Novel electromagnetic acoustic transducer for measuring the thickness of small specimen areas

Hongjun Sun, Ryoichi Urayama, Mitsuo Hashimoto, Fumio Kojima, Tetsuya Uchimoto, Toshiyuki Takagi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Intense ultrasonic waves are required to accurately measure the thickness of corroded specimen at a given point. The most intense part of the ultrasonic wave should be at the measurement point itself. In this paper, finite element simulation is used to optimize the structure of the classic racetrack coil bulk wave electromagnetic acoustic transducer to produce more intense, concentrated ultrasonic waves in a smaller area. In addition, a new magnet configuration is used that increases the wave intensity. Compared with the classic magnet configuration, the maximum amplitude of the ultrasonic wave is increased by 21%.

本文言語English
ページ(範囲)1495-1504
ページ数10
ジャーナルInternational Journal of Applied Electromagnetics and Mechanics
59
4
DOI
出版ステータスPublished - 2019

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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