic waves through an object or material.
Marine ultrasonic testing
Marine Ultrasonic testing helps in identifying issues like corrosion, cracks, and other structural defects in the hull, which could compromise the vessel's integrity.
example: UT for the hatch covers of a ship to identify the watertight aiming prevention of loss / damage cargo in cargo holds during voyage and carriage