JPS5958358A - 電磁音響トランスデユ−サ - Google Patents

電磁音響トランスデユ−サ

Info

Publication number
JPS5958358A
JPS5958358A JP16923282A JP16923282A JPS5958358A JP S5958358 A JPS5958358 A JP S5958358A JP 16923282 A JP16923282 A JP 16923282A JP 16923282 A JP16923282 A JP 16923282A JP S5958358 A JPS5958358 A JP S5958358A
Authority
JP
Japan
Prior art keywords
magnet
high frequency
frequency current
coil
wound
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
JP16923282A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0215018B2 (enrdf_load_stackoverflow
Inventor
Kazuo Morimoto
森本　一夫
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP16923282A priority Critical patent/JPS5958358A/ja
Publication of JPS5958358A publication Critical patent/JPS5958358A/ja
Publication of JPH0215018B2 publication Critical patent/JPH0215018B2/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP16923282A 1982-09-28 1982-09-28 電磁音響トランスデユ−サ Granted JPS5958358A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16923282A JPS5958358A (ja) 1982-09-28 1982-09-28 電磁音響トランスデユ−サ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16923282A JPS5958358A (ja) 1982-09-28 1982-09-28 電磁音響トランスデユ−サ

Publications (2)

Publication Number Publication Date
JPS5958358A true JPS5958358A (ja) 1984-04-04
JPH0215018B2 JPH0215018B2 (enrdf_load_stackoverflow) 1990-04-10

Family

ID=15882676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16923282A Granted JPS5958358A (ja) 1982-09-28 1982-09-28 電磁音響トランスデユ−サ

Country Status (1)

Country Link
JP (1) JPS5958358A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267447A (ja) * 1985-09-20 1987-03-27 Mitsubishi Heavy Ind Ltd チユ−ブ軸方向欠陥検出方法およびその装置
GB2471387A (en) * 2009-06-26 2010-12-29 Tdw Delaware Inc Pipeline inspection tool with oblique magnetizer
CN101936949A (zh) * 2009-06-26 2011-01-05 Tdw达拉威公司 具有双螺旋电磁声换能器传感器阵列的管线检查工具
US8319494B2 (en) 2009-06-26 2012-11-27 Tdw Delaware Inc. Pipeline inspection tool with double spiral EMAT sensor array

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267447A (ja) * 1985-09-20 1987-03-27 Mitsubishi Heavy Ind Ltd チユ−ブ軸方向欠陥検出方法およびその装置
GB2471387A (en) * 2009-06-26 2010-12-29 Tdw Delaware Inc Pipeline inspection tool with oblique magnetizer
CN101936949A (zh) * 2009-06-26 2011-01-05 Tdw达拉威公司 具有双螺旋电磁声换能器传感器阵列的管线检查工具
US8319494B2 (en) 2009-06-26 2012-11-27 Tdw Delaware Inc. Pipeline inspection tool with double spiral EMAT sensor array
US8653811B2 (en) 2009-06-26 2014-02-18 Tdw Delaware Inc. Pipeline inspection tool with oblique magnetizer
GB2471387B (en) * 2009-06-26 2014-02-19 Tdw Delaware Inc Pipeline inspection tool with oblique magnetizer

Also Published As

Publication number Publication date
JPH0215018B2 (enrdf_load_stackoverflow) 1990-04-10

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