JPH0146028B2 - - Google Patents

Info

Publication number
JPH0146028B2
JPH0146028B2 JP57127675A JP12767582A JPH0146028B2 JP H0146028 B2 JPH0146028 B2 JP H0146028B2 JP 57127675 A JP57127675 A JP 57127675A JP 12767582 A JP12767582 A JP 12767582A JP H0146028 B2 JPH0146028 B2 JP H0146028B2
Authority
JP
Japan
Prior art keywords
test material
coil
magnetic field
coils
transmitting
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
JP57127675A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5918452A (ja
Inventor
Hisao Yamaguchi
Kazuo Fujisawa
Takashi Kadowaki
Susumu Ito
Soji Sasaki
Kazuya Sato
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
Nippon Steel Corp
Original Assignee
Hitachi Ltd
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 Hitachi Ltd, Sumitomo Metal Industries Ltd filed Critical Hitachi Ltd
Priority to JP57127675A priority Critical patent/JPS5918452A/ja
Publication of JPS5918452A publication Critical patent/JPS5918452A/ja
Publication of JPH0146028B2 publication Critical patent/JPH0146028B2/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
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • 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
    • G01N2291/0421—Longitudinal waves

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)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP57127675A 1982-07-23 1982-07-23 電磁超音波計測装置 Granted JPS5918452A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57127675A JPS5918452A (ja) 1982-07-23 1982-07-23 電磁超音波計測装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57127675A JPS5918452A (ja) 1982-07-23 1982-07-23 電磁超音波計測装置

Publications (2)

Publication Number Publication Date
JPS5918452A JPS5918452A (ja) 1984-01-30
JPH0146028B2 true JPH0146028B2 (enExample) 1989-10-05

Family

ID=14965931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57127675A Granted JPS5918452A (ja) 1982-07-23 1982-07-23 電磁超音波計測装置

Country Status (1)

Country Link
JP (1) JPS5918452A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980705A (ja) * 1982-10-28 1984-05-10 Kawasaki Steel Corp 粉、粒状鉱石のたて型炉溶融還元方法
JPS5980703A (ja) * 1982-10-28 1984-05-10 Kawasaki Steel Corp 粉、粒状鉱石のたて型炉溶融還元方法
JPS5980704A (ja) * 1982-10-28 1984-05-10 Kawasaki Steel Corp 粉、粒状鉱石のたて型炉溶融還元方法
JPS63130728A (ja) * 1986-11-21 1988-06-02 Kawasaki Steel Corp クロム鉱石ペレツトの還元方法およびペレツト
JPH03248006A (ja) * 1990-02-27 1991-11-06 Nkk Corp 電磁超音波肉厚計の信号処理方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292780A (en) * 1976-01-30 1977-08-04 Nippon Steel Corp Ultrasonic measuring apparatus
JPS52133282A (en) * 1976-05-01 1977-11-08 Nippon Steel Corp Electromagnetic induction-type ultrasonic probe

Also Published As

Publication number Publication date
JPS5918452A (ja) 1984-01-30

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