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
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 1998-06-29
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7660197B2 (en) * 2007-01-11 2010-02-09 Baker Hughes Incorporated System for measuring stress in downhole tubulars
US8553494B2 (en) * 2007-01-11 2013-10-08 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
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
CN116026934B (en) * 2023-01-04 2024-01-12 武汉横渠声学科技有限公司 Cross time delay array transducer for exciting bending mode guided waves

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
WO2001020303A1 (en) * 1999-09-16 2001-03-22 Wayne State University Miniaturized contactless sonic ir device for remote non-destructive inspection
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

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Legal Events

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