The combination of longitudinal and torsional (LT) vibrations at high frequencies finds many
applications such as ultrasonic drilling, ultrasonic welding, and ultrasonic motors. The LT …

This study investigates combining longitudinal and torsional (L–T) vibration responses at the
output face of a Langevin transducer. A mode degeneration method is adopted that converts …

Combining modes of vibration, such as longitudinal and torsional vibration, is advantageous
in many ultrasonic applications such as ultrasonic drilling, welding, and motors. In this work …

Ultrasonic transducers are the most important part of an ultrasonic testing system which
significantly affect the precision and accuracy of the measurements. Piezoelectric …

A composite longitudinal-torsional vibration mode has applications in ultrasonic motors,
ultrasonic welding and ultrasonic drilling. There are two ways to obtain this vibration …

A split-mode ultrasonic transducer is investigated in both theory and experiment. This
transducer is a two-dimensional structure of periodically poled domains in a ferroelectric …

The longitudinal–torsional compound transducer with slanting slots is studied. The
compound transducer is composed of a sandwiched longitudinal ultrasonic transducer and …

Ultrasonic piezoelectric transducers used in classical nondestructive testing are producing
in general longitudinal vibrations in the MHz range. A simple mechanical model of these …

Ultrasonic systems are usually comprised of three elements: a generator providing the
electrical energy, an electromechanical transducer converting electrical energy into …

Abstract− A study of the resonance characteristics of low frequency ultrasonic transducers is
presented in this work. The effect of the influence of the equivalent output resistance of the …