NO842934L - Fremgangsmaate for detektering av feil, saerlig innvendig, saasom sprekker i sveisede skjoeter - Google Patents

Fremgangsmaate for detektering av feil, saerlig innvendig, saasom sprekker i sveisede skjoeter

Info

Publication number
NO842934L
NO842934L NO842934A NO842934A NO842934L NO 842934 L NO842934 L NO 842934L NO 842934 A NO842934 A NO 842934A NO 842934 A NO842934 A NO 842934A NO 842934 L NO842934 L NO 842934L
Authority
NO
Norway
Prior art keywords
interface
echo
echoes
echo return
detection
Prior art date
Application number
NO842934A
Other languages
English (en)
Other versions
NO162934C (no
NO162934B (no
Inventor
Jean-Pierre Georges Capdevelle
Original Assignee
Gaz De France
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 Gaz De France filed Critical Gaz De France
Publication of NO842934L publication Critical patent/NO842934L/no
Publication of NO162934B publication Critical patent/NO162934B/no
Publication of NO162934C publication Critical patent/NO162934C/no

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
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4436—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with a reference signal
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • 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
    • 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
    • G01N2291/26—Scanned objects
    • G01N2291/267—Welds
    • G01N2291/2675—Seam, butt welding

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Arc Welding Control (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NO842934A 1983-07-19 1984-07-18 Fremgangsmaate for feildeteksjon i sveiseforbindelser. NO162934C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8311911A FR2549607B1 (fr) 1983-07-19 1983-07-19 Procede de detection de defauts, notamment internes, tels que fissures dans des joints soudes

Publications (3)

Publication Number Publication Date
NO842934L true NO842934L (no) 1985-01-21
NO162934B NO162934B (no) 1989-11-27
NO162934C NO162934C (no) 1990-03-07

Family

ID=9290926

Family Applications (1)

Application Number Title Priority Date Filing Date
NO842934A NO162934C (no) 1983-07-19 1984-07-18 Fremgangsmaate for feildeteksjon i sveiseforbindelser.

Country Status (6)

Country Link
EP (1) EP0132187B1 (no)
AT (1) ATE37094T1 (no)
CA (1) CA1232671A (no)
DE (1) DE3473928D1 (no)
FR (1) FR2549607B1 (no)
NO (1) NO162934C (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50304530D1 (de) * 2002-12-18 2006-09-14 Fraunhofer Ges Forschung Verfahren zur bewertung einer sich während eines schweissvorganges ausbildenden schweissverbindung mit longitudinalen und transversalen ultraschallwellen
CN101699279B (zh) * 2009-10-27 2011-08-03 中国长江航运集团青山船厂 双相钢与碳钢t型接头角焊缝超声波探伤方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB664763A (en) * 1949-02-17 1952-01-09 Nat Res Dev Method of and apparatus for examining materials by ultrasonic irradiation
DE971993C (de) * 1955-01-04 1959-05-06 Siemens Ag Schallkopf zur Schraegeinstrahlung von Ultraschallimpulsen in Pruefkoerper
DE1816255C3 (de) * 1968-12-21 1973-11-22 Hoesch Werke Ag, 4600 Dortmund Verfahren zur zerstörungsfreien Prüfung von Schweißnahten mittels Ultra schallenergie
FR2093406A5 (no) * 1970-06-12 1972-01-28 Commissariat Energie Atomique
US3895685A (en) * 1971-04-19 1975-07-22 Combustion Eng Method and apparatus for ultrasonic inspection of weldments
IT1096070B (it) * 1977-05-16 1985-08-17 Mannesmann Ag Procedimento per la differenziazione di segnali us(ultrasuoni)la cui riflessione ha cause diverse
AT362166B (de) * 1979-01-08 1981-04-27 Voest Alpine Ag Schweissnaht austenitischer staehle
JPS56143951A (en) * 1980-04-10 1981-11-10 Nisshin Steel Co Ltd Ultrasonic flaw detection for austenite alloy steel welded steel pipe

Also Published As

Publication number Publication date
CA1232671A (fr) 1988-02-09
NO162934C (no) 1990-03-07
EP0132187B1 (fr) 1988-09-07
ATE37094T1 (de) 1988-09-15
EP0132187A1 (fr) 1985-01-23
DE3473928D1 (en) 1988-10-13
NO162934B (no) 1989-11-27
FR2549607B1 (fr) 1986-01-31
FR2549607A1 (fr) 1985-01-25

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