AU2003239415A1 - Guided wave electromagnetic acoustic transducer - Google Patents

Guided wave electromagnetic acoustic transducer

Info

Publication number
AU2003239415A1
AU2003239415A1 AU2003239415A AU2003239415A AU2003239415A1 AU 2003239415 A1 AU2003239415 A1 AU 2003239415A1 AU 2003239415 A AU2003239415 A AU 2003239415A AU 2003239415 A AU2003239415 A AU 2003239415A AU 2003239415 A1 AU2003239415 A1 AU 2003239415A1
Authority
AU
Australia
Prior art keywords
acoustic transducer
guided wave
wave electromagnetic
electromagnetic acoustic
transducer
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.)
Abandoned
Application number
AU2003239415A
Inventor
Charles M. Fields
Daniel P. Grier
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.)
FLOVA JOHN H
Original Assignee
FLOVA JOHN H
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 FLOVA JOHN H filed Critical FLOVA JOHN H
Publication of AU2003239415A1 publication Critical patent/AU2003239415A1/en
Abandoned 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
    • 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
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan
    • 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • 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
    • 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
    • G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
    • 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
    • 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
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • 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
    • G01N2291/26—Scanned objects
    • G01N2291/262—Linear objects
    • G01N2291/2626—Wires, bars, rods
    • 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
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
AU2003239415A 2003-05-06 2003-05-09 Guided wave electromagnetic acoustic transducer Abandoned AU2003239415A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USNOTGIVEN 2001-07-05
PCT/US2003/014814 WO2004106913A1 (en) 2003-05-09 2003-05-09 Guided wave electromagnetic acoustic transducer

Publications (1)

Publication Number Publication Date
AU2003239415A1 true AU2003239415A1 (en) 2005-01-21

Family

ID=33488750

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003239415A Abandoned AU2003239415A1 (en) 2003-05-06 2003-05-09 Guided wave electromagnetic acoustic transducer

Country Status (2)

Country Link
AU (1) AU2003239415A1 (en)
WO (1) WO2004106913A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8553494B2 (en) 2007-01-11 2013-10-08 Baker Hughes Incorporated System for measuring stress in downhole tubulars
US7660197B2 (en) * 2007-01-11 2010-02-09 Baker Hughes Incorporated System for measuring stress in downhole tubulars
AT508478B1 (en) 2009-06-26 2012-01-15 Tdw Delaware Inc SENSORARRAY FOR THE INSPECTION OF THE INTERNAL WALL OF A TUBE
CN104155366A (en) * 2014-08-06 2014-11-19 乌鲁木齐霞明创新电子科技有限公司 Ultrasonic non-destructive pipeline detection device
CN108426948A (en) * 2018-05-14 2018-08-21 南京航空航天大学 A kind of electromagnet ultrasonic changer and its working method of the single mode Lamb wave of excitation
CN110672718B (en) * 2019-07-08 2022-05-24 南昌航空大学 Electromagnetic ultrasonic point focusing/diverging surface wave method and device for steel rail tread detection
CN111380963B (en) * 2020-05-13 2024-11-12 桂林电子科技大学 An omnidirectional SH wave electromagnetic ultrasonic transducer without permanent magnet and its design method
CN113325087A (en) * 2021-04-19 2021-08-31 中国石油天然气集团有限公司 Electromagnetic ultrasonic detection method for non-delamination defect and surface defect of plate
CN115979453B (en) * 2022-12-28 2026-03-20 广西电网有限责任公司南宁供电局 A surface acoustic wave sensor for monitoring high-voltage GIS equipment and its application method
CN116026934B (en) * 2023-01-04 2024-01-12 武汉横渠声学科技有限公司 A cross-delay array transducer for exciting bending mode guided waves
CN119492801B (en) * 2024-11-29 2025-10-03 北京交通大学 Axle defect detection guided wave transducer and axle defect detection device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9323482D0 (en) * 1993-11-13 1994-01-05 Palmer Stuart B Electromagnetic acoustic transducers
US6109108A (en) * 1995-12-13 2000-08-29 Ebara Corporation Electromagnetic acoustic transducer EMAT and inspection system with EMAR
US5866820A (en) * 1996-09-20 1999-02-02 Camplin; Kenneth R. Coil volumetric and surface defect detection system
US5808202A (en) * 1997-04-04 1998-09-15 Passarelli, Jr.; Frank Electromagnetic acoustic transducer flaw detection apparatus
US5907100A (en) * 1997-06-30 1999-05-25 Gas Research Institute Method and system for detecting and displaying defects in piping
US6070467A (en) * 1997-10-17 2000-06-06 Gas Research Institute Electromagnetic acoustic transducer (EMAT) system and method for eliminating noise produced by static discharge
US6125703A (en) * 1998-06-26 2000-10-03 Mcdermott Technology, Inc. Detection of corrosion fatigue in boiler tubes using a spike EMAT pulser
US6164137A (en) * 1999-02-03 2000-12-26 Mcdermott Technology, Inc. Electromagnetic acoustic transducer (EMAT) inspection of tubes for surface defects
US6373245B1 (en) * 1999-03-17 2002-04-16 Southwest Research Institute Method for inspecting electric resistance welds using magnetostrictive sensors
US6404189B2 (en) * 1999-03-17 2002-06-11 Southeast Research Institute Method and apparatus for inspecting pipelines from an in-line inspection vehicle using magnetostrictive probes
DE60016939T2 (en) * 1999-09-16 2005-12-15 Wayne State University, Detroit MINIATURIZED TOUCH-FREE SOUND / INFRARED DEVICE FOR DESTRUCTIVE TESTING
US6282964B1 (en) * 1999-09-17 2001-09-04 The Babcock & Wilcox Co Electromagnetic acoustic transducer (EMAT) inspection of cracks in boiler tubes
US6561035B2 (en) * 2000-11-15 2003-05-13 Frank Passarelli, Jr. Electromagnetic acoustic transducer with recessed coils

Also Published As

Publication number Publication date
WO2004106913A1 (en) 2004-12-09

Similar Documents

Publication Publication Date Title
AU2002326359A1 (en) Ultrasonic transducers
AUPR507601A0 (en) Surface acoustic wave sensor
EP1699360A4 (en) Component ultrasound transducer
AU2002326474A1 (en) Acoustic wave filter
AU2002255848A1 (en) Guided acoustic wave inspection system
AU2002322938A1 (en) Electromagnetic piezoelectric acoustic sensor
AU2003241810A1 (en) Surface acoustic wave device
AU2003229963A1 (en) Transducer
AU2003280172A1 (en) Miniaturized ultrasonic transducer
AU2003278436A1 (en) Circuitry for cleaning with sound waves
EP1854210B8 (en) High-frequency acoustic wave device
GB2420410B (en) Acoustic transducer
AU2002334361A1 (en) Acoustic wave device
GB2419947B (en) Acoustic Transducer
GB0216984D0 (en) Surface acoustic wave
AU2003239415A1 (en) Guided wave electromagnetic acoustic transducer
AU2002951421A0 (en) Constant directivity acoustic horn
EP1643913A4 (en) Torsional acoustic wave sensor
AU2003300145A1 (en) Underwater wave/energy transducer
GB0107071D0 (en) An acoustic transducer assembly
AU2003207197A1 (en) Surface acoustic wave device
AU2002332247A1 (en) Electroacoustic transducer
GB2377847B (en) Underwater acoustic transducer
AU2003900260A0 (en) Ultrasonic transducer device
AUPR511401A0 (en) Surface acoustic wave device

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase