SE8603113L - Undertryckning av godartade ytdefekter vid virvelstromsprovning - Google Patents
Undertryckning av godartade ytdefekter vid virvelstromsprovningInfo
- Publication number
- SE8603113L SE8603113L SE8603113A SE8603113A SE8603113L SE 8603113 L SE8603113 L SE 8603113L SE 8603113 A SE8603113 A SE 8603113A SE 8603113 A SE8603113 A SE 8603113A SE 8603113 L SE8603113 L SE 8603113L
- Authority
- SE
- Sweden
- Prior art keywords
- transducer
- sensor
- vertebrate
- suppression
- surface defects
- Prior art date
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
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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8603113A SE456863B (sv) | 1986-07-15 | 1986-07-15 | Maet- och/eller kontrollanordning utnyttjande virvelstroemsteknik med undertryckning av godartade ytdeformationer |
EP87109756A EP0253274A3 (en) | 1986-07-15 | 1987-07-07 | Device utilizing eddy current technique for measuring and/or supervision |
JP62173122A JPS6329244A (ja) | 1986-07-15 | 1987-07-13 | 渦電流表面欠陥検出装置 |
US07/072,673 US4851774A (en) | 1986-07-15 | 1987-07-13 | Suppression of the effect of harmless surface defects in eddy current testing by sensitivity characteristic compensation |
US07/311,348 US4965519A (en) | 1986-07-15 | 1989-02-15 | Suppression of the effect of harmless surface defects in eddy current testing by sensitivity characteristic compensation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8603113A SE456863B (sv) | 1986-07-15 | 1986-07-15 | Maet- och/eller kontrollanordning utnyttjande virvelstroemsteknik med undertryckning av godartade ytdeformationer |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8603113D0 SE8603113D0 (sv) | 1986-07-15 |
SE8603113L true SE8603113L (sv) | 1988-01-16 |
SE456863B SE456863B (sv) | 1988-11-07 |
Family
ID=20365109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8603113A SE456863B (sv) | 1986-07-15 | 1986-07-15 | Maet- och/eller kontrollanordning utnyttjande virvelstroemsteknik med undertryckning av godartade ytdeformationer |
Country Status (4)
Country | Link |
---|---|
US (2) | US4851774A (sv) |
EP (1) | EP0253274A3 (sv) |
JP (1) | JPS6329244A (sv) |
SE (1) | SE456863B (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE456863B (sv) * | 1986-07-15 | 1988-11-07 | Toernbloms Kvalitetskontroll | Maet- och/eller kontrollanordning utnyttjande virvelstroemsteknik med undertryckning av godartade ytdeformationer |
JP2961761B2 (ja) * | 1989-09-14 | 1999-10-12 | ミノルタ株式会社 | 光学装置 |
US5182513A (en) * | 1991-04-06 | 1993-01-26 | General Electric Company | Method and apparatus for a multi-channel multi-frequency data acquisition system for nondestructive eddy current inspection testing |
US5389876A (en) * | 1991-05-06 | 1995-02-14 | General Electric Company | Flexible eddy current surface measurement array for detecting near surface flaws in a conductive part |
US5237271A (en) * | 1991-05-06 | 1993-08-17 | General Electric Company | Apparatus and method for non-destructive testing using multi-frequency eddy currents |
US5371461A (en) * | 1992-06-26 | 1994-12-06 | General Electric Company | Apparatus and method for compensating for variations in the lift-off of eddy current surface inspection array elements |
US5430376A (en) * | 1993-06-09 | 1995-07-04 | General Electric Company | Combined thermoelectric and eddy-current method and apparatus for nondestructive testing of metallic of semiconductor coated objects |
DE4322987C2 (de) * | 1993-07-09 | 1997-04-10 | Erwin Halstrup | Spule zur Erzeugung eines magnetischen Wechselfeldes |
US5623427A (en) * | 1994-09-02 | 1997-04-22 | Defelsko Corporation | Nondestructive anodic capacity gauge |
WO2001046939A1 (en) | 1999-12-20 | 2001-06-28 | Connor Henry Moncrieff O | Method for generating and displaying complex data utilizing color-coded signals |
EP1952135A4 (en) * | 2005-11-03 | 2011-12-14 | Coastal Res Corp | CONVIVIAL FOUCAULT CURRENT NETWORK |
US7505859B2 (en) * | 2007-04-05 | 2009-03-17 | Olympus Ndt | Method and algorithms for inspection of longitudinal defects in an eddy current inspection system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3050678A (en) * | 1958-11-04 | 1962-08-21 | Shell Oil Co | Magnetic testing system for metallic bodies |
US3056081A (en) * | 1959-06-22 | 1962-09-25 | Budd Co | Electromagnetic testing |
FR1255436A (fr) * | 1960-01-26 | 1961-03-10 | Siderurgie Fse Inst Rech | Perfectionnements aux appareils électro-magnétiques de détection des défauts des produits métalliques |
SE444079B (sv) * | 1977-11-22 | 1986-03-17 | British Steel Corp | Apparat for kontroll av ytan hos ett langstreckt metallforemal |
US4355281A (en) * | 1978-06-14 | 1982-10-19 | Republic Steel Corporation | Eddy current surface flaw detection employing signal correlation |
SE7813344L (sv) * | 1978-12-28 | 1980-06-29 | Bengt Hjalmar Tornblom | Met- och/eller kompensationsanordning |
US4303885A (en) * | 1979-06-18 | 1981-12-01 | Electric Power Research Institute, Inc. | Digitally controlled multifrequency eddy current test apparatus and method |
JPS5817353A (ja) * | 1981-06-12 | 1983-02-01 | Kobe Steel Ltd | 複数コイル方式による多重周波数渦流探傷法及び多重周波数渦流探傷装置 |
JPS59104545A (ja) * | 1982-12-07 | 1984-06-16 | Kobe Steel Ltd | 連続鋳造鋼片の熱間探傷方法 |
SE456863B (sv) * | 1986-07-15 | 1988-11-07 | Toernbloms Kvalitetskontroll | Maet- och/eller kontrollanordning utnyttjande virvelstroemsteknik med undertryckning av godartade ytdeformationer |
-
1986
- 1986-07-15 SE SE8603113A patent/SE456863B/sv not_active IP Right Cessation
-
1987
- 1987-07-07 EP EP87109756A patent/EP0253274A3/en not_active Withdrawn
- 1987-07-13 US US07/072,673 patent/US4851774A/en not_active Expired - Fee Related
- 1987-07-13 JP JP62173122A patent/JPS6329244A/ja active Pending
-
1989
- 1989-02-15 US US07/311,348 patent/US4965519A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE8603113D0 (sv) | 1986-07-15 |
US4851774A (en) | 1989-07-25 |
SE456863B (sv) | 1988-11-07 |
US4965519A (en) | 1990-10-23 |
EP0253274A2 (en) | 1988-01-20 |
EP0253274A3 (en) | 1989-07-26 |
JPS6329244A (ja) | 1988-02-06 |
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