Ultrasonic nondestructive testing, also known as ultrasonic NDT or simply UT, is a method of characterizing the thickness or internal structure of a test piece using high-frequency sound waves. The ...

In most people’s minds, mass car production involves lines of robots armed with welding guns, rapidly assembling a car body. Spotwelding has been the main method of sheet metal joining in automotive ...

In the medical applications of ultrasonic imaging, sound waves of high frequency are usually employed to produce in-depth cross-sectional images of internal organs. Special multi-element transducers ...