JPH0771905A - 核燃料棒に析出した強磁性物質の厚みを決定する方法 - Google Patents
核燃料棒に析出した強磁性物質の厚みを決定する方法Info
- Publication number
- JPH0771905A JPH0771905A JP6096817A JP9681794A JPH0771905A JP H0771905 A JPH0771905 A JP H0771905A JP 6096817 A JP6096817 A JP 6096817A JP 9681794 A JP9681794 A JP 9681794A JP H0771905 A JPH0771905 A JP H0771905A
- Authority
- JP
- Japan
- Prior art keywords
- probe
- complex impedance
- thickness
- fuel rod
- ferromagnetic material
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 10
- 230000005294 ferromagnetic effect Effects 0.000 title claims description 11
- 239000000126 substance Substances 0.000 title description 5
- 239000000523 sample Substances 0.000 claims abstract description 96
- 230000035699 permeability Effects 0.000 claims abstract description 33
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 27
- 230000005291 magnetic effect Effects 0.000 claims abstract description 20
- 238000005253 cladding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 230000001939 inductive effect Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 7
- 238000002847 impedance measurement Methods 0.000 claims 4
- 239000000446 fuel Substances 0.000 abstract description 23
- 238000005260 corrosion Methods 0.000 abstract description 20
- 230000007797 corrosion Effects 0.000 abstract description 20
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 abstract description 9
- 238000013459 approach Methods 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 description 14
- 238000005259 measurement Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 6
- 238000010998 test method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910001093 Zr alloy Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012496 blank sample Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000032258 transport Effects 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
- 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
- G01N27/9046—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 by analysing electrical signals
- G01N27/9053—Compensating for probe to workpiece spacing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
- G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US058152 | 1993-05-12 | ||
| US08/058,152 US5341678A (en) | 1993-05-12 | 1993-05-12 | Method for determining thickness of ferromagnetic material deposition on nuclear fuel rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0771905A true JPH0771905A (ja) | 1995-03-17 |
Family
ID=22015022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6096817A Withdrawn JPH0771905A (ja) | 1993-05-12 | 1994-05-11 | 核燃料棒に析出した強磁性物質の厚みを決定する方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5341678A (enExample) |
| EP (1) | EP0627609A1 (enExample) |
| JP (1) | JPH0771905A (enExample) |
| TW (1) | TW269040B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133208A (ja) * | 1999-09-17 | 2001-05-18 | Siemens Power Corp | 核燃料棒の被覆表面の酸化物材料からなる層の厚さを求める方法 |
| JP2008304471A (ja) * | 2000-03-28 | 2008-12-18 | Toshiba Corp | 膜厚測定装置、膜厚測定方法および記録媒体 |
| JP2010145233A (ja) * | 2008-12-18 | 2010-07-01 | Global Nuclear Fuel-Japan Co Ltd | 酸化膜厚さ測定方法 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997001739A1 (fr) * | 1995-06-29 | 1997-01-16 | Bekaert Naamloze Vennootschap | Procede et installation pour la mesure d'epaisseur de couche conductrice non ferromagnetique sur un substrat conducteur ferromagnetique |
| US6369566B1 (en) * | 1999-09-27 | 2002-04-09 | Framatone Anp Inc. | Method for measuring crud thickness on nuclear fuel rods |
| US6288537B1 (en) | 1999-12-22 | 2001-09-11 | General Electric Company | Eddy current probe with foil sensor mounted on flexible probe tip and method of use |
| US6741076B2 (en) | 2000-04-07 | 2004-05-25 | Cuong Duy Le | Eddy current measuring system for monitoring and controlling a CMP process |
| US6762604B2 (en) | 2000-04-07 | 2004-07-13 | Cuong Duy Le | Standalone eddy current measuring system for thickness estimation of conductive films |
| US20030210041A1 (en) * | 2000-04-07 | 2003-11-13 | Le Cuong Duy | Eddy current measuring system for monitoring and controlling a chemical vapor deposition (CVD) process |
| US6549006B2 (en) * | 2000-04-07 | 2003-04-15 | Cuong Duy Le | Eddy current measurements of thin-film metal coatings using a selectable calibration standard |
| US7215117B2 (en) * | 2001-10-17 | 2007-05-08 | Esr Technology Ltd. | Measurement with a magnetic field |
| US7388369B2 (en) * | 2004-11-30 | 2008-06-17 | Electric Power Research Institute, Inc. | Method and apparatus for measuring hydrogen concentration in zirconium alloy components in the fuel pool of a nuclear power plant |
| US8903680B2 (en) * | 2010-12-10 | 2014-12-02 | The Boeing Company | Apparatus and method for evaluating layers in a multi-layer structure |
| KR101200781B1 (ko) * | 2011-07-08 | 2012-11-13 | 한전원자력연료 주식회사 | 프로브 및 이를 포함하는 연료봉 산화막 두께 측정장치 |
| CN111487294A (zh) * | 2019-12-19 | 2020-08-04 | 韦士肯(厦门)智能科技有限公司 | 一种金属探伤方法及系统 |
| CN111929127B (zh) * | 2020-07-23 | 2023-06-13 | 核工业西南物理研究院 | 一种原位实时定量诊断聚变装置面壁部件腐蚀沉积的方法 |
