FR2712975B1 - Procédé de contrôle non destructif d'un tube mince par courants de Foucault et capteur à courants de Foucault. - Google Patents
Procédé de contrôle non destructif d'un tube mince par courants de Foucault et capteur à courants de Foucault.Info
- Publication number
- FR2712975B1 FR2712975B1 FR9314008A FR9314008A FR2712975B1 FR 2712975 B1 FR2712975 B1 FR 2712975B1 FR 9314008 A FR9314008 A FR 9314008A FR 9314008 A FR9314008 A FR 9314008A FR 2712975 B1 FR2712975 B1 FR 2712975B1
- Authority
- FR
- France
- Prior art keywords
- current sensor
- thin tube
- destructive testing
- eddy
- eddy current
- 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.)
- Expired - Fee Related
Links
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
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314008A FR2712975B1 (fr) | 1993-11-23 | 1993-11-23 | Procédé de contrôle non destructif d'un tube mince par courants de Foucault et capteur à courants de Foucault. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314008A FR2712975B1 (fr) | 1993-11-23 | 1993-11-23 | Procédé de contrôle non destructif d'un tube mince par courants de Foucault et capteur à courants de Foucault. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2712975A1 FR2712975A1 (fr) | 1995-06-02 |
FR2712975B1 true FR2712975B1 (fr) | 1996-08-02 |
Family
ID=9453151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9314008A Expired - Fee Related FR2712975B1 (fr) | 1993-11-23 | 1993-11-23 | Procédé de contrôle non destructif d'un tube mince par courants de Foucault et capteur à courants de Foucault. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2712975B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2811076B1 (fr) | 2000-06-29 | 2002-09-20 | Snecma Moteurs | Procede de mesure d'epaisseur de paroi d'une aube creuse |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE7813344L (sv) * | 1978-12-28 | 1980-06-29 | Bengt Hjalmar Tornblom | Met- och/eller kompensationsanordning |
SE8302738L (sv) * | 1983-05-16 | 1984-11-17 | Bengt Hjalmar Tornblom | Anordning och/eller sett baserad pa frekvensvalsprincip |
JPS6012265A (ja) * | 1983-07-01 | 1985-01-22 | Nippon Kokan Kk <Nkk> | 凝固層厚さの測定方法 |
US4814702A (en) * | 1984-05-31 | 1989-03-21 | Westinghouse Electric Corp. | Process for accurately determining the position of the edges of support plates in steam generators |
FR2572175A1 (fr) * | 1984-10-24 | 1986-04-25 | Stein Heurtey | Procede et dispositif pour mesurer l'epaisseur de couches metalliques minces deposees sur un support conducteur |
JPS6196401A (ja) * | 1984-10-18 | 1986-05-15 | Kobe Steel Ltd | 2周波によるライナ厚測定方法 |
US4704577A (en) * | 1986-04-18 | 1987-11-03 | Westinghouse Electric Corp. | Eddy currents probe for measuring a gap between a tube and an antivibration bar |
-
1993
- 1993-11-23 FR FR9314008A patent/FR2712975B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2712975A1 (fr) | 1995-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |