JPS57208451A - Electromagnetic type ultrasonic flaw inspector - Google Patents

Electromagnetic type ultrasonic flaw inspector

Info

Publication number
JPS57208451A
JPS57208451A JP56093047A JP9304781A JPS57208451A JP S57208451 A JPS57208451 A JP S57208451A JP 56093047 A JP56093047 A JP 56093047A JP 9304781 A JP9304781 A JP 9304781A JP S57208451 A JPS57208451 A JP S57208451A
Authority
JP
Japan
Prior art keywords
sample
coil
transmission coil
inspected
magnetic field
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
JP56093047A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6355668B2 (enrdf_load_stackoverflow
Inventor
Kazuya Sato
Jun Kubota
Soji Sasaki
Takashi Kadowaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56093047A priority Critical patent/JPS57208451A/ja
Publication of JPS57208451A publication Critical patent/JPS57208451A/ja
Publication of JPS6355668B2 publication Critical patent/JPS6355668B2/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]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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 Ultrasonic Waves (AREA)
JP56093047A 1981-06-18 1981-06-18 Electromagnetic type ultrasonic flaw inspector Granted JPS57208451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56093047A JPS57208451A (en) 1981-06-18 1981-06-18 Electromagnetic type ultrasonic flaw inspector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56093047A JPS57208451A (en) 1981-06-18 1981-06-18 Electromagnetic type ultrasonic flaw inspector

Publications (2)

Publication Number Publication Date
JPS57208451A true JPS57208451A (en) 1982-12-21
JPS6355668B2 JPS6355668B2 (enrdf_load_stackoverflow) 1988-11-04

Family

ID=14071586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56093047A Granted JPS57208451A (en) 1981-06-18 1981-06-18 Electromagnetic type ultrasonic flaw inspector

Country Status (1)

Country Link
JP (1) JPS57208451A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727321A (en) * 1985-05-03 1988-02-23 Nukem Gmbh Method and device for magnetic and ultrasonic testing of ferro-magnetic objects
US4769598A (en) * 1985-03-27 1988-09-06 Kopp Ag International Pipeline Services Apparatus for electromagnetically testing the walls of pipelines

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631637A (en) * 1979-08-24 1981-03-31 Nippon Steel Corp Instrument unit of electromagnetic ultrasonic wave

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631637A (en) * 1979-08-24 1981-03-31 Nippon Steel Corp Instrument unit of electromagnetic ultrasonic wave

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769598A (en) * 1985-03-27 1988-09-06 Kopp Ag International Pipeline Services Apparatus for electromagnetically testing the walls of pipelines
US4727321A (en) * 1985-05-03 1988-02-23 Nukem Gmbh Method and device for magnetic and ultrasonic testing of ferro-magnetic objects

Also Published As

Publication number Publication date
JPS6355668B2 (enrdf_load_stackoverflow) 1988-11-04

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