CA1148650A - Classification des defauts dans les materiaux de charpente par suite de leur detection aux ultrasons - Google Patents

Classification des defauts dans les materiaux de charpente par suite de leur detection aux ultrasons

Info

Publication number
CA1148650A
CA1148650A CA000335642A CA335642A CA1148650A CA 1148650 A CA1148650 A CA 1148650A CA 000335642 A CA000335642 A CA 000335642A CA 335642 A CA335642 A CA 335642A CA 1148650 A CA1148650 A CA 1148650A
Authority
CA
Canada
Prior art keywords
signal
peak
complex
defect
angle
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
CA000335642A
Other languages
English (en)
Inventor
Heinz Schneider
Dieter Lather
Klaus Abend
Raimund Lang
Walter Sternberg
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.)
Vodafone GmbH
Nukem GmbH
Original Assignee
Mannesmann AG
Nukem GmbH
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 Mannesmann AG, Nukem GmbH filed Critical Mannesmann AG
Application granted granted Critical
Publication of CA1148650A publication Critical patent/CA1148650A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4445Classification of defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/06Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609Display arrangements, e.g. colour displays
    • G01N29/0618Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/11Analysing solids by measuring attenuation of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/30Arrangements for calibrating or comparing, e.g. with standard objects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/48Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA000335642A 1978-09-15 1979-09-14 Classification des defauts dans les materiaux de charpente par suite de leur detection aux ultrasons Expired CA1148650A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2840748.9-52 1978-09-15
DE19782840748 DE2840748A1 (de) 1978-09-15 1978-09-15 Verfahren zur automatischen fehlerunterscheidung bei der zerstoerungsfreien werkstoffpruefung

Publications (1)

Publication Number Publication Date
CA1148650A true CA1148650A (fr) 1983-06-21

Family

ID=6049852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000335642A Expired CA1148650A (fr) 1978-09-15 1979-09-14 Classification des defauts dans les materiaux de charpente par suite de leur detection aux ultrasons

Country Status (7)

Country Link
JP (1) JPS5543493A (fr)
CA (1) CA1148650A (fr)
DE (1) DE2840748A1 (fr)
FR (1) FR2436394A1 (fr)
GB (1) GB2034036B (fr)
IT (1) IT1165301B (fr)
SU (1) SU1061709A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2621890C1 (ru) * 2016-04-11 2017-06-07 Публичное акционерное общество Научно-производственное объединение "Искра" Способ уменьшения мертвой зоны при контроле изделий ультразвуковым эхо-импульсным методом
RU2769080C1 (ru) * 2021-05-21 2022-03-28 Акционерное общество "Научно-исследовательский институт Научно-производственное объединение "ЛУЧ" (АО "НИИ НПО "ЛУЧ") Способ ультразвукового контроля материалов и изделий

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1443793A (fr) * 1965-08-17 1966-06-24 Atomic Energy Commission Dispositif d'essai non destructif à courants de foucault
DE2321699C3 (de) * 1973-04-28 1982-03-04 Krautkrämer, GmbH, 5000 Köln Verfahren zum Einstellen der Blendenanlagen bei der automatischen zerstörungsfreien Werkstoffprüfung
US3904957A (en) * 1973-09-29 1975-09-09 Foerster Inst Dr Friedrich Eddy current test apparatus with peak signal value storage means
US3996791A (en) * 1975-04-24 1976-12-14 Krautkramer-Branson, Incorporated Ultrasonic test method and apparatus utilizing scattered signals
US4100808A (en) * 1975-10-22 1978-07-18 Vought Corporation Apparatus for evaluating a bond
US4052889A (en) * 1976-06-10 1977-10-11 Adaptronics, Inc. System for measurement of subsurface fatigue crack size

Also Published As

Publication number Publication date
IT7925541A0 (it) 1979-09-07
FR2436394B1 (fr) 1983-10-07
DE2840748A1 (de) 1980-03-27
JPS5543493A (en) 1980-03-27
GB2034036A (en) 1980-05-29
SU1061709A3 (ru) 1983-12-15
FR2436394A1 (fr) 1980-04-11
IT1165301B (it) 1987-04-22
GB2034036B (en) 1982-12-01

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