BE861199A - Dispositif pour le controle de materiaux - Google Patents

Dispositif pour le controle de materiaux

Info

Publication number
BE861199A
BE861199A BE182921A BE182921A BE861199A BE 861199 A BE861199 A BE 861199A BE 182921 A BE182921 A BE 182921A BE 182921 A BE182921 A BE 182921A BE 861199 A BE861199 A BE 861199A
Authority
BE
Belgium
Prior art keywords
controlling materials
controlling
materials
Prior art date
Application number
BE182921A
Other languages
English (en)
Original Assignee
Hoesch Werke Ag
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 Hoesch Werke Ag filed Critical Hoesch Werke Ag
Publication of BE861199A publication Critical patent/BE861199A/fr

Links

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
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • General Induction Heating (AREA)
BE182921A 1976-11-27 1977-11-25 Dispositif pour le controle de materiaux BE861199A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2653923A DE2653923C3 (de) 1976-11-27 1976-11-27 Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen Wandler

Publications (1)

Publication Number Publication Date
BE861199A true BE861199A (fr) 1978-05-25

Family

ID=5994106

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182921A BE861199A (fr) 1976-11-27 1977-11-25 Dispositif pour le controle de materiaux

Country Status (9)

Country Link
US (1) US4149421A (fr)
AT (1) AT379022B (fr)
BE (1) BE861199A (fr)
DE (1) DE2653923C3 (fr)
FR (1) FR2372431A1 (fr)
GB (1) GB1586604A (fr)
IT (1) IT1090200B (fr)
LU (1) LU78581A1 (fr)
NL (1) NL175670C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218924A (en) * 1979-07-02 1980-08-26 Rockwell International Corporation Ultrasonic ellipsometer
US4449408A (en) * 1982-04-22 1984-05-22 Magnetic Analysis Corporation EMAT Test apparatus having retractable probe
US5608691A (en) * 1994-05-31 1997-03-04 The Babcock & Wilcox Company EMAT with integral electrostatic shield
US5436873A (en) * 1994-05-31 1995-07-25 The Babcock & Wilcox Company Electrostatic shield for electromagnetic acoustic transducer noise rejection
US5689070A (en) * 1995-07-24 1997-11-18 The Babcock & Wilcox Company High temperature electromagnetic acoustic transducer (EMAT) probe and coil assemblies
EP0909397B1 (fr) 1996-07-03 2001-10-10 THE GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES Systeme et procede d'imagerie par effet hall a ultrasons
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
US6192760B1 (en) 1999-08-19 2001-02-27 Mcdermott Technology, Inc. EMAT transmit/receive switch
GB0314357D0 (en) * 2003-06-19 2003-07-23 Pii Ltd Electromagnetic acoustic transducer
US7546770B2 (en) * 2006-01-05 2009-06-16 General Electric Company Electromagnetic acoustic transducer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1415765A (fr) * 1964-09-17 1965-10-29 Siderurgie Fse Inst Rech Traducteur ultrasonore pour le sondage de produits de dimensions très différentes
US3583213A (en) * 1968-07-26 1971-06-08 James R Houck Nondestructive testing of conductive objects using ultrasonic waves
SU376127A1 (ru) * 1971-04-29 1973-04-05 вСьСигОЗНАЯ
US3786672A (en) * 1972-09-20 1974-01-22 Atomic Energy Commission Two-dimensional coils for electro-magnetic generation and detection of acoustic waves
GB1482077A (en) * 1973-09-07 1977-08-03 Videoson Ltd Probes for ultrasonic waves

Also Published As

Publication number Publication date
DE2653923B2 (de) 1978-09-21
US4149421A (en) 1979-04-17
IT1090200B (it) 1985-06-18
FR2372431A1 (fr) 1978-06-23
NL175670C (nl) 1984-12-03
ATA676777A (de) 1985-03-15
FR2372431B1 (fr) 1982-12-17
NL175670B (nl) 1984-07-02
DE2653923C3 (de) 1979-05-23
GB1586604A (en) 1981-03-25
NL7712528A (nl) 1978-05-30
LU78581A1 (fr) 1978-04-20
DE2653923A1 (de) 1978-06-01
AT379022B (de) 1985-11-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOESCH WERKE A.G.

Effective date: 19861130