IT1165301B - PROCEDURE FOR THE DIFFERENCE OF DEFECTS IN THE NON-DESTRUCTIVE TEST OF MATERIALS WITH ULTRASOUNDS - Google Patents

PROCEDURE FOR THE DIFFERENCE OF DEFECTS IN THE NON-DESTRUCTIVE TEST OF MATERIALS WITH ULTRASOUNDS

Info

Publication number
IT1165301B
IT1165301B IT25541/79A IT2554179A IT1165301B IT 1165301 B IT1165301 B IT 1165301B IT 25541/79 A IT25541/79 A IT 25541/79A IT 2554179 A IT2554179 A IT 2554179A IT 1165301 B IT1165301 B IT 1165301B
Authority
IT
Italy
Prior art keywords
ultrasounds
defects
procedure
difference
materials
Prior art date
Application number
IT25541/79A
Other languages
Italian (it)
Other versions
IT7925541A0 (en
Inventor
Heinz Schneider
Dieter Lather
Klaus Abend
Raimund Lang
Walter Sternberg
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
Publication of IT7925541A0 publication Critical patent/IT7925541A0/en
Application granted granted Critical
Publication of IT1165301B publication Critical patent/IT1165301B/en

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)
IT25541/79A 1978-09-15 1979-09-07 PROCEDURE FOR THE DIFFERENCE OF DEFECTS IN THE NON-DESTRUCTIVE TEST OF MATERIALS WITH ULTRASOUNDS IT1165301B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782840748 DE2840748A1 (en) 1978-09-15 1978-09-15 METHOD FOR AUTOMATIC FAULT DISTINCTION IN DESTRUCTION-FREE MATERIAL TESTING

Publications (2)

Publication Number Publication Date
IT7925541A0 IT7925541A0 (en) 1979-09-07
IT1165301B true IT1165301B (en) 1987-04-22

Family

ID=6049852

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25541/79A IT1165301B (en) 1978-09-15 1979-09-07 PROCEDURE FOR THE DIFFERENCE OF DEFECTS IN THE NON-DESTRUCTIVE TEST OF MATERIALS WITH ULTRASOUNDS

Country Status (7)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2621890C1 (en) * 2016-04-11 2017-06-07 Публичное акционерное общество Научно-производственное объединение "Искра" Method for reducing dead zone under product control by ultrasonic echo-pulse method
RU2769080C1 (en) * 2021-05-21 2022-03-28 Акционерное общество "Научно-исследовательский институт Научно-производственное объединение "ЛУЧ" (АО "НИИ НПО "ЛУЧ") Method for ultrasonic control of materials and products

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1443793A (en) * 1965-08-17 1966-06-24 Atomic Energy Commission Eddy current non-destructive test device
DE2321699C3 (en) * 1973-04-28 1982-03-04 Krautkrämer, GmbH, 5000 Köln Procedure for setting the aperture systems in automatic non-destructive material testing
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
GB2034036B (en) 1982-12-01
SU1061709A3 (en) 1983-12-15
DE2840748A1 (en) 1980-03-27
CA1148650A (en) 1983-06-21
FR2436394A1 (en) 1980-04-11
FR2436394B1 (en) 1983-10-07
GB2034036A (en) 1980-05-29
IT7925541A0 (en) 1979-09-07
JPS5543493A (en) 1980-03-27

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