Ultrasonic testing involves the use of high frequency sound waves to determine the condition of a component. These high frequency sound waves, ultrasound, travel along very distinct paths and reflect back to the transducer allowing the technician to "see" inside the part being tested.
There are two primary modes of propagation for industrial ultrasonic techniques, longitudinal beam for determining thickness of the component or some material properties and flaws, and shear wave testing which projects a sound beam in at a refracted angle allowing for the detection of welding or material flaws.
Of paramount importance in ultrasonic testing is the operator’s ability to know where the sound is and to interpret the returned signal that would often indicate a flaw in the material or reduced thickness. Our courses are designed to ensure that you can perform these two crucial functions.
Other modes exist, but are instructed on an “as-needed” basis such as phased array inspection, time of flight diffraction, or guided wave ultrasonics, for instance.
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