JPH0119095B2 - - Google Patents

Info

Publication number
JPH0119095B2
JPH0119095B2 JP55150299A JP15029980A JPH0119095B2 JP H0119095 B2 JPH0119095 B2 JP H0119095B2 JP 55150299 A JP55150299 A JP 55150299A JP 15029980 A JP15029980 A JP 15029980A JP H0119095 B2 JPH0119095 B2 JP H0119095B2
Authority
JP
Japan
Prior art keywords
transducer
inspected
frequency magnetic
flaw detection
magnetic core
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
JP55150299A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5773672A (en
Inventor
Hiroshi Shimizu
Michio 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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP55150299A priority Critical patent/JPS5773672A/ja
Publication of JPS5773672A publication Critical patent/JPS5773672A/ja
Publication of JPH0119095B2 publication Critical patent/JPH0119095B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • G01N29/2412Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/042Wave modes
    • G01N2291/0421Longitudinal 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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP55150299A 1980-10-27 1980-10-27 Transducer for electromagnetic ultrasonic flaw detection Granted JPS5773672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55150299A JPS5773672A (en) 1980-10-27 1980-10-27 Transducer for electromagnetic ultrasonic flaw detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55150299A JPS5773672A (en) 1980-10-27 1980-10-27 Transducer for electromagnetic ultrasonic flaw detection

Publications (2)

Publication Number Publication Date
JPS5773672A JPS5773672A (en) 1982-05-08
JPH0119095B2 true JPH0119095B2 (enrdf_load_stackoverflow) 1989-04-10

Family

ID=15493963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55150299A Granted JPS5773672A (en) 1980-10-27 1980-10-27 Transducer for electromagnetic ultrasonic flaw detection

Country Status (1)

Country Link
JP (1) JPS5773672A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786672A (en) * 1972-09-20 1974-01-22 Atomic Energy Commission Two-dimensional coils for electro-magnetic generation and detection of acoustic waves
JPS5729669B2 (enrdf_load_stackoverflow) * 1973-09-07 1982-06-24

Also Published As

Publication number Publication date
JPS5773672A (en) 1982-05-08

Similar Documents

Publication Publication Date Title
US4127035A (en) Electromagnetic transducer
Ogi Field dependence of coupling efficiency between electromagnetic field and ultrasonic bulk waves
US6920792B2 (en) Transducer guided wave electromagnetic acoustic
Ogi et al. Line-focusing of ultrasonic SV wave by electromagnetic acoustic transducer
KR100561215B1 (ko) 탄성 초음파를 발생 및 측정할 수 있는 자기변형트랜스듀서와 이를 이용한 구조진단 장치
JP7414260B2 (ja) 腐食マッピングのための電磁超音波トランスデューサ(emat)
RU2298786C2 (ru) Электромагнитные акустические измерительные преобразователи
Rieger et al. Noncontact reception of ultrasound from soft magnetic mild steel with zero applied bias field EMATs
CN114441641B (zh) 一种纵波式电磁超声探头及检测方法
JPH0587780A (ja) 金属管の非破壊検査の方法と装置
JPH0119095B2 (enrdf_load_stackoverflow)
JP3673392B2 (ja) 電磁超音波探傷装置
JPS623900B2 (enrdf_load_stackoverflow)
WO2004106913A1 (en) Guided wave electromagnetic acoustic transducer
JPH0257267B2 (enrdf_load_stackoverflow)
JPH11125622A (ja) Sh波電磁超音波トランスデューサ及び計測方法
JP3504430B2 (ja) 斜角電磁超音波トランスデューサ
RU2334981C1 (ru) Электромагнитно-акустический преобразователь
JPH0113533B2 (enrdf_load_stackoverflow)
JPS6225259A (ja) 電磁超音波トランスジユ−サ
CA1189947A (en) Non-destructive, non-contact ultrasonic material testing method and apparatus
Ohtsuka et al. P2E-6 New design of electromagnetic acoustic transducer for precise determination of defect
RU2584274C1 (ru) Электромагнитно-акустический преобразователь для контроля ферромагнитных материалов
JPS6261884B2 (enrdf_load_stackoverflow)
JP2538596B2 (ja) 電磁超音波トランスジュ−サ