Today’s ultrasonic transducers utilize either the piezoelectric or magnetostrictive effect of materials to produce ultrasonic waves in liquids. This blog will concentrate on the magnetostrictive ultrasonic transducer. Magnetostrictive Transducers – Magnetostrictive ultrasonic transducers utilize the principle of magnetostriction exhibited by “ferromagnetic” materials which include iron, nickel and cobalt as well as many alloys of these …
Preceding blogs have described the workings and principles of ultrasonic transducers. Today’s blog will summarize the information on piezoelectric ultrasonic transducers and give readers a view of what the real hardware looks like. An upcoming blog will concentrate on magnetostrictive hardware. Piezoelectric Transducers – Piezoelectric transducers, which may also be called electrostrictive transducers, nearly all …
The piezoelectric and magnetostrictive effects which drive ultrasonic transducers are capable of creating considerable force but only minimal displacement. In order to produce sound waves of sufficient amplitude (displacement) to cause cavitation in a liquid, some means must be used to increase the displacement produced by the primary piezoelectric or magnetostrictive effect. In both cases, the key to doing …
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