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

被引：111

作者：

Baba, Atsushi ^{[1
]}

Searfass, Clifford T. ^{[2
]}

Tittmann, Bernhard R. ^{[2
]}

机构：

[1] Hitachi Ltd, Energy & Environm Syst Lab, Hitachi, Ibaraki 3191221, Japan

[2] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 23期

关键词：

Compendex;

D O I：

10.1063/1.3524192

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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 (LiNbO(3)) single crystal, which is well known as a high Curie temperature piezoelectric material. The LiNbO(3) 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 degrees C. (C) 2010 American Institute of Physics. [doi:10.1063/1.3524192]

引用

页数：3

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