Cylindrically shaped ultrasonic linear array fabricated using PIMNT/epoxy 1-3 piezoelectric composite

Wei Wang; Siu Wing Or; Qingwen Yue; Yaoyao Zhang; Jie Jiao; Bo Ren; Di Lin; Chung Ming Leung; Xiangyong Zhao; Haosu Luo

doi:10.1016/j.sna.2012.12.020

Cylindrically shaped ultrasonic linear array fabricated using PIMNT/epoxy 1-3 piezoelectric composite

Wei Wang, Siu Wing Or, Qingwen Yue, Yaoyao Zhang, Jie Jiao, Bo Ren, Di Lin, Chung Ming Leung, Xiangyong Zhao, Haosu Luo

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

46 Citations (Scopus)

Abstract

In order to improve the flexibility of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3(PIMNT) single crystal and make full use of the ultrahigh piezoelectric property in focused ultrasonic transducers, PIMNT/epoxy 1-3 composite with a volume fraction of 60% was prepared by a modified dice-and-fill method. Excellent properties for ultrasonic transducer applications have been achieved, such as higher thickness electromechanical coupling coefficient (kt= 84%), lower acoustic impedance (Z = 19 MRayls), and moderate dielectric constant (33T0=2040). Based on the improved flexibility of as-prepared PIMNT/epoxy 1-3 composite, a cylindrically shaped ultrasonic linear array has been designed, fabricated, and characterized. The cylindrically shaped ultrasonic linear array has achieved an ultra-broad bandwidth (-6 dB) of 128%, which is a significant improvement over the plane linear array. These promising results show that the PIMNT/epoxy 1-3 composite can be used to develop high-performance focused ultrasonic transducers.

Original language	English
Pages (from-to)	69-75
Number of pages	7
Journal	Sensors and Actuators, A: Physical
Volume	192
DOIs	https://doi.org/10.1016/j.sna.2012.12.020
Publication status	Published - 23 Jan 2013

Keywords

1-3 piezoelectric composite
PIMNT single crystal
Ultrasonic linear array

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering

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10.1016/j.sna.2012.12.020

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title = "Cylindrically shaped ultrasonic linear array fabricated using PIMNT/epoxy 1-3 piezoelectric composite",

abstract = "In order to improve the flexibility of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3(PIMNT) single crystal and make full use of the ultrahigh piezoelectric property in focused ultrasonic transducers, PIMNT/epoxy 1-3 composite with a volume fraction of 60% was prepared by a modified dice-and-fill method. Excellent properties for ultrasonic transducer applications have been achieved, such as higher thickness electromechanical coupling coefficient (kt= 84%), lower acoustic impedance (Z = 19 MRayls), and moderate dielectric constant (33T0=2040). Based on the improved flexibility of as-prepared PIMNT/epoxy 1-3 composite, a cylindrically shaped ultrasonic linear array has been designed, fabricated, and characterized. The cylindrically shaped ultrasonic linear array has achieved an ultra-broad bandwidth (-6 dB) of 128%, which is a significant improvement over the plane linear array. These promising results show that the PIMNT/epoxy 1-3 composite can be used to develop high-performance focused ultrasonic transducers.",

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AU - Or, Siu Wing

AU - Yue, Qingwen

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AU - Jiao, Jie

AU - Ren, Bo

AU - Lin, Di

AU - Leung, Chung Ming

AU - Zhao, Xiangyong

AU - Luo, Haosu

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N2 - In order to improve the flexibility of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3(PIMNT) single crystal and make full use of the ultrahigh piezoelectric property in focused ultrasonic transducers, PIMNT/epoxy 1-3 composite with a volume fraction of 60% was prepared by a modified dice-and-fill method. Excellent properties for ultrasonic transducer applications have been achieved, such as higher thickness electromechanical coupling coefficient (kt= 84%), lower acoustic impedance (Z = 19 MRayls), and moderate dielectric constant (33T0=2040). Based on the improved flexibility of as-prepared PIMNT/epoxy 1-3 composite, a cylindrically shaped ultrasonic linear array has been designed, fabricated, and characterized. The cylindrically shaped ultrasonic linear array has achieved an ultra-broad bandwidth (-6 dB) of 128%, which is a significant improvement over the plane linear array. These promising results show that the PIMNT/epoxy 1-3 composite can be used to develop high-performance focused ultrasonic transducers.

AB - In order to improve the flexibility of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3(PIMNT) single crystal and make full use of the ultrahigh piezoelectric property in focused ultrasonic transducers, PIMNT/epoxy 1-3 composite with a volume fraction of 60% was prepared by a modified dice-and-fill method. Excellent properties for ultrasonic transducer applications have been achieved, such as higher thickness electromechanical coupling coefficient (kt= 84%), lower acoustic impedance (Z = 19 MRayls), and moderate dielectric constant (33T0=2040). Based on the improved flexibility of as-prepared PIMNT/epoxy 1-3 composite, a cylindrically shaped ultrasonic linear array has been designed, fabricated, and characterized. The cylindrically shaped ultrasonic linear array has achieved an ultra-broad bandwidth (-6 dB) of 128%, which is a significant improvement over the plane linear array. These promising results show that the PIMNT/epoxy 1-3 composite can be used to develop high-performance focused ultrasonic transducers.

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JO - Sensors and Actuators, A: Physical

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Cylindrically shaped ultrasonic linear array fabricated using PIMNT/epoxy 1-3 piezoelectric composite

Abstract

Keywords

ASJC Scopus subject areas

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