抄録
A piezoelectric vibrometer was developed for measuring contact compliances of a soft material. In general. the heavy device for measuring contact compliance has an influence on the results when it is placed on a soft material. The transducer developed here, which is very different from conventional electrodynamic vibrometers, is designed to operate with a piezoelectric disk employed as a driver unit. Therefore, it is so small and light that it is convenient for handling. The characteristics of the vibration mode and the contact compliance of a foam rubber and a geratinized one were studied experimentally and theoretically when the piezoelectric vibrometer was placed on them. The actual values measured in experiments were consistent with the results obtained with theoretical analysis.