DE2944819C2 - - Google Patents

Info

Publication number
DE2944819C2
DE2944819C2 DE19792944819 DE2944819A DE2944819C2 DE 2944819 C2 DE2944819 C2 DE 2944819C2 DE 19792944819 DE19792944819 DE 19792944819 DE 2944819 A DE2944819 A DE 2944819A DE 2944819 C2 DE2944819 C2 DE 2944819C2
Authority
DE
Germany
Prior art keywords
core
composite material
ultrasound
electromagnet
magnetic
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
DE19792944819
Other languages
German (de)
English (en)
Other versions
DE2944819A1 (de
Inventor
Thomas Nykoeping Se Robinson
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.)
Studsvik Energiteknik AB
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
Publication of DE2944819A1 publication Critical patent/DE2944819A1/de
Application granted granted Critical
Publication of DE2944819C2 publication Critical patent/DE2944819C2/de
Granted 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force

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)
DE19792944819 1978-11-07 1979-11-06 Verfahren und vorrichtung zum einleiten von ultraschall in elektrisch leitfaehiges material Granted DE2944819A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7811512A SE445616B (sv) 1978-11-07 1978-11-07 Forfarande att introducera elektromagnetiskt ultraljud i elektriskt ledande material vid oforstorande provning samt anordning for utforande av forfarandet

Publications (2)

Publication Number Publication Date
DE2944819A1 DE2944819A1 (de) 1980-05-14
DE2944819C2 true DE2944819C2 (xx) 1988-11-10

Family

ID=20336288

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792944819 Granted DE2944819A1 (de) 1978-11-07 1979-11-06 Verfahren und vorrichtung zum einleiten von ultraschall in elektrisch leitfaehiges material

Country Status (3)

Country Link
DE (1) DE2944819A1 (xx)
GB (1) GB2040584B (xx)
SE (1) SE445616B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123935C2 (de) * 1981-06-16 1985-03-28 Nukem Gmbh, 6450 Hanau Elektrodynamischer Wandler
DE4011686C1 (xx) * 1990-04-06 1991-07-11 Mannesmann Ag, 4000 Duesseldorf, De
DE4035592C1 (xx) * 1990-11-06 1992-04-16 Mannesmann Ag, 4000 Duesseldorf, De
DE4130935A1 (de) * 1991-09-13 1993-03-25 Mannesmann Ag Verfahren und vorrichtung zum pruefen ferromagnetischer werkstuecke mittels ultraschallwellen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933536A (en) * 1972-11-03 1976-01-20 General Electric Company Method of making magnets by polymer-coating magnetic powder
DE2657957C2 (de) * 1976-12-21 1986-01-02 T.I. (Group Services) Ltd., Edgbaston, Birmingham Vorrichtung zur Ultraschallprüfung von Werkstücken

Also Published As

Publication number Publication date
DE2944819A1 (de) 1980-05-14
GB2040584B (en) 1983-05-25
SE7811512L (sv) 1980-05-08
SE445616B (sv) 1986-07-07
GB2040584A (en) 1980-08-28

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition