Improved ultrasonic spectroscopy methods for characterization of dispersive materials

Haifeng Wang; Wenwu Cao

doi:10.1109/58.935723

Improved ultrasonic spectroscopy methods for characterization of dispersive materials

Haifeng Wang, Wenwu Cao

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

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 language	English (US)
Pages (from-to)	1060-1065
Number of pages	6
Journal	IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Volume	48
Issue number	4
DOIs	https://doi.org/10.1109/58.935723
State	Published - Jul 2001

All Science Journal Classification (ASJC) codes

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/58.935723

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abstract = "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.",

author = "Haifeng Wang and Wenwu Cao",

note = "Funding Information: Manuscript received August 18, 2000; accepted February 17,2001. This research was sponsored by the NI H under Grant number P41-RR11795-01A1 and the ONR under Grant number N00014-98-1-0527.",

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AU - Cao, Wenwu

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Y1 - 2001/7

N2 - 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.

AB - 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.

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Improved ultrasonic spectroscopy methods for characterization of dispersive materials

Abstract

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