High temperature ultrasonic transducer up to 1000 °c using lithium niobate single crystal

Atsushi Baba; Clifford T. Searfass; Bernhard R. Tittmann

doi:10.1063/1.3524192

High temperature ultrasonic transducer up to 1000 °c using lithium niobate single crystal

Atsushi Baba, Clifford T. Searfass, Bernhard R. Tittmann

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

138 Scopus citations

Abstract

Structural health monitoring (SHM) techniques are needed to maintain the reliability of aging power plants. The high temperature transducers are necessary to realize SHM under the working condition of power plants. In this paper, a high temperature transducer was developed using lithium niobate (LiNbO₃) single crystal, which is well known as a high Curie temperature piezoelectric material. The LiNbO₃ was bonded onto a stainless steel substrate. The transducer was heated in an electric furnace while measuring the bottom echoes from the substrate. We confirmed that the high temperature transducer could work up to 1000 °C.

Original language	English (US)
Article number	232901
Journal	Applied Physics Letters
Volume	97
Issue number	23
DOIs	https://doi.org/10.1063/1.3524192
State	Published - Dec 6 2010

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3524192

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abstract = "Structural health monitoring (SHM) techniques are needed to maintain the reliability of aging power plants. The high temperature transducers are necessary to realize SHM under the working condition of power plants. In this paper, a high temperature transducer was developed using lithium niobate (LiNbO3) single crystal, which is well known as a high Curie temperature piezoelectric material. The LiNbO3 was bonded onto a stainless steel substrate. The transducer was heated in an electric furnace while measuring the bottom echoes from the substrate. We confirmed that the high temperature transducer could work up to 1000 °C.",

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AB - Structural health monitoring (SHM) techniques are needed to maintain the reliability of aging power plants. The high temperature transducers are necessary to realize SHM under the working condition of power plants. In this paper, a high temperature transducer was developed using lithium niobate (LiNbO3) single crystal, which is well known as a high Curie temperature piezoelectric material. The LiNbO3 was bonded onto a stainless steel substrate. The transducer was heated in an electric furnace while measuring the bottom echoes from the substrate. We confirmed that the high temperature transducer could work up to 1000 °C.

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High temperature ultrasonic transducer up to 1000 °c using lithium niobate single crystal

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