JPS55129749A - Sensitivity correction method for electromagnetic ultrasonic wave probe - Google Patents

Sensitivity correction method for electromagnetic ultrasonic wave probe

Info

Publication number
JPS55129749A
JPS55129749A JP3755379A JP3755379A JPS55129749A JP S55129749 A JPS55129749 A JP S55129749A JP 3755379 A JP3755379 A JP 3755379A JP 3755379 A JP3755379 A JP 3755379A JP S55129749 A JPS55129749 A JP S55129749A
Authority
JP
Japan
Prior art keywords
lift
sensitivity
ultrasonic wave
resonant frequency
electromagnetic ultrasonic
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.)
Granted
Application number
JP3755379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6128300B2 (ref
Inventor
Hisao Yamaguchi
Kazuo Fujisawa
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP3755379A priority Critical patent/JPS55129749A/ja
Priority to US06/104,462 priority patent/US4292849A/en
Priority to GB8000031A priority patent/GB2045932B/en
Priority to FR8005670A priority patent/FR2452710A1/fr
Priority to DE3012187A priority patent/DE3012187C2/de
Publication of JPS55129749A publication Critical patent/JPS55129749A/ja
Publication of JPS6128300B2 publication Critical patent/JPS6128300B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP3755379A 1979-03-28 1979-03-28 Sensitivity correction method for electromagnetic ultrasonic wave probe Granted JPS55129749A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3755379A JPS55129749A (en) 1979-03-28 1979-03-28 Sensitivity correction method for electromagnetic ultrasonic wave probe
US06/104,462 US4292849A (en) 1979-03-28 1979-12-17 Method for correcting the sensitivity of an electromagnetic ultrasonic probe
GB8000031A GB2045932B (en) 1979-03-28 1980-01-02 Method for correcting sensitivity of electromagnetic ultrasonic probe
FR8005670A FR2452710A1 (fr) 1979-03-28 1980-03-13 Procede pour corriger la sensibilite d'une sonde electromagnetique a ultra-sons
DE3012187A DE3012187C2 (de) 1979-03-28 1980-03-28 Einrichtung zur Korrektur der Empfangsempfindlichkeit einer elektromagnetischen Ultraschall-Sonde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3755379A JPS55129749A (en) 1979-03-28 1979-03-28 Sensitivity correction method for electromagnetic ultrasonic wave probe

Publications (2)

Publication Number Publication Date
JPS55129749A true JPS55129749A (en) 1980-10-07
JPS6128300B2 JPS6128300B2 (ref) 1986-06-30

Family

ID=12500704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3755379A Granted JPS55129749A (en) 1979-03-28 1979-03-28 Sensitivity correction method for electromagnetic ultrasonic wave probe

Country Status (5)

Country Link
US (1) US4292849A (ref)
JP (1) JPS55129749A (ref)
DE (1) DE3012187C2 (ref)
FR (1) FR2452710A1 (ref)
GB (1) GB2045932B (ref)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752856A (en) * 1980-09-16 1982-03-29 Hitachi Ltd Electromagnetic ultrasonic flaw detecting device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7908205A (nl) * 1979-11-08 1981-06-01 Estel Hoogovens Bv Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek.
DE3128825C2 (de) * 1981-07-21 1985-04-18 Nukem Gmbh, 6450 Hanau Vorrichtung zur zerstörungsfreien Prüfung von ferromagnetischen Materialien
DE59510950D1 (de) * 1994-04-14 2004-11-11 Fraunhofer Ges Forschung Vorrichtung und Verfahren zur Erfassung der Prüfkopfabhebung bei der zerstörungsfreien Untersuchung von metallischen Werkstoffen mit elektromagnetischen Ultraschallwandlern
US20090183350A1 (en) * 2008-01-17 2009-07-23 Wetsco, Inc. Method for Ultrasound Probe Repair

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1318346A (en) * 1969-09-12 1973-05-31 Owston C N High-frequency eddy-current non-destructuve testing apparatus
US3786672A (en) * 1972-09-20 1974-01-22 Atomic Energy Commission Two-dimensional coils for electro-magnetic generation and detection of acoustic waves
GB1475517A (en) * 1974-06-27 1977-06-01 British Steel Corp Detection of surface defects in elongate metallic members
FR2377039A1 (fr) * 1977-01-07 1978-08-04 Ti Group Services Ltd Dispositif electromagnetique de production et de detection d'ondes ultrasonores pour controler des materiaux conducteurs de l'electricite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752856A (en) * 1980-09-16 1982-03-29 Hitachi Ltd Electromagnetic ultrasonic flaw detecting device

Also Published As

Publication number Publication date
FR2452710B1 (ref) 1983-08-26
FR2452710A1 (fr) 1980-10-24
US4292849A (en) 1981-10-06
DE3012187C2 (de) 1984-02-23
DE3012187A1 (de) 1980-10-02
GB2045932A (en) 1980-11-05
JPS6128300B2 (ref) 1986-06-30
GB2045932B (en) 1983-05-11

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