IT948925B - Sistema per la prova non distrutti va di pezzi col metodo delle corren ti parassite - Google Patents

Sistema per la prova non distrutti va di pezzi col metodo delle corren ti parassite

Info

Publication number
IT948925B
IT948925B IT67207/72A IT6720772A IT948925B IT 948925 B IT948925 B IT 948925B IT 67207/72 A IT67207/72 A IT 67207/72A IT 6720772 A IT6720772 A IT 6720772A IT 948925 B IT948925 B IT 948925B
Authority
IT
Italy
Prior art keywords
destroyed
testing
pieces
editorial
editorial method
Prior art date
Application number
IT67207/72A
Other languages
English (en)
Original Assignee
Automation Ind Inc
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 Automation Ind Inc filed Critical Automation Ind Inc
Application granted granted Critical
Publication of IT948925B publication Critical patent/IT948925B/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating 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
    • G01N27/9046Investigating 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
    • G01N27/9053Compensating for probe to workpiece spacing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating 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
    • G01N27/9006Details, e.g. in the structure or functioning of sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating 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
    • G01N27/9046Investigating 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

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)
IT67207/72A 1971-02-04 1972-01-25 Sistema per la prova non distrutti va di pezzi col metodo delle corren ti parassite IT948925B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11271071A 1971-02-04 1971-02-04

Publications (1)

Publication Number Publication Date
IT948925B true IT948925B (it) 1973-06-11

Family

ID=22345454

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67207/72A IT948925B (it) 1971-02-04 1972-01-25 Sistema per la prova non distrutti va di pezzi col metodo delle corren ti parassite

Country Status (8)

Country Link
US (1) US3753096A (it)
AU (1) AU456533B2 (it)
CA (1) CA946925A (it)
DE (1) DE2204904A1 (it)
FR (1) FR2125049A5 (it)
GB (1) GB1378711A (it)
IT (1) IT948925B (it)
NL (1) NL7201459A (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353055A1 (fr) * 1976-05-25 1977-12-23 Nippon Densokki Co Ltd Sonde d'inspection non destructive du metal, du type en aiguille
DE2817574B2 (de) * 1978-04-21 1980-04-30 Kraftwerk Union Ag, 4330 Muelheim Wirbelstrompriifsonde zur Untersuchung metallischer Werkstoffe auf Materialtrennungen und fehlerhafte Einschlüsse
US4272781A (en) * 1978-09-08 1981-06-09 Tokyo Shibaura Denki Kabushiki Kaisha Nondestructive examining apparatus
EP0033802B1 (en) * 1979-12-07 1984-08-08 Thorburn Technics (International) Limited Eddy current inspection apparatus and probe
US4262425A (en) * 1980-06-13 1981-04-21 General Electric Company Self-adjusting inspection apparatus
CA1158314A (en) * 1980-08-18 1983-12-06 Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Cana Da Limited Eddy current surface probe
IT1171429B (it) * 1981-07-31 1987-06-10 Consiglio Nazionale Ricerche Perfezionamento nei dispositivo per misure biomagnetiche utilizzanti gradiometri a seconda derivata
CA1201481A (en) * 1982-10-22 1986-03-04 Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited/L'energie Atomique Du Canada Limitee Eddy current probe with defect-noise discrimination
FR2545221B1 (fr) * 1983-04-29 1985-12-13 Thomson Jeumont Cables Capteur de donnees, par courant de foucault, et ensemble de controle de resistivite muni d'un tel capteur
IT1189660B (it) * 1986-04-11 1988-02-04 Fiat Auto Spa Apparecchiatura per rivelare micro difetti superficiali di un pezzo metallico
DE3827229A1 (de) * 1988-08-11 1990-02-15 Industrieanlagen Betriebsges Verfahren und vorrichtung zur zerstoerungsfreien pruefung von faserverstaerkten kunststoffen mittels wirbelstromsonden
GB2230341B (en) * 1989-01-28 1994-01-05 Cambridge Engineering Design L Apparatus for and method of measuring magnetic flux density
DE69019491T2 (de) * 1989-12-29 1996-02-22 Nat Aerospace Lab Verschiebungssensor vom Induktionstyp mit Unempfindlichkeit gegenüber externen magnetischen Feldern.
FR2689638B1 (fr) * 1992-04-06 1996-08-09 Aerospatiale Capteur a courants de foucault.
DE4410987A1 (de) * 1994-03-30 1995-10-05 Foerster Inst Dr Friedrich Hochauflösende Wirbelstromsonde
DE29517292U1 (de) * 1995-11-02 1995-12-14 Aerosafe Trading Wirbelstrom-Sondensystem
FR2780510B1 (fr) * 1998-06-25 2002-05-03 Minh Quang Le Dispositif electromagnetique de controle non destructif permettant la creation des champs magnetiques et des courants de foucault dirigeables
JP2003035738A (ja) * 2001-07-19 2003-02-07 Omron Corp 部品実装基板の検査方法および部品実装基板用の検査装置
GB2389909A (en) * 2002-06-22 2003-12-24 Hocking Ndt Ltd Inductively coupled eddy current probe
US6975108B2 (en) * 2003-11-13 2005-12-13 Yuli Bilik Methods and devices for eddy current PCB inspection
JP2008089328A (ja) * 2006-09-29 2008-04-17 Hitachi Ltd 渦電流探傷装置及び渦電流探傷方法
WO2013089627A1 (en) * 2011-12-14 2013-06-20 Daprox Ab Material thickness measuring device
GB2524610B (en) * 2014-03-28 2016-09-21 Technical Software Consultants Ltd A.C. Field measurement system
DE102016114608A1 (de) 2016-08-05 2018-02-08 Eickhoff Antriebstechnik Gmbh System und Verfahren zur Prüfung von Werkstücken, insbesondere von Verzahnungskomponenten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2033654A (en) * 1933-10-09 1936-03-10 Copperweld Steel Co Magnetic measurement
US2162710A (en) * 1936-08-05 1939-06-20 Gunn Ross Apparatus and method for detecting defects in metallic objects
US2321356A (en) * 1942-06-02 1943-06-08 Waugh Equipment Co Locator
US3197693A (en) * 1960-10-04 1965-07-27 Hugo L Libby Nondestructive eddy current subsurface testing device providing compensation for variation in probe-to-specimen spacing and surface irregularities
US3528004A (en) * 1967-09-25 1970-09-08 Hayao Katabami Apparatus for detecting the proximity of a metal body

Also Published As

Publication number Publication date
GB1378711A (en) 1974-12-27
NL7201459A (it) 1972-08-08
AU3837472A (en) 1973-08-02
CA946925A (en) 1974-05-07
AU456533B2 (en) 1974-12-19
US3753096A (en) 1973-08-14
DE2204904A1 (de) 1972-08-17
FR2125049A5 (it) 1972-09-22

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