WO2009044778A1 - 溶接部欠陥検出方法及び装置 - Google Patents

溶接部欠陥検出方法及び装置 Download PDF

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Publication number
WO2009044778A1
WO2009044778A1 PCT/JP2008/067845 JP2008067845W WO2009044778A1 WO 2009044778 A1 WO2009044778 A1 WO 2009044778A1 JP 2008067845 W JP2008067845 W JP 2008067845W WO 2009044778 A1 WO2009044778 A1 WO 2009044778A1
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WIPO (PCT)
Prior art keywords
welded
defects
welded portion
electromotive force
induced electromotive
Prior art date
Application number
PCT/JP2008/067845
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English (en)
French (fr)
Inventor
Hiroaki Kohama
Original Assignee
Kaisei Engineer Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaisei Engineer Co., Ltd. filed Critical Kaisei Engineer Co., Ltd.
Publication of WO2009044778A1 publication Critical patent/WO2009044778A1/ja

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

　溶接部に前処理を施すこと無く、溶接部の表面のみならずその内部若しくは深部を、また、溶接部近傍母材の欠陥をも検出することができる溶接部欠陥検出方法及び装置を提供する。 　欠陥検出すべき溶接部に励磁コイルから交流磁界を印加し、この溶接部を通る交流磁界によって誘導コイルに誘導起電力を発生させ、誘導コイルに発生した誘導起電力の振幅及び位相のうちの少なくとも一方の、基準誘導起電力の振幅及び位相のうちの少なくとも一方に対する変化量を求めることにより溶接部の欠陥を検出する。
PCT/JP2008/067845 2007-10-02 2008-10-01 溶接部欠陥検出方法及び装置 WO2009044778A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-259284 2007-10-02
JP2007259284A JP2009085894A (ja) 2007-10-02 2007-10-02 溶接部欠陥検出方法及び装置

Publications (1)

Publication Number Publication Date
WO2009044778A1 true WO2009044778A1 (ja) 2009-04-09

Family

ID=40526203

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PCT/JP2008/067845 WO2009044778A1 (ja) 2007-10-02 2008-10-01 溶接部欠陥検出方法及び装置

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JP (1) JP2009085894A (ja)
WO (1) WO2009044778A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011025049A1 (en) * 2009-08-26 2011-03-03 Sumitomo Chemical Company, Limited Method for inspecting an austenitic stainless steel weld
JP2017096678A (ja) * 2015-11-19 2017-06-01 株式会社コベルコ科研 被検査物の地際部分の減肉状態を検知するための渦流探傷プローブ及び渦流探傷プローブを用いた減肉検知方法
CN113866259A (zh) * 2021-12-02 2021-12-31 中国核电工程有限公司 一种不锈钢管道焊缝缺陷的电磁检测方法及系统
EP4012399A1 (en) * 2020-12-10 2022-06-15 Introsys Integration for Robotics Systems, Integração de Sistemas Robóticos, S.A. A probe and a system for the non-destructive inspection of a welding

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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US8378676B2 (en) * 2009-06-05 2013-02-19 Nuovo Pignone S.P.A. System and method for detecting corrosion pitting in gas turbines
KR200456189Y1 (ko) 2010-11-19 2011-10-17 주식회사 네드텍 용접부 존재여부 식별장치
CN103115958B (zh) * 2012-12-13 2015-04-08 中国铁道科学研究院金属及化学研究所 一种异种钢闪光焊焊缝缺陷的检测方法及装置
CN103713042B (zh) * 2014-01-07 2016-03-30 天津大学 基于k邻近算法的焊接缺陷电涡流检测方法
JP7155040B2 (ja) * 2019-02-21 2022-10-18 東京製綱株式会社 ワイヤロープの検査方法および検査システム
JP6768990B1 (ja) * 2019-02-21 2020-10-14 株式会社テイエルブイ プローブ
US20210065140A1 (en) * 2019-08-30 2021-03-04 Illinois Tool Works Inc. System and methods for using drones in dispersed welding environments
KR102140966B1 (ko) * 2020-05-26 2020-08-05 (주)이너아이 용접부 비파괴 검사방법
KR102227538B1 (ko) * 2020-07-28 2021-03-15 (주)이너아이 원통형 이차전지의 용접부 비파괴 검사방법
CN112179977A (zh) * 2020-09-28 2021-01-05 广东省特种设备检测研究院茂名检测院 一种管道焊缝漏磁检测中的表面形貌测量和扣除方法
JP7434194B2 (ja) 2021-01-21 2024-02-20 株式会社Ｉｈｉ検査計測 渦電流探傷プローブと渦電流探傷方法
JP7397231B1 (ja) 2023-06-16 2023-12-12 東亜非破壊検査株式会社 タンク溶接線検査前処理装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05149923A (ja) * 1991-11-29 1993-06-15 Kaisei Enjinia Kk 周波数位相変化による電磁誘導検査装置及びその検査方法
JPH0854375A (ja) * 1994-08-11 1996-02-27 Kaisei Enjinia Kk 電磁誘導型検査装置
JP2001349875A (ja) * 2000-06-09 2001-12-21 Central Japan Railway Co 渦流探傷用プローブ
JP2002162388A (ja) * 2000-11-24 2002-06-07 Hitachi Cable Ltd 溶接管用渦流探傷装置
JP2007225564A (ja) * 2006-02-27 2007-09-06 Mitsubishi Heavy Ind Ltd 渦流探傷信号の評価方法及び装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05149923A (ja) * 1991-11-29 1993-06-15 Kaisei Enjinia Kk 周波数位相変化による電磁誘導検査装置及びその検査方法
JPH0854375A (ja) * 1994-08-11 1996-02-27 Kaisei Enjinia Kk 電磁誘導型検査装置
JP2001349875A (ja) * 2000-06-09 2001-12-21 Central Japan Railway Co 渦流探傷用プローブ
JP2002162388A (ja) * 2000-11-24 2002-06-07 Hitachi Cable Ltd 溶接管用渦流探傷装置
JP2007225564A (ja) * 2006-02-27 2007-09-06 Mitsubishi Heavy Ind Ltd 渦流探傷信号の評価方法及び装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011025049A1 (en) * 2009-08-26 2011-03-03 Sumitomo Chemical Company, Limited Method for inspecting an austenitic stainless steel weld
JP2011047736A (ja) * 2009-08-26 2011-03-10 Sumitomo Chemical Co Ltd オーステナイト系ステンレス鋼溶接部の検査方法
CN102483391A (zh) * 2009-08-26 2012-05-30 住友化学株式会社 用于检查奥氏体不锈钢焊缝的方法
CN102483391B (zh) * 2009-08-26 2015-07-22 住友化学株式会社 用于检查奥氏体不锈钢焊缝的方法
JP2017096678A (ja) * 2015-11-19 2017-06-01 株式会社コベルコ科研 被検査物の地際部分の減肉状態を検知するための渦流探傷プローブ及び渦流探傷プローブを用いた減肉検知方法
EP4012399A1 (en) * 2020-12-10 2022-06-15 Introsys Integration for Robotics Systems, Integração de Sistemas Robóticos, S.A. A probe and a system for the non-destructive inspection of a welding
CN113866259A (zh) * 2021-12-02 2021-12-31 中国核电工程有限公司 一种不锈钢管道焊缝缺陷的电磁检测方法及系统
CN113866259B (zh) * 2021-12-02 2022-03-22 中国核电工程有限公司 一种不锈钢管道焊缝缺陷的电磁检测方法及系统

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