IT1170175B - Microscopio a corrente indotta - Google Patents

Microscopio a corrente indotta

Info

Publication number
IT1170175B
IT1170175B IT22195/83A IT2219583A IT1170175B IT 1170175 B IT1170175 B IT 1170175B IT 22195/83 A IT22195/83 A IT 22195/83A IT 2219583 A IT2219583 A IT 2219583A IT 1170175 B IT1170175 B IT 1170175B
Authority
IT
Italy
Prior art keywords
induced current
current microscope
microscope
induced
current
Prior art date
Application number
IT22195/83A
Other languages
English (en)
Italian (it)
Other versions
IT8322195A1 (it
IT8322195A0 (it
Inventor
David Charles Copley
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8322195A0 publication Critical patent/IT8322195A0/it
Publication of IT8322195A1 publication Critical patent/IT8322195A1/it
Application granted granted Critical
Publication of IT1170175B publication Critical patent/IT1170175B/it

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)
  • 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)
  • Recording Measured Values (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
IT22195/83A 1982-08-03 1983-07-22 Microscopio a corrente indotta IT1170175B (it)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
IT8322195A0 IT8322195A0 (it) 1983-07-22
IT8322195A1 IT8322195A1 (it) 1985-01-22
IT1170175B true IT1170175B (it) 1987-06-03

Family

ID=23600622

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22195/83A IT1170175B (it) 1982-08-03 1983-07-22 Microscopio a corrente indotta

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
EP1241473A1 (de) * 2001-03-16 2002-09-18 Siemens Aktiengesellschaft Verfahren zur zerstörungsfreien Prüfung carbidhaltiger Legierungen sowie zur Herstellung einer Gasturbinenschaufel
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
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
DE3327571A1 (de) 1984-02-09
IT8322195A1 (it) 1985-01-22
IT8322195A0 (it) 1983-07-22
IL68155A0 (en) 1983-06-15
GB2124772A (en) 1984-02-22
SE8303776L (sv) 1984-02-04
SE8303776D0 (sv) 1983-07-01
FR2531537A1 (fr) 1984-02-10
JPS5952748A (ja) 1984-03-27
GB8315680D0 (en) 1983-07-13

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