JP5984123B2 - 漏れ磁束の測定による圧力容器の非破壊探傷装置 - Google Patents
漏れ磁束の測定による圧力容器の非破壊探傷装置 Download PDFInfo
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- JP5984123B2 JP5984123B2 JP2013548353A JP2013548353A JP5984123B2 JP 5984123 B2 JP5984123 B2 JP 5984123B2 JP 2013548353 A JP2013548353 A JP 2013548353A JP 2013548353 A JP2013548353 A JP 2013548353A JP 5984123 B2 JP5984123 B2 JP 5984123B2
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- pressure vessel
- magnetic flux
- sensor
- magnetic field
- defect
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- 230000005291 magnetic effect Effects 0.000 title claims description 96
- 230000004907 flux Effects 0.000 title claims description 54
- 230000007547 defect Effects 0.000 claims description 61
- 238000001514 detection method Methods 0.000 claims description 53
- 230000005355 Hall effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 12
- 230000001066 destructive effect Effects 0.000 description 9
- 238000007689 inspection Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000002950 deficient Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Endoscopes (AREA)
- Examining Or Testing Airtightness (AREA)
Description
Claims (5)
- 圧力容器の外部および内部の表面欠陥を漏れ磁束の測定によって測定する非破壊探傷装置であって、
前記圧力容器の外部の一側に設けられ、且つ前記圧力容器の長さ方向において当該圧力容器よりも長く形成された、前記圧力容器を磁化するコイル巻台と、
前記圧力容器の外部の他側に配列された複数個の第1磁界検知センサが設けられたセンサ支持体と、
前記圧力容器を磁化して前記コイル巻台によって発生した磁束の方向に対して垂直の方向に磁束を発生させるヨークと、
前記ヨークの下方に設けられた第2磁界検知センサと、
前記圧力容器の内部に挿入され、前記圧力容器の内部の表面欠陥を測定するために一つ以上の第3磁界検知センサが取り付けられた内視鏡と、を含み、
前記ヨーク及び前記内視鏡を、前記圧力容器を前記長さ方向に沿う回転軸を中心として回転させたときに、前記長さ方向に移動させることが可能に構成されていることを特徴とする、漏れ磁束の測定による圧力容器の非破壊探傷装置。 - 前記コイル巻台によって発生した磁束は、前記圧力容器を貫通し、前記圧力容器を貫通する磁束の方向に対して垂直の方向に位置する前記圧力容器の外部表面の欠陥は、前記第1磁界検知センサによって検出される磁気信号を変化させることを特徴とする、請求項1に記載の漏れ磁束の測定による圧力容器の非破壊探傷装置。
- 前記ヨークによって発生した磁束の方向に対して垂直の方向に位置する前記圧力容器の外部表面の欠陥は、前記第2磁界検知センサによって検出される磁気信号を変化させることを特徴とする、請求項1に記載の漏れ磁束の測定による圧力容器の非破壊探傷装置。
- 前記ヨークの両先端にはスチールブラシが装着されていることを特徴とする、請求項1に記載の漏れ磁束の測定による圧力容器の非破壊探傷装置。
- 前記各磁界検知センサは、サーチコイル(search coil)センサ、フラックスゲート(flux gate)センサ、ホール効果(hall effect)センサ、GMRセンサ、AMRセンサ、TMRセンサ、およびPHRセンサを含むことを特徴とする、請求項1に記載の漏れ磁束の測定による圧力容器の非破壊探傷装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0001344 | 2011-01-06 | ||
KR1020110001344A KR101250559B1 (ko) | 2011-01-06 | 2011-01-06 | 누설자속 측정에 의한 압력용기의 비파괴 탐상장치 |
PCT/KR2012/000110 WO2012093865A2 (ko) | 2011-01-06 | 2012-01-05 | 누설자속 측정에 의한 압력용기의 비파괴 탐상장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014503069A JP2014503069A (ja) | 2014-02-06 |
JP5984123B2 true JP5984123B2 (ja) | 2016-09-06 |
Family
ID=46457855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013548353A Expired - Fee Related JP5984123B2 (ja) | 2011-01-06 | 2012-01-05 | 漏れ磁束の測定による圧力容器の非破壊探傷装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9310337B2 (ja) |
