Estimation of Depth and Volume for Defects by Eddy Current Testing

• Shiraishi Kozo

  Shikoku Reserch Institute Inc.

• Izumida Masanori

  Ehime University

• Murakami Kenji

  Ehime University

Bibliographic Information

Other Title

• 渦電流試験における傷の深さと体積の推定
• ウズ デンリュウ シケン ニ オケル キズ ノ フカサ ト タイセキ ノ スイ

Abstract

The full length inspection of tubes in SG (Steam Generator) to detect defects using the signal measured by ECT (Eddy Current Testing) is performed in PWR (Pressurized Water Reactor) plant. According to technological advances of NDE (Non-Destructive Examination), the estimation of defect shape is required. In this study, by characterization of ECT signals which using imitative defects, we express relation with defect shape in approximate functions, and estimate defect shape using this function. As the result that we estimated depth and volume of defects, relative error of 80% data was restrained less than 19.7% in depth estimation and 27.2% in volume estimation.

Journal

• IEEJ Transactions on Electronics, Information and Systems

  IEEJ Transactions on Electronics, Information and Systems 118 (2), 277-284, 1998

  The Institute of Electrical Engineers of Japan

Keywords

• 非破壊検査
• 自動解析
• 蒸気発生器
• 伝熱管
• 渦電流試験

Details

• CRID: 1390282679584128640
• NII Article ID: 130006843383
• NII Article ID: 10002813143
• NII Book ID: AN10065950
• DOI: 10.1541/ieejeiss1987.118.2_277
• ISSN: 13488155
• ISSN: 03854221
• NDL BIB ID: 4391719
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4391719
• Web Site: https://www.jstage.jst.go.jp/article/ieejeiss1987/118/2/118_2_277/_pdf
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed