Superposition of several phase-shifted exciting fields for crack evaluation

Ladislav Janousek, Noritaka Yusa, Kenzo Miya

研究成果: Chapter

1 被引用数 (Scopus)

抄録

The paper proposes a novel method for crack evaluation based on electromagnetic induction phenomenon. The principle of the method is to realize a unique distribution of induced eddy currents by superposition of several phase-shifted exciting electromagnetic fields. The ratio of the superposition is varied to inspect a crack using different distributions of eddy currents without changing the frequency. Numerical and experimental results reveal that the method provides clear indication about the depth of cracks. In addition, the method is applicable even for cracks which are much deeper than the standard depth of penetration.

本文言語English
ホスト出版物のタイトルElectromagnetic Nondestructive Evaluation (X)
ページ83-90
ページ数8
出版ステータスPublished - 2007 12 1
外部発表はい

出版物シリーズ

名前Studies in Applied Electromagnetics and Mechanics
28
ISSN(印刷版)1383-7281
ISSN(電子版)1879-8322

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering

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