Improved ultrasonic spectroscopy methods for characterization of dispersive materials

Haifeng Wang, Wenwu Cao

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Transmission ultrasonic spectroscopy method has been successfully implemented for the characterization of piezoceramics at high frequencies. There are, however, still some intrinsic error sources that limit the accuracy of the method. In this paper, two improved ultrasonic spectroscopy methods are presented, which can reduce the number of pre-required parameters and reduce another error source. The two improved methods were used to measure the frequency dispersion of phase velocity and attenuation of doped piezoceramic lead zirconate titanate (PZT-5A); results were compared with those obtained from the conventional method. The advantages and limitations of each method are discussed.

Original languageEnglish (US)
Pages (from-to)1060-1065
Number of pages6
JournalIEEE transactions on ultrasonics, ferroelectrics, and frequency control
Issue number4
StatePublished - Jul 2001

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering


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