SE467176B - Anordning foer att reducera daempning vid/av virvelstroemsgivare - Google Patents
Anordning foer att reducera daempning vid/av virvelstroemsgivareInfo
- Publication number
- SE467176B SE467176B SE9002492A SE9002492A SE467176B SE 467176 B SE467176 B SE 467176B SE 9002492 A SE9002492 A SE 9002492A SE 9002492 A SE9002492 A SE 9002492A SE 467176 B SE467176 B SE 467176B
- Authority
- SE
- Sweden
- Prior art keywords
- sub
- washer
- tube
- magnetic flux
- test object
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 17
- 229910000859 α-Fe Inorganic materials 0.000 claims description 15
- 230000004907 flux Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000008646 thermal stress Effects 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920006268 silicone film Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation 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
- G01N27/904—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 with two or more sensors
-
- 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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
Landscapes
- 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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9002492A SE467176B (sv) | 1990-07-24 | 1990-07-24 | Anordning foer att reducera daempning vid/av virvelstroemsgivare |
| CA002047661A CA2047661A1 (fr) | 1990-07-24 | 1991-07-23 | Methode et/ou dispositif d'attenuation pour transducteur a courant de foucault |
| JP3182335A JPH04282452A (ja) | 1990-07-24 | 1991-07-23 | うず電流トランスデューサの／による減衰を減少させる方法および装置 |
| EP91112571A EP0524342A1 (fr) | 1990-07-24 | 1991-07-25 | Transducteur basé à la technologie de courant de Foucault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9002492A SE467176B (sv) | 1990-07-24 | 1990-07-24 | Anordning foer att reducera daempning vid/av virvelstroemsgivare |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9002492D0 SE9002492D0 (sv) | 1990-07-24 |
| SE9002492L SE9002492L (sv) | 1992-01-25 |
| SE467176B true SE467176B (sv) | 1992-06-01 |
Family
ID=20380040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9002492A SE467176B (sv) | 1990-07-24 | 1990-07-24 | Anordning foer att reducera daempning vid/av virvelstroemsgivare |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0524342A1 (fr) |
| JP (1) | JPH04282452A (fr) |
| CA (1) | CA2047661A1 (fr) |
| SE (1) | SE467176B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12436131B2 (en) * | 2021-04-22 | 2025-10-07 | Evident Canada, Inc. | High temperature ECA probe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2937650C2 (de) * | 1979-09-18 | 1981-07-30 | Institut Dr. Friedrich Förster Prüfgerätebau, 7410 Reutlingen | Wirbelstromprüfsonde zum Abtasten der Oberfläche eines metallischen Prüfteiles |
| SE457117B (sv) * | 1984-02-17 | 1988-11-28 | Bengt Hjalmar Toernblom | Saett och anordning foer provning av elektriskt ledande provobjekt |
| US4673879A (en) * | 1984-06-27 | 1987-06-16 | Rupublic Steel Corporation | Eddy current flaw detector having rotatable field defining sleeve for selectively enhancing induced eddy currents in a workpiece |
| US11047221B2 (en) * | 2013-06-30 | 2021-06-29 | Fereidoun Abbassian | System and console for monitoring and managing well site operations |
-
1990
- 1990-07-24 SE SE9002492A patent/SE467176B/sv not_active IP Right Cessation
-
1991
- 1991-07-23 JP JP3182335A patent/JPH04282452A/ja active Pending
- 1991-07-23 CA CA002047661A patent/CA2047661A1/fr not_active Abandoned
- 1991-07-25 EP EP91112571A patent/EP0524342A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CA2047661A1 (fr) | 1992-01-25 |
| JPH04282452A (ja) | 1992-10-07 |
| SE9002492L (sv) | 1992-01-25 |
| EP0524342A1 (fr) | 1993-01-27 |
| SE9002492D0 (sv) | 1990-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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