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Converters & Calculators
Ultrasonic Testing
Ultrasonic testing (UT) comprises a set of non-destructive evaluation methods that rely on the propagation of ultrasonic waves in the object or material tested. In most common UT applications, very short ultrasonic pulse waves with centre frequencies of 0.1–15 MHz are transmitted into materials. Occasionally, frequencies up to 50 MHz are employed. A commonly used approach is ultrasonic thickness measurement, whereby the thickness of the object is measured to monitor, for example, the corrosion of pipelines.
Ultrasonic testing is routinely performed on steel and other metals and alloys. It is also applied to concrete, wood and composite materials, albeit with reduced resolution. The method finds use in a number of industrial sectors, including steel and aluminium construction, metallurgy, manufacturing, aerospace, automotive production and other transport sectors.