JP (1) | JP5984123B2 (ja) |
KR (1) | KR101250559B1 (ja) |
WO (1) | WO2012093865A2 (ja) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3654504A (en) * | 1971-03-29 | 1972-04-04 | Gen Electric | Brush mechanism |
JPH0711508B2 (ja) * | 1987-03-10 | 1995-02-08 | 住友金属工業株式会社 | 漏洩磁束探傷方法 |
JPH03127017A (ja) * | 1989-10-13 | 1991-05-30 | Olympus Optical Co Ltd | 内視鏡装置 |
US5581037A (en) * | 1992-11-06 | 1996-12-03 | Southwest Research Institute | Nondestructive evaluation of pipes and tubes using magnetostrictive sensors |
JP3201031B2 (ja) * | 1992-12-26 | 2001-08-20 | 住友金属工業株式会社 | 磁気光学探傷方法及びその装置 |
JP3226071B2 (ja) * | 1993-12-28 | 2001-11-05 | 東京瓦斯株式会社 | 磁気探傷法 |
JPH08152424A (ja) * | 1994-11-29 | 1996-06-11 | Mitsubishi Heavy Ind Ltd | 漏洩磁束探傷装置の磁化ヘッド |
JPH1038855A (ja) * | 1996-07-26 | 1998-02-13 | Toshiba Corp | タービン発電機のロータ中心孔検査装置 |
JP2000074885A (ja) | 1998-09-02 | 2000-03-14 | Aichi Steel Works Ltd | 軸状磁性部材の磁気探傷装置 |
US6624628B1 (en) * | 1999-03-17 | 2003-09-23 | Southwest Research Institute | Method and apparatus generating and detecting torsional waves for long range inspection of pipes and tubes |
JP2005338046A (ja) * | 2004-05-24 | 2005-12-08 | Shige Ishikawa | 金属管の非破壊検査装置 |
DE102004035174B4 (de) * | 2004-07-16 | 2006-08-10 | V&M Deutschland Gmbh | Verfahren und Vorrichtung zur zerstörungsfreien Prüfung von Rohren |
FR2903812B1 (fr) * | 2006-07-13 | 2008-10-31 | Commissariat Energie Atomique | Circuit integre reparti sur au moins deux plans non paralleles et son procede de realisation |
US20080108870A1 (en) * | 2006-11-06 | 2008-05-08 | Wiita Bruce E | Apparatus and method for stabilizing an image from an endoscopic camera |
US8049494B2 (en) | 2007-05-21 | 2011-11-01 | Olympus Ndt | Flexible array probe for the inspection of a contoured surface with varying cross-sectional geometry |
DE102008020194A1 (de) * | 2008-04-16 | 2009-10-22 | Institut Dr. Foerster Gmbh & Co. Kg | Verfahren und Vorrichtung zum Detektieren von oberflächennahen Defekten mittels Streuflussmessung |
-
2011
- 2011-01-06 KR KR1020110001344A patent/KR101250559B1/ko active IP Right Grant
-
2012
- 2012-01-05 JP JP2013548353A patent/JP5984123B2/ja not_active Expired - Fee Related
- 2012-01-05 US US13/977,978 patent/US9310337B2/en not_active Expired - Fee Related
- 2012-01-05 WO PCT/KR2012/000110 patent/WO2012093865A2/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20140002068A1 (en) | 2014-01-02 |
WO2012093865A2 (ko) | 2012-07-12 |
WO2012093865A3 (ko) | 2012-11-08 |
KR101250559B1 (ko) | 2013-04-03 |
JP2014503069A (ja) | 2014-02-06 |
KR20120079967A (ko) | 2012-07-16 |
US9310337B2 (en) | 2016-04-12 |
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