SE445017B - Forfarande och anordning for sendning och mottagning av elektromagnetiskt alstrade pulser av ultraljud vid oforstorande provning av elektriskt ledande material - Google Patents

Forfarande och anordning for sendning och mottagning av elektromagnetiskt alstrade pulser av ultraljud vid oforstorande provning av elektriskt ledande material

Info

Publication number
SE445017B
SE445017B SE7811513A SE7811513A SE445017B SE 445017 B SE445017 B SE 445017B SE 7811513 A SE7811513 A SE 7811513A SE 7811513 A SE7811513 A SE 7811513A SE 445017 B SE445017 B SE 445017B
Authority
SE
Sweden
Prior art keywords
pulse
pulses
series
pulse generator
magnetic field
Prior art date
Application number
SE7811513A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811513L (sv
Inventor
J Spijkerman
Original Assignee
Studsvik Energiteknik Ab
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 Studsvik Energiteknik Ab filed Critical Studsvik Energiteknik Ab
Priority to SE7811513A priority Critical patent/SE445017B/sv
Priority to US06/089,983 priority patent/US4314479A/en
Priority to DE19792944820 priority patent/DE2944820A1/de
Priority to GB7938403A priority patent/GB2036971B/en
Priority to JP14425879A priority patent/JPS55109961A/ja
Publication of SE7811513L publication Critical patent/SE7811513L/
Publication of SE445017B publication Critical patent/SE445017B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • 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
    • G01N29/228—Details, e.g. general constructional or apparatus details related to high temperature conditions
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/346—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with amplitude characteristics, e.g. modulated signal
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • 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
    • G01N2291/023—Solids
    • G01N2291/0234—Metals, e.g. steel
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (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)
SE7811513A 1978-11-07 1978-11-07 Forfarande och anordning for sendning och mottagning av elektromagnetiskt alstrade pulser av ultraljud vid oforstorande provning av elektriskt ledande material SE445017B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE7811513A SE445017B (sv) 1978-11-07 1978-11-07 Forfarande och anordning for sendning och mottagning av elektromagnetiskt alstrade pulser av ultraljud vid oforstorande provning av elektriskt ledande material
US06/089,983 US4314479A (en) 1978-11-07 1979-10-31 Method and apparatus for transmitting and receiving electromagnetically generated and received ultrasonic pulses
DE19792944820 DE2944820A1 (de) 1978-11-07 1979-11-06 Verfahren und vorrichtung zum senden und empfangen von ultraschall
GB7938403A GB2036971B (en) 1978-11-07 1979-11-06 Electromagnetically generating and receiving ultrasonic pulses
JP14425879A JPS55109961A (en) 1978-11-07 1979-11-07 Method of and apparatus for receiving and transmitting ultrasonic wave pulse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7811513A SE445017B (sv) 1978-11-07 1978-11-07 Forfarande och anordning for sendning och mottagning av elektromagnetiskt alstrade pulser av ultraljud vid oforstorande provning av elektriskt ledande material

Publications (2)

Publication Number Publication Date
SE7811513L SE7811513L (sv) 1980-05-08
SE445017B true SE445017B (sv) 1986-05-26

Family

ID=20336289

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811513A SE445017B (sv) 1978-11-07 1978-11-07 Forfarande och anordning for sendning och mottagning av elektromagnetiskt alstrade pulser av ultraljud vid oforstorande provning av elektriskt ledande material

Country Status (5)

Country Link
US (1) US4314479A (de)
JP (1) JPS55109961A (de)
DE (1) DE2944820A1 (de)
GB (1) GB2036971B (de)
SE (1) SE445017B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE438738B (sv) * 1980-04-18 1985-04-29 Studsvik Energiteknik Ab Forfarande och anordning vid sendning och mottagning av elektromagnetiskt ultraljud
US4578999A (en) * 1982-02-10 1986-04-01 Mannesmann A.G. Instrument for testing materials
US4466287A (en) * 1982-11-04 1984-08-21 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Non-destructive, non-contact ultrasonic material
GB8420244D0 (en) * 1984-08-09 1984-09-12 Shell Int Research Transducing device
DE4124103C1 (de) * 1991-07-18 1992-07-02 Mannesmann Ag, 4000 Duesseldorf, De
US5392652A (en) * 1992-04-07 1995-02-28 Lambert, Macgill, Thomas, Inc. Method and apparatus for inspection of metal objects utilizing variable angle ultrasonic transducer
US5619423A (en) * 1994-01-21 1997-04-08 Scrantz; Leonard System, method and apparatus for the ultrasonic inspection of liquid filled tubulars and vessels
CA2169307C (en) * 1994-12-12 2003-10-14 David A. Hutchins Non-contact characterization and inspection of materials using wideband air coupled ultrasound
JPH08334431A (ja) * 1995-06-09 1996-12-17 Mitsubishi Electric Corp 非破壊検査装置
US20050212530A1 (en) * 2004-03-24 2005-09-29 Hall David R Method and Apparatus for Testing Electromagnetic Connectivity in a Drill String
US7938011B1 (en) * 2008-05-30 2011-05-10 Lockheed Martin Corporation High shock test apparatus
DE102013219239A1 (de) * 2013-09-25 2015-03-26 Robert Bosch Gmbh Verfahren, Vorrichtung und System zum Ermitteln einer Position eines Fahrzeugs
DE102018109049A1 (de) * 2018-04-17 2019-10-17 Innogy Se Überprüfung von Blitzableitern für Windenergieanlagen
JP2020169965A (ja) * 2019-04-05 2020-10-15 株式会社Ｉｆｇ 多連発パルス電磁力音響診断装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5318849B2 (de) * 1971-10-18 1978-06-17
DE2643601C3 (de) * 1976-09-28 1979-03-08 Hoesch Werke Ag, 4600 Dortmund Verfahren zur zerstörungsfreien Werkstoffprüfung mit Ultraschall unter Verwendung eines elektrodynamischen Schallwandlers

Also Published As

Publication number Publication date
JPS55109961A (en) 1980-08-23
GB2036971A (en) 1980-07-02
GB2036971B (en) 1983-04-13
DE2944820C2 (de) 1991-06-13
JPS6245498B2 (de) 1987-09-28
DE2944820A1 (de) 1980-05-14
US4314479A (en) 1982-02-09
SE7811513L (sv) 1980-05-08

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