GB2034036B - Process for differentiating defects in the non-destructiveultrasonic testing of materials - Google Patents

Process for differentiating defects in the non-destructiveultrasonic testing of materials

Info

Publication number
GB2034036B
GB2034036B GB7930971A GB7930971A GB2034036B GB 2034036 B GB2034036 B GB 2034036B GB 7930971 A GB7930971 A GB 7930971A GB 7930971 A GB7930971 A GB 7930971A GB 2034036 B GB2034036 B GB 2034036B
Authority
GB
United Kingdom
Prior art keywords
destructiveultrasonic
differentiating
defects
testing
materials
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
GB7930971A
Other languages
English (en)
Other versions
GB2034036A (en
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
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB2034036A publication Critical patent/GB2034036A/en
Application granted granted Critical
Publication of GB2034036B publication Critical patent/GB2034036B/en
Expired 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4445—Classification of defects
    • 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
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • 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
    • 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
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
    • 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

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)
GB7930971A 1978-09-15 1979-09-06 Process for differentiating defects in the non-destructiveultrasonic testing of materials Expired GB2034036B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2034036A GB2034036A (en) 1980-05-29
GB2034036B true GB2034036B (en) 1982-12-01

Family

ID=6049852

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7930971A Expired GB2034036B (en) 1978-09-15 1979-09-06 Process for differentiating defects in the non-destructiveultrasonic testing of materials

Country Status (7)

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

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
GB2034036A (en) 1980-05-29
CA1148650A (en) 1983-06-21
JPS5543493A (en) 1980-03-27
IT1165301B (it) 1987-04-22
FR2436394A1 (fr) 1980-04-11
DE2840748A1 (de) 1980-03-27
SU1061709A3 (ru) 1983-12-15
IT7925541A0 (it) 1979-09-07
FR2436394B1 (ru) 1983-10-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee