Magnesium Alloy Matching Layer for PMN-PT Single Crystal Transducer Applications

Feifei Guo; Yulei Wang; Zhongyuan Huang; Weibao Qiu; Zhiqiang Zhang; Zhu Wang; Jie Dong; Bin Yang; Wenwu Cao

doi:10.1109/TUFFC.2018.2861394

Magnesium Alloy Matching Layer for PMN-PT Single Crystal Transducer Applications

Feifei Guo
, Yulei Wang
, Zhongyuan Huang
, Weibao Qiu
, Zhiqiang Zhang
, Zhu Wang
, Jie Dong
, Bin Yang
, Wenwu Cao

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

8 Scopus citations

Abstract

In this paper, we propose using magnesium alloy as the matching layer for the ultrasonic transducer made of 0.68 Pb(Mg_1/3Nb_2/3)O₃-0.32PbTiO₃ (PMN-0.32PT) single crystal. The complete sets of elastic constants of AZ31B, GW83, and ZK60 magnesium alloys have been measured, which is practically a homogeneous material. The AZ31B magnesium alloy has an acoustic impedance of 10.36 MRayl, which is suitable for the development of high-performance ultrasonic transducers. A 3.5-MHz PMN-PT single crystal transducer has been designed and fabricated successfully using AZ31B magnesium alloy as the first quarter-wavelength matching layer. The -6-dB bandwidth and two-way insertion loss at the center frequency of the transducer are about 67% and 11.4 dB, respectively, much superior to the transducer fabricated using 0-3 composite matching layer. The high performance of this transducer indicates that the magnesium alloy is indeed an excellent matching layer material for ultrasonic transducer applications.

Original language	English (US)
Article number	8423704
Pages (from-to)	1865-1872
Number of pages	8
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	65
Issue number	10
DOIs	https://doi.org/10.1109/TUFFC.2018.2861394
State	Published - Oct 2018

All Science Journal Classification (ASJC) codes

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/TUFFC.2018.2861394

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title = "Magnesium Alloy Matching Layer for PMN-PT Single Crystal Transducer Applications",

abstract = "In this paper, we propose using magnesium alloy as the matching layer for the ultrasonic transducer made of 0.68 Pb(Mg1/3Nb2/3)O3-0.32PbTiO3 (PMN-0.32PT) single crystal. The complete sets of elastic constants of AZ31B, GW83, and ZK60 magnesium alloys have been measured, which is practically a homogeneous material. The AZ31B magnesium alloy has an acoustic impedance of 10.36 MRayl, which is suitable for the development of high-performance ultrasonic transducers. A 3.5-MHz PMN-PT single crystal transducer has been designed and fabricated successfully using AZ31B magnesium alloy as the first quarter-wavelength matching layer. The -6-dB bandwidth and two-way insertion loss at the center frequency of the transducer are about 67\% and 11.4 dB, respectively, much superior to the transducer fabricated using 0-3 composite matching layer. The high performance of this transducer indicates that the magnesium alloy is indeed an excellent matching layer material for ultrasonic transducer applications.",

author = "Feifei Guo and Yulei Wang and Zhongyuan Huang and Weibao Qiu and Zhiqiang Zhang and Zhu Wang and Jie Dong and Bin Yang and Wenwu Cao",

note = "Publisher Copyright: {\textcopyright} 2018 IEEE.",

year = "2018",

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doi = "10.1109/TUFFC.2018.2861394",

language = "English (US)",

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T1 - Magnesium Alloy Matching Layer for PMN-PT Single Crystal Transducer Applications

AU - Guo, Feifei

AU - Wang, Yulei

AU - Huang, Zhongyuan

AU - Qiu, Weibao

AU - Zhang, Zhiqiang

AU - Wang, Zhu

AU - Dong, Jie

AU - Yang, Bin

AU - Cao, Wenwu

PY - 2018/10

Y1 - 2018/10

N2 - In this paper, we propose using magnesium alloy as the matching layer for the ultrasonic transducer made of 0.68 Pb(Mg1/3Nb2/3)O3-0.32PbTiO3 (PMN-0.32PT) single crystal. The complete sets of elastic constants of AZ31B, GW83, and ZK60 magnesium alloys have been measured, which is practically a homogeneous material. The AZ31B magnesium alloy has an acoustic impedance of 10.36 MRayl, which is suitable for the development of high-performance ultrasonic transducers. A 3.5-MHz PMN-PT single crystal transducer has been designed and fabricated successfully using AZ31B magnesium alloy as the first quarter-wavelength matching layer. The -6-dB bandwidth and two-way insertion loss at the center frequency of the transducer are about 67% and 11.4 dB, respectively, much superior to the transducer fabricated using 0-3 composite matching layer. The high performance of this transducer indicates that the magnesium alloy is indeed an excellent matching layer material for ultrasonic transducer applications.

AB - In this paper, we propose using magnesium alloy as the matching layer for the ultrasonic transducer made of 0.68 Pb(Mg1/3Nb2/3)O3-0.32PbTiO3 (PMN-0.32PT) single crystal. The complete sets of elastic constants of AZ31B, GW83, and ZK60 magnesium alloys have been measured, which is practically a homogeneous material. The AZ31B magnesium alloy has an acoustic impedance of 10.36 MRayl, which is suitable for the development of high-performance ultrasonic transducers. A 3.5-MHz PMN-PT single crystal transducer has been designed and fabricated successfully using AZ31B magnesium alloy as the first quarter-wavelength matching layer. The -6-dB bandwidth and two-way insertion loss at the center frequency of the transducer are about 67% and 11.4 dB, respectively, much superior to the transducer fabricated using 0-3 composite matching layer. The high performance of this transducer indicates that the magnesium alloy is indeed an excellent matching layer material for ultrasonic transducer applications.

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JO - IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

JF - IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

IS - 10

M1 - 8423704

ER -

Magnesium Alloy Matching Layer for PMN-PT Single Crystal Transducer Applications

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