Drill Tools for Earth and space design of a novel longitudinal-torsional ultrasonic transducer

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Al-Budairi, Hassan ; Harkness, Patrick ; Lucas, Margaret (2012)
  • Publisher: Polytech
  • Subject: TJ

Measurement of complex combinations of different vibration modes\ud operating together at ultrasonic frequencies can be carried out using\ud 3-D laser vibrometry.
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