Ultrasonic testing is a proven method for reliably detecting internal and near-surface defects in various materials. In this process, high-frequency ultrasonic waves are transmitted into the component and reflected at material boundaries or irregularities. The returning sound waves can be used to detect and locate, for example, cracks, voids, inclusions, or other material defects. Even hard-to-reach areas and the interior of the component can be inspected without causing damage. Thus, ultrasonic testing enables precise and non-destructive inspection of components and supports reliable quality assurance in manufacturing and maintenance.