| KR102589937B1 (ko) * | 2021-04-01 | 2023-10-17 | 현대모비스 주식회사 | 레이더용 웨이브가이드 |
| CN113932700B (zh) * | 2021-09-28 | 2022-06-24 | 中国矿业大学 | 一种基于阻抗坐标变换的热障涂层粘结层厚度测量方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1237335B (de) * | 1963-12-03 | 1967-03-23 | Dr Phil Friedrich Foerster | Anordnung zur Messung von Schichtdicken nichtferromagnetischer Medien auf ferromagnetischem Material |
| US3737764A (en) * | 1971-09-27 | 1973-06-05 | Commissariat Energie Atomique | Eddy-current test apparatus for detection of flaws in a metal seal placed within an electrically conductive tube |
| US4088946A (en) * | 1975-07-28 | 1978-05-09 | Westinghouse Electric Corp. | Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen |
| US4292588A (en) * | 1978-12-18 | 1981-09-29 | Schlumberger Technology Corporation | Electromagnetic inspection tool for ferromagnetic casings |
| US4303885A (en) * | 1979-06-18 | 1981-12-01 | Electric Power Research Institute, Inc. | Digitally controlled multifrequency eddy current test apparatus and method |
| EP0091429B1 (en) * | 1981-10-14 | 1987-03-18 | Combustion Engineering, Inc. | Clad thickness measuring device |
| US4553095A (en) * | 1982-06-10 | 1985-11-12 | Westinghouse Electric Corp. | Eddy current thickness gauge with constant magnetic bias |
| JPS5967405A (ja) * | 1982-09-30 | 1984-04-17 | Sumitomo Metal Ind Ltd | ライナ厚測定方法 |
| JPS6193901A (ja) * | 1984-10-15 | 1986-05-12 | Kobe Steel Ltd | ライナ厚測定方法 |
| US4700134A (en) * | 1985-01-10 | 1987-10-13 | Anco Engineers, Inc. | Method and apparatus for determining the amount of magnetic debris adhering to the exterior of a tube |
| JPS6453146A (en) * | 1987-01-09 | 1989-03-01 | Hitachi Ltd | Method and instrument for measuring electrical conductivity of solution and water quality control method |
| JPH02502670A (ja) * | 1987-02-27 | 1990-08-23 | ラディオディテクション リミティド | 誘導変位センサ |
| US4901017A (en) * | 1987-08-28 | 1990-02-13 | Zinke Otto H | Gap-modified magnetic bridge device for fringing flux analysis |
| FR2656415B1 (fr) * | 1989-12-27 | 1993-04-09 | Framatome Sa | Procede et dispositif de mesure simultanee de distance entre tubes metalliques et d'epaisseur d'oxyde sur les tubes. |
-
1993
- 1993-05-12 US US08/058,152 patent/US5341678A/en not_active Expired - Lifetime
-
1994
- 1994-01-04 TW TW083100001A patent/TW269040B/zh active
- 1994-05-11 JP JP6096817A patent/JPH0771905A/ja not_active Withdrawn
- 1994-05-11 EP EP94303397A patent/EP0627609A1/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133208A (ja) * | 1999-09-17 | 2001-05-18 | Siemens Power Corp | 核燃料棒の被覆表面の酸化物材料からなる層の厚さを求める方法 |
| JP2008304471A (ja) * | 2000-03-28 | 2008-12-18 | Toshiba Corp | 膜厚測定装置、膜厚測定方法および記録媒体 |
| JP2010145233A (ja) * | 2008-12-18 | 2010-07-01 | Global Nuclear Fuel-Japan Co Ltd | 酸化膜厚さ測定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5341678A (en) | 1994-08-30 |
| EP0627609A1 (en) | 1994-12-07 |
| TW269040B (enExample) | 1996-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0771905A (ja) | 核燃料棒に析出した強磁性物質の厚みを決定する方法 | |
| US3693075A (en) | Eddy current system for testing tubes for defects,eccentricity,and wall thickness | |
| JP5406468B2 (ja) | パルス式うず電流検査のための自動リフトオフ補償 | |
| US4924182A (en) | Eddy current method to measure distance between scanned surface and a subsurface defect | |
| RU2299399C2 (ru) | Определение профиля поверхности объекта | |
| US20090251137A1 (en) | Method for determining the layer thickness of an electrically conductive coating on an electrically conductive substrate | |
| JP4681106B2 (ja) | 核燃料棒の被覆表面の酸化物材料からなる層の厚さを求める方法 | |
| GB2292222A (en) | Electromagnetic induction type inspection device | |
| US5963031A (en) | Method and apparatus for measuring the thickness of a non-ferromagnetic conductive layer on a ferromagnetic conductive substrate | |
| KR100741205B1 (ko) | 핵연료봉상의 침전물 두께 측정 방법 | |
| JPH0556474B2 (enExample) | ||
| Buckley | An introduction to Eddy Current Testing theory and technology | |
| JP2001318080A (ja) | 検出コイルとこの検出コイルを用いた検査装置 | |
| Danon et al. | Characterizing tantalum sputtered coatings on steel by using eddy currents | |
| US6285183B1 (en) | Method and system for measuring the volume loss of a metal substrate | |
| US10775347B2 (en) | Material inspection using eddy currents | |
| Perumal et al. | Study of the choice of excitation frequency for sub surface defect detection in electrically thick conducting specimen using eddy current testing | |
| RU2107894C1 (ru) | Способ измерения толщины покрытия на подложке | |
| KR102899120B1 (ko) | 와전류를 이용한 두께 측정 센서 및 이를 포함하는 측정 시스템 | |
| Sasi et al. | Eddy current giant magnetoresistive (GMR) sensor for non-destructive detection of deep-surface defects | |
| KR102867023B1 (ko) | Ect 센서를 이용한 코팅물 두께 측정 방법 | |
| JP2003139885A (ja) | 照射済み核燃料棒の金属厚さを検知する方法 | |
| JPH0381677A (ja) | 磁気遮蔽室構成材料の磁気遮蔽性能測定方法及びその測定装置 | |
| Capova et al. | Recent trends in electromagnetic non-destructive sensing | |
| Zergoug et al. | Applying pulsed eddy current in detection and characterisation of defect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010731 |