Effects of piezoelectric material on the performance of Tonpilz transducer using finite element method (Tonpilz 트랜스듀서의 성능에 미치는 압전소재의 영향)

Jin-Won Seo (서진원); Kyoon Choi (최균); Ho-Yong Lee (이호용)

doi:10.6111/JKCGCT.2016.26.4.139

Effects of piezoelectric material on the performance of Tonpilz transducer using finite element method

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2016, 26(4), pp.139~144
DOI : 10.6111/JKCGCT.2016.26.4.139
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : August 11, 2016
Accepted : August 19, 2016
Published : August 31, 2016

Jin-Won Seo ¹, Kyoon Choi ¹, Ho-Yong Lee ²

¹한국세라믹기술원
²(주)세라콤

Accredited

ABSTRACT

Effects of the shape and size of the piezoelectric materials on the performance of tonpilz transducers were studied with a computer simulation using a finite element method (FEM). The diameter and height of the donut-shaped piezoelectric ceramics head mass were changed as variables. And the effect of the stack number was also investigated. Finally, if the piezoelectric ceramics were changed to a piezoelectric single crystal having high piezoelectric constants, how the performances especially, the output power and the TVR transmittance were affected was simulated by FEM. As a result, the output of transducer could be increased to 10 times of PZT-4 with replacement of relaxor single crystal of the same size.

KEYWORDS

Tonpilz, Piezoelectric transducer, Finite element method (FEM), Ultrasonic, Ceramic stack

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