DE3327571A1 - Wirbelstrom-mikroskop - Google Patents

Wirbelstrom-mikroskop

Info

Publication number
DE3327571A1
DE3327571A1 DE19833327571 DE3327571A DE3327571A1 DE 3327571 A1 DE3327571 A1 DE 3327571A1 DE 19833327571 DE19833327571 DE 19833327571 DE 3327571 A DE3327571 A DE 3327571A DE 3327571 A1 DE3327571 A1 DE 3327571A1
Authority
DE
Germany
Prior art keywords
probe
area
recording
scanning
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.)
Withdrawn
Application number
DE19833327571
Other languages
German (de)
English (en)
Inventor
David Charles 45014 Fairfield Ohio Copley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE3327571A1 publication Critical patent/DE3327571A1/de
Withdrawn legal-status Critical Current

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
    • G01N27/9073—Recording measured data
    • G01N27/908—Recording measured data synchronously with scanning

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Recording Measured Values (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Electron Sources, Ion Sources (AREA)
DE19833327571 1982-08-03 1983-07-30 Wirbelstrom-mikroskop Withdrawn DE3327571A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40468782A 1982-08-03 1982-08-03

Publications (1)

Publication Number Publication Date
DE3327571A1 true DE3327571A1 (de) 1984-02-09

Family

ID=23600622

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833327571 Withdrawn DE3327571A1 (de) 1982-08-03 1983-07-30 Wirbelstrom-mikroskop

Country Status (7)

Country Link
JP (1) JPS5952748A (sv)
DE (1) DE3327571A1 (sv)
FR (1) FR2531537A1 (sv)
GB (1) GB2124772A (sv)
IL (1) IL68155A0 (sv)
IT (1) IT1170175B (sv)
SE (1) SE8303776L (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644274A (en) * 1983-04-01 1987-02-17 General Electric Company Apparatus for supporting an eddy current probe used to scan an irregular surface
JP2004523767A (ja) * 2001-03-16 2004-08-05 シーメンス　アクチエンゲゼルシヤフト 炭化物含有合金又は表面近傍が硫化された合金の非破壊検査方法およびガスタービン翼の製造方法
EP1241473A1 (de) * 2001-03-16 2002-09-18 Siemens Aktiengesellschaft Verfahren zur zerstörungsfreien Prüfung carbidhaltiger Legierungen sowie zur Herstellung einer Gasturbinenschaufel
FR2926136B1 (fr) * 2008-01-03 2010-04-02 Eads Europ Aeronautic Defence Procede de mesure par balayage d'une caracteristique physique a la surface d'un objet
GB201110678D0 (en) 2011-06-23 2011-08-10 Sarclad Ltd A method of detecting defects in a metallic surface
CN104316596A (zh) * 2014-11-07 2015-01-28 中航工业贵州航空动力有限公司 一种航空发动机压气机二、三级盘检测裂纹的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB587158A (en) * 1942-12-29 1947-04-16 George Keinath Improvements in three magnitude recorders
US3243697A (en) * 1961-07-03 1966-03-29 Shell Oil Co Self-contained pipeline inspecting system
GB1072436A (en) * 1963-09-04 1967-06-14 Atomic Energy Authority Uk Improvements in or relating to techniques for examining the internal structure of a specimen
US3302105A (en) * 1964-08-26 1967-01-31 Hugo L Libby Eddy current nondestructive testing device using an oscilloscope to identify and locate irregularities in a test piece
US3351852A (en) * 1964-08-26 1967-11-07 Hugo L Libby Graphical nulling device for nondestructive eddy current testing equipment
US3475681A (en) * 1965-08-02 1969-10-28 Magnaflux Corp Apparatus display system for providing plural indications and threshold indications
US3419797A (en) * 1966-01-21 1968-12-31 Atomic Energy Commission Usa Nondestructive eddy current testing device for testing metal tubing and instantaneously displaying the cross section of said tubing
US4439730A (en) * 1981-05-08 1984-03-27 Amf Inc. Nondestructive inspection apparatus and method utilizing combined inspection signals obtained from orthogonal magnetic fields
FR2512959A1 (fr) * 1981-09-14 1983-03-18 Commissariat Energie Atomique Procede et dispositifs de controle d'une surface au moyen d'un capteur a courants de foucault

Also Published As

Publication number Publication date
IT8322195A0 (it) 1983-07-22
IT8322195A1 (it) 1985-01-22
JPS5952748A (ja) 1984-03-27
GB2124772A (en) 1984-02-22
IT1170175B (it) 1987-06-03
FR2531537A1 (fr) 1984-02-10
SE8303776L (sv) 1984-02-04
IL68155A0 (en) 1983-06-15
SE8303776D0 (sv) 1983-07-01
GB8315680D0 (en) 1983-07-13

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee