CA2964314C - Electromagnetic accoustic transducer - Google Patents

Electromagnetic accoustic transducer Download PDF

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Publication number
CA2964314C
CA2964314C CA2964314A CA2964314A CA2964314C CA 2964314 C CA2964314 C CA 2964314C CA 2964314 A CA2964314 A CA 2964314A CA 2964314 A CA2964314 A CA 2964314A CA 2964314 C CA2964314 C CA 2964314C
Authority
CA
Canada
Prior art keywords
fluxguide
face
test
magnetic field
magnet
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.)
Active
Application number
CA2964314A
Other languages
English (en)
French (fr)
Other versions
CA2964314A1 (en
Inventor
Frederic Bert Cegla
Julio Agustin Isla GARCIA
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.)
Permasense Ltd
Original Assignee
Permasense 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 Permasense Ltd filed Critical Permasense Ltd
Publication of CA2964314A1 publication Critical patent/CA2964314A1/en
Application granted granted Critical
Publication of CA2964314C publication Critical patent/CA2964314C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
    • 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
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA2964314A 2014-10-29 2015-10-22 Electromagnetic accoustic transducer Active CA2964314C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB1419219.9A GB201419219D0 (en) 2014-10-29 2014-10-29 Electromagnetic accoustic transducer
GB1419219.9 2014-10-29
GB1507388.5A GB2531835A (en) 2014-10-29 2015-04-30 Electromagnetic accoustic transducer
GB1507388.5 2015-04-30
PCT/GB2015/053161 WO2016066997A1 (en) 2014-10-29 2015-10-22 Electromagnetic acoustic transducer

Publications (2)

Publication Number Publication Date
CA2964314A1 CA2964314A1 (en) 2016-05-06
CA2964314C true CA2964314C (en) 2022-12-06

Family

ID=52103559

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2964314A Active CA2964314C (en) 2014-10-29 2015-10-22 Electromagnetic accoustic transducer

Country Status (17)

Country Link
US (1) US10537916B2 (OSRAM)
EP (1) EP3213063B1 (OSRAM)
JP (1) JP6603323B2 (OSRAM)
KR (1) KR101962608B1 (OSRAM)
CN (1) CN107206424B (OSRAM)
AU (1) AU2015340346B2 (OSRAM)
BR (1) BR112017008819B1 (OSRAM)
CA (1) CA2964314C (OSRAM)
EA (1) EA033234B1 (OSRAM)
ES (1) ES2750628T3 (OSRAM)
GB (2) GB201419219D0 (OSRAM)
HU (1) HUE046903T2 (OSRAM)
MX (1) MX375857B (OSRAM)
PL (1) PL3213063T3 (OSRAM)
SA (1) SA517381426B1 (OSRAM)
SG (1) SG11201703043SA (OSRAM)
WO (1) WO2016066997A1 (OSRAM)

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CN107774552A (zh) * 2016-08-24 2018-03-09 哈尔滨零声科技有限公司 一种多磁铁结构的电磁超声换能器
EP3589941B1 (en) * 2017-03-02 2025-04-23 Quest Integrity USA, LLC Electromagnetic acoustic transducer (emat) for corrosion mapping
WO2019073179A1 (fr) * 2017-10-12 2019-04-18 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif et procédé de détection de défauts d'une structure
US11692975B2 (en) 2018-01-19 2023-07-04 Itrobotics, Inc. Systems and methods for generating ultrasonic waves, exciting special classes of ultrasonic transducers and ultrasonic devices for engineering measurements
CN108692683A (zh) * 2018-04-13 2018-10-23 沈阳工业大学 圆形管道外检测电磁超声测厚换能器结构
CN108534721B (zh) * 2018-04-13 2020-10-23 沈阳工业大学 方形管道外检测电磁超声测厚换能器结构
CN108535365B (zh) * 2018-04-13 2020-10-23 沈阳工业大学 方形管道外检测电磁超声探伤换能器结构
CN108508089A (zh) * 2018-04-13 2018-09-07 沈阳工业大学 圆形管道外检测电磁超声探伤换能器结构
CN108917805B (zh) 2018-08-08 2019-11-26 苏州博昇科技有限公司 电磁超声波双波换能器
CN109870386B (zh) * 2019-04-03 2024-06-07 浙江省工程物探勘察设计院有限公司 岩土勘察试验样品密度测试系统
JP7387105B2 (ja) * 2019-08-06 2023-11-28 国立大学法人東北大学 電磁超音波探触子
CN110639784B (zh) * 2019-09-20 2020-12-29 陕西师范大学 低频窄波束换能器及换能方法与应用
CN112050981B (zh) * 2020-08-11 2021-05-11 大连理工大学 一种结构一体式电磁超声横纵波应力测量方法
CN113866265A (zh) * 2021-08-20 2021-12-31 北京工业大学 一种电磁铁式横波电磁声换能器
GB2628384A (en) 2023-03-22 2024-09-25 Permasense Ltd Ultrasonic non-destructive testing

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JPS5286388A (en) * 1976-01-13 1977-07-18 Nippon Steel Corp Method of detecting flaw by supersonic waves
JPS5621058A (en) * 1979-07-30 1981-02-27 Nippon Kokan Kk <Nkk> Transducer for electromagnetic supersonic wave flaw detection
JPS5631637A (en) * 1979-08-24 1981-03-31 Nippon Steel Corp Instrument unit of electromagnetic ultrasonic wave
DE3275315D1 (en) * 1981-06-10 1987-03-05 Hitachi Ltd Electromagnetic-acoustic measuring apparatus
JPS5841347A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 溶接部検出装置
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JPS5995453A (ja) * 1982-11-24 1984-06-01 Mitsubishi Heavy Ind Ltd 電磁超音波トランスデユ−サ
US4523473A (en) * 1983-08-08 1985-06-18 The Charles Stark Draper Laboratory, Inc. Magneto-elastic material defect detector
DE3401072C2 (de) * 1984-01-13 1986-04-10 Nukem Gmbh, 6450 Hanau Elektrodynamischer Wandlerkopf
DE3413787A1 (de) * 1984-04-12 1985-10-17 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur pruefung von elektrisch leitenden gegenstaenden mittels ultraschall
JPS6175259A (ja) * 1984-09-19 1986-04-17 Toshiba Corp 電磁超音波トランスジユ−サ
JPS6256857A (ja) * 1985-09-05 1987-03-12 Hiroshi Shimizu 高周波磁心を用いた横波用電磁超音波トランスジユ−サ
US4638830A (en) * 1985-09-27 1987-01-27 Rosemount Inc. High sensitivity magnetic actuator
JPS62277555A (ja) 1986-05-27 1987-12-02 Mitsubishi Electric Corp 電磁超音波探触子
DE4011686C1 (OSRAM) * 1990-04-06 1991-07-11 Mannesmann Ag, 4000 Duesseldorf, De
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US5608691A (en) * 1994-05-31 1997-03-04 The Babcock & Wilcox Company EMAT with integral electrostatic shield
US5608164A (en) * 1995-07-27 1997-03-04 The Babcock & Wilcox Company Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containers
JPH09281088A (ja) 1996-04-17 1997-10-31 Nippon Steel Corp 電磁超音波検査装置及び電磁超音波検査方法
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DE102004053584B4 (de) * 2004-11-05 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Materialprüfung und/oder Dickenmessung an einem wenigstens elektrisch leitende und ferromagnetische Materialanteile aufweisenden Prüfobjekt
CN2816822Y (zh) * 2005-07-14 2006-09-13 中国舰船研究设计中心 金属壳体面电流测试装置
JP5038306B2 (ja) 2005-07-27 2012-10-03 オブシェストボ エス オグラニチェンノイ オトベツトベンノスチュ“ノルディンクラフト サンクト−ペテルブルグ” 電磁音響変換器
US7426867B2 (en) * 2005-09-30 2008-09-23 General Electric Company Electromagnetic acoustic transducers for use in ultrasound inspection systems
JP6256857B2 (ja) * 2013-11-05 2018-01-10 日本電気硝子株式会社 近赤外線吸収ガラス

Also Published As

Publication number Publication date
JP6603323B2 (ja) 2019-11-06
SG11201703043SA (en) 2017-05-30
EP3213063A1 (en) 2017-09-06
SA517381426B1 (ar) 2020-10-20
JP2017534066A (ja) 2017-11-16
CN107206424A (zh) 2017-09-26
HUE046903T2 (hu) 2020-03-30
GB201507388D0 (en) 2015-06-17
EA201790815A1 (ru) 2017-10-31
AU2015340346B2 (en) 2020-10-01
MX375857B (es) 2025-03-07
BR112017008819B1 (pt) 2021-03-30
ES2750628T3 (es) 2020-03-26
CA2964314A1 (en) 2016-05-06
EP3213063B1 (en) 2019-09-11
US20170333946A1 (en) 2017-11-23
US10537916B2 (en) 2020-01-21
PL3213063T3 (pl) 2020-01-31
GB201419219D0 (en) 2014-12-10
WO2016066997A1 (en) 2016-05-06
KR101962608B1 (ko) 2019-03-27
KR20170070166A (ko) 2017-06-21
MX2017005428A (es) 2017-08-28
GB2531835A (en) 2016-05-04
BR112017008819A2 (pt) 2018-03-27
CN107206424B (zh) 2020-03-06
EA033234B1 (ru) 2019-09-30
AU2015340346A1 (en) 2017-04-27

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Effective date: 20200623

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