Advanced probe with array of pick-up coils for improved crack evaluation in eddy-current non-destructive testing

Ladislav Janousek, Klara Capova, Noritaka Yusa, Kenzo Miya

研究成果: Conference contribution

抄録

The paper proposes a new probe for enhancing crack evaluation in eddy-current non-destructive testing. The probe consists of one exciting coil and two identical pick-up coils. The pick-up coils are situated at different locations relative to the position of the exciting coil for gaining signals using various depth profiles of eddy current density. The two signals are linearly superposed and a certain indication of crack's depth is extracted from the resulting signal. Numerical as well as experimental results demonstrate the effectiveness of the new probe in the evaluation of a crack's depth. In addition, cracks much deeper than the standard depth of penetration can be evaluated using the new probe.

本文言語English
ホスト出版物のタイトルElectromagnetic Nondestructive Evaluation (XI)
編集者Antonello Tamburrino, Yevgen Melikhov, Zhenmao Chen, Lalita Udpa
ページ271-275
ページ数5
DOI
出版ステータスPublished - 2008 12 1
外部発表はい

出版物シリーズ

名前Studies in Applied Electromagnetics and Mechanics
31
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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