SE435969B - Sett och anordning for pavisande av diskontinuiteter i ett material - Google Patents
Sett och anordning for pavisande av diskontinuiteter i ett materialInfo
- Publication number
- SE435969B SE435969B SE7904155A SE7904155A SE435969B SE 435969 B SE435969 B SE 435969B SE 7904155 A SE7904155 A SE 7904155A SE 7904155 A SE7904155 A SE 7904155A SE 435969 B SE435969 B SE 435969B
- Authority
- SE
- Sweden
- Prior art keywords
- sensors
- circular
- web
- material web
- circular path
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000007769 metal material Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 abstract 2
- 238000005259 measurement Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- MZAGXDHQGXUDDX-JSRXJHBZSA-N (e,2z)-4-ethyl-2-hydroxyimino-5-nitrohex-3-enamide Chemical compound [O-][N+](=O)C(C)C(/CC)=C/C(=N/O)/C(N)=O MZAGXDHQGXUDDX-JSRXJHBZSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Golf Clubs (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7904155A SE435969B (sv) | 1979-05-11 | 1979-05-11 | Sett och anordning for pavisande av diskontinuiteter i ett material |
| AT80850071T ATE7082T1 (de) | 1979-05-11 | 1980-05-09 | Verfahren und geraet zum feststellen von fehlstellen in materialien. |
| DE8080850071T DE3067419D1 (en) | 1979-05-11 | 1980-05-09 | Method and apparatus for detecting discontinuities in materials |
| EP80850071A EP0019604B2 (en) | 1979-05-11 | 1980-05-09 | Method and apparatus for detecting discontinuities in materials |
| PCT/SE1980/000135 WO1980002594A1 (en) | 1979-05-11 | 1980-05-09 | Method and apparatus for detecting discontinuities in a material |
| US06/229,585 US4451787A (en) | 1979-05-11 | 1980-05-09 | Method and apparatus to detect randomly distributed discontinuities in different directions in a longitudinally moving web using rotating probes in overlapped paths |
| AU59885/80A AU542650B2 (en) | 1979-05-01 | 1980-05-09 | Method and apparatus for detecting discontinuities in a material |
| JP50111580A JPS56500509A (2) | 1979-05-11 | 1980-05-09 | |
| NO81810022A NO154410C (no) | 1979-05-11 | 1981-01-06 | Fremgangsmaate for aa oppdage diskontinuiteter i materialer. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7904155A SE435969B (sv) | 1979-05-11 | 1979-05-11 | Sett och anordning for pavisande av diskontinuiteter i ett material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7904155L SE7904155L (sv) | 1980-11-12 |
| SE435969B true SE435969B (sv) | 1984-10-29 |
Family
ID=20338033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7904155A SE435969B (sv) | 1979-05-01 | 1979-05-11 | Sett och anordning for pavisande av diskontinuiteter i ett material |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4451787A (2) |
| EP (1) | EP0019604B2 (2) |
| JP (1) | JPS56500509A (2) |
| AT (1) | ATE7082T1 (2) |
| AU (1) | AU542650B2 (2) |
| DE (1) | DE3067419D1 (2) |
| NO (1) | NO154410C (2) |
| SE (1) | SE435969B (2) |
| WO (1) | WO1980002594A1 (2) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125968B (en) * | 1982-08-19 | 1986-11-05 | British Steel Corp | Ultasonic testing of steel plates or tube |
| US4859940A (en) * | 1987-09-09 | 1989-08-22 | Westinghouse Electric Corp. | Apparatus for detecting onset of slag entrainment in a molten metal stream |
| US4970638A (en) * | 1988-10-31 | 1990-11-13 | The United States Of America As Represented By The Secretary Of The Air Force | Control of unknown systems via deconvolution |
| GB9105361D0 (en) * | 1991-03-13 | 1991-04-24 | British Steel Plc | Non destructive testing |
| DK169956B1 (da) * | 1992-03-23 | 1995-04-10 | Force Inst | Fremgangsmåde og apparat til detektion af magnetiske diskontinuiteter i et prøveemne af magnetisk materiale |
| US6603312B2 (en) * | 2000-12-11 | 2003-08-05 | Cbg Corporation | Multi-frequency array induction tool |
| EP3961203B1 (en) * | 2019-04-24 | 2022-11-30 | JFE Steel Corporation | Leakage magnetic flux flaw inspection device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1422190A (fr) * | 1964-10-28 | 1965-12-24 | Realisations Ultrasoniques Sa | Appareil de contrôle de matière en feuilles au moyen d'ultra-sons |
| US3611120A (en) * | 1970-02-24 | 1971-10-05 | Forster F M O | Eddy current testing systems with means to compensate for probe to workpiece spacing |
| DE2439662C3 (de) * | 1974-08-19 | 1978-10-12 | Graenges Oxeloesunds Jaernverk Ab, Oxeloesund (Schweden) | Vorrichtung zum zerstörungsfreien Prüfen von metallischen Rohlingen auf Oberflächenfehler |
| DE2636246C2 (de) * | 1976-08-12 | 1982-09-16 | Brown Boveri Reaktor GmbH, 6800 Mannheim | Verfahren zum Auffinden von Materialfehlern in der Wandung eines Reaktordruckbehälters |
-
1979
- 1979-05-11 SE SE7904155A patent/SE435969B/sv not_active IP Right Cessation
-
1980
- 1980-05-09 EP EP80850071A patent/EP0019604B2/en not_active Expired
- 1980-05-09 JP JP50111580A patent/JPS56500509A/ja active Pending
- 1980-05-09 US US06/229,585 patent/US4451787A/en not_active Expired - Lifetime
- 1980-05-09 DE DE8080850071T patent/DE3067419D1/de not_active Expired
- 1980-05-09 WO PCT/SE1980/000135 patent/WO1980002594A1/en not_active Ceased
- 1980-05-09 AT AT80850071T patent/ATE7082T1/de not_active IP Right Cessation
- 1980-05-09 AU AU59885/80A patent/AU542650B2/en not_active Ceased
-
1981
- 1981-01-06 NO NO81810022A patent/NO154410C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE7082T1 (de) | 1984-04-15 |
| NO154410C (no) | 1986-09-10 |
| NO810022L (no) | 1981-01-06 |
| EP0019604B1 (en) | 1984-04-11 |
| EP0019604A1 (en) | 1980-11-26 |
| US4451787A (en) | 1984-05-29 |
| DE3067419D1 (en) | 1984-05-17 |
| AU542650B2 (en) | 1985-02-28 |
| WO1980002594A1 (en) | 1980-11-27 |
| JPS56500509A (2) | 1981-04-16 |
| EP0019604B2 (en) | 1987-04-15 |
| AU5988580A (en) | 1981-01-15 |
| SE7904155L (sv) | 1980-11-12 |
| NO154410B (no) | 1986-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7904155-4 Effective date: 19941210 Format of ref document f/p: F |
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