Ultrasonic Transducer

Definition - What does Ultrasonic Transducer mean?

An ultrasonic transducer is a type of equipment that acts as an impulse receiver and transmitter, which converts one type of energy to another. This provides for better measurement of the energy introduced into metallic objects or structures that contribute to corrosion.

Corrosionpedia explains Ultrasonic Transducer

Ultrasonic transducers are used in various systems and convert alternating current (AC) into ultrasound and vice versa. They can be used to identify the presence of and the rate of current (electrical energy) in metallic objects such as pipelines and tanks. Such current is produced in an electrochemical cell while corrosion occurs.

Electrochemical corrosion involves the transfer of electrons from the anode to the cathode. This flow of electrons from the electronegative region to the more electropositive region generates an electrical current in the system. The loss of electrons at the anode subsequently triggers oxidation reactions that cause the anode to deteriorate while the cathode remains unaffected.

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