JPH0142375B2 - - Google Patents

Info

Publication number
JPH0142375B2
JPH0142375B2 JP57015075A JP1507582A JPH0142375B2 JP H0142375 B2 JPH0142375 B2 JP H0142375B2 JP 57015075 A JP57015075 A JP 57015075A JP 1507582 A JP1507582 A JP 1507582A JP H0142375 B2 JPH0142375 B2 JP H0142375B2
Authority
JP
Japan
Prior art keywords
emat
coil
receiver
transmitter
excitation current
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.)
Expired
Application number
JP57015075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58132657A (ja
Inventor
Kazuo Morimoto
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 JP57015075A priority Critical patent/JPS58132657A/ja
Publication of JPS58132657A publication Critical patent/JPS58132657A/ja
Publication of JPH0142375B2 publication Critical patent/JPH0142375B2/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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever

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)
JP57015075A 1982-02-02 1982-02-02 細管用電磁超音波探傷装置 Granted JPS58132657A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57015075A JPS58132657A (ja) 1982-02-02 1982-02-02 細管用電磁超音波探傷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57015075A JPS58132657A (ja) 1982-02-02 1982-02-02 細管用電磁超音波探傷装置

Publications (2)

Publication Number Publication Date
JPS58132657A JPS58132657A (ja) 1983-08-08
JPH0142375B2 true JPH0142375B2 (en]) 1989-09-12

Family

ID=11878728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57015075A Granted JPS58132657A (ja) 1982-02-02 1982-02-02 細管用電磁超音波探傷装置

Country Status (1)

Country Link
JP (1) JPS58132657A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61133857A (ja) * 1984-12-05 1986-06-21 Nippon Telegr & Teleph Corp <Ntt> 地下管路腐食診断方法及びその装置
DE3446336A1 (de) * 1984-12-14 1986-06-26 Mannesmann AG, 4000 Düsseldorf Elektrodynamischer wandler zur erzeugung von ultraschallwellen
CN104034802B (zh) * 2014-06-03 2016-04-27 艾因蒂克检测科技（上海）有限公司 一种提升面阵探头分辨率的检测方法
CN105092701B (zh) * 2015-07-24 2018-09-11 广州丰谱信息技术有限公司 基于机电混合调频聚能照射的电磁超声探测系统与方法

Also Published As

Publication number Publication date
JPS58132657A (ja) 1983-08-08

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