GB1579651A - Process for automatically following up reading expectation ranges in connection with ultrasonic testing - Google Patents

Process for automatically following up reading expectation ranges in connection with ultrasonic testing Download PDF

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Publication number
GB1579651A
GB1579651A GB9978/77A GB997877A GB1579651A GB 1579651 A GB1579651 A GB 1579651A GB 9978/77 A GB9978/77 A GB 9978/77A GB 997877 A GB997877 A GB 997877A GB 1579651 A GB1579651 A GB 1579651A
Authority
GB
United Kingdom
Prior art keywords
window
rear wall
looking
echo
cycle
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
GB9978/77A
Other languages
English (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.)
DEUTSCH PRUEF MESSGERAETE
Vodafone GmbH
Original Assignee
DEUTSCH PRUEF MESSGERAETE
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 DEUTSCH PRUEF MESSGERAETE, Mannesmann AG filed Critical DEUTSCH PRUEF MESSGERAETE
Publication of GB1579651A publication Critical patent/GB1579651A/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
    • G01N29/4409—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
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time 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
    • G01N29/36—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
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/18—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
    • 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
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • 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)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB9978/77A 1976-03-10 1977-03-09 Process for automatically following up reading expectation ranges in connection with ultrasonic testing Expired GB1579651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2610457A DE2610457C2 (de) 1976-03-10 1976-03-10 Verfahren zur automatischen Nachführung von Anzeigenerwartungsbereichen bei der Ultraschallprüfung

Publications (1)

Publication Number Publication Date
GB1579651A true GB1579651A (en) 1980-11-19

Family

ID=5972303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9978/77A Expired GB1579651A (en) 1976-03-10 1977-03-09 Process for automatically following up reading expectation ranges in connection with ultrasonic testing

Country Status (6)

Country Link
US (1) US4147065A (enExample)
JP (1) JPS5920980B2 (enExample)
CA (1) CA1089080A (enExample)
DE (1) DE2610457C2 (enExample)
FR (1) FR2344016A1 (enExample)
GB (1) GB1579651A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136569A (en) * 1983-03-05 1984-09-19 Robert Joseph Savage Testing of structures

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916519C2 (de) * 1979-04-24 1983-05-26 Krautkrämer GmbH, 5000 Köln Verfahren zur Ausblendung von Störsignalen bei der Ultraschallprüfung
NL7904973A (nl) * 1979-06-26 1980-12-30 Roentgen Tech Dienst Bv Stelsel voor het met ultrasone golven onderzoeken van lasverbindingen in pijpen.
DE3017900C2 (de) * 1980-05-09 1982-12-16 Krautkrämer, GmbH, 5000 Köln Verfahren zur genauen automatischen Einstellung des Fehlererwartungsbereiches von Ultraschall-Rohr-Prüfanlagen zur zerstörungsfreien Werkstoffprüfung nach dem Impuls-Echo-Verfahren
NL8002888A (nl) * 1980-05-19 1981-12-16 Neratoom Stelsel voor het meten van de wanddikte van een meetobject.
DE3135301A1 (de) * 1981-09-02 1983-04-14 Mannesmann AG, 4000 Düsseldorf Verfahren zum nachweis von wasserstoffinduzierten rissen in metallischen werkstoffen
DE3135969C2 (de) * 1981-09-08 1983-11-17 Krautkrämer GmbH, 5000 Köln Ultraschallprüfverfahren zum Nachweis von Ungänzen in Werkstücken und Ultraschallprüfgerät mit einer Blendenschaltung zur Durchführung des Verfahrens
DE3204797C2 (de) * 1982-02-11 1983-12-29 Nukem Gmbh, 6450 Hanau Impuls-Echo-Verfahren zur zerstörungsfreien Ultraschall-Werkstoffprüfung
US4799177A (en) * 1985-12-31 1989-01-17 The Boeing Company Ultrasonic instrumentation for examination of variable-thickness objects
US4799168A (en) * 1985-12-31 1989-01-17 The Boeing Company Data recording apparatus for an ultrasonic inspection system
US4991440A (en) * 1990-02-05 1991-02-12 Westinghouse Electric Corp. Method of ultrasonically measuring thickness and characteristics of zirconium liner coextruded with zirconium tube
US5511425A (en) * 1993-12-09 1996-04-30 Krautkramer-Branson, Inc. Flaw detector incorporating DGS
DE19750572A1 (de) * 1997-11-14 1999-02-18 Siemens Ag Ultraschallmeßverfahren und -vorrichtung
DE10110045A1 (de) * 2001-03-02 2002-09-05 Bosch Gmbh Robert Vorrichtung zur Signalauswertung
US7472598B2 (en) * 2002-12-19 2009-01-06 Agfa Ndt Gmbh Ultrasonic inspection apparatus and method for evaluating ultrasonic signals
GB2512835A (en) 2013-04-08 2014-10-15 Permasense Ltd Ultrasonic detection of a change in a surface of a wall
CN103969343B (zh) * 2014-05-22 2016-07-06 株洲时代电子技术有限公司 钢轨探伤仿真试验装置及其系统
US10060883B2 (en) * 2015-10-01 2018-08-28 General Electric Company Pipeline crack detection
EP3382386B1 (en) * 2017-03-29 2020-10-14 Fujitsu Limited Defect detection using ultrasound scan data
GB2608421A (en) * 2021-06-30 2023-01-04 Dolphitech As Calibrating an ultrasound apparatus
CN114674257A (zh) * 2022-03-31 2022-06-28 中国空气动力研究与发展中心计算空气动力研究所 一种基于超声横波探测的高精度测厚方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555499A (en) * 1968-05-24 1971-01-12 Texas Instruments Inc Method and system for determining reflectivity of the ocean bottom
US3690154A (en) * 1969-07-21 1972-09-12 Atomic Energy Authority Uk Apparatus for measuring thickness
US3640122A (en) * 1969-11-20 1972-02-08 Bethlehem Steel Corp Ultrasonic defect signal discriminator
DE2321699C3 (de) * 1973-04-28 1982-03-04 Krautkrämer, GmbH, 5000 Köln Verfahren zum Einstellen der Blendenanlagen bei der automatischen zerstörungsfreien Werkstoffprüfung
DE2422439C2 (de) * 1974-05-09 1983-12-08 Krautkrämer GmbH, 5000 Köln Verfahren zur Fehlerblendeneinstellung bei einem Ultraschallprüfverfahren
US3986389A (en) * 1975-11-03 1976-10-19 Jones & Laughlin Steel Corporation Gating control system in ultrasonic inspection apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136569A (en) * 1983-03-05 1984-09-19 Robert Joseph Savage Testing of structures

Also Published As

Publication number Publication date
DE2610457C2 (de) 1978-08-10
FR2344016B1 (enExample) 1981-09-11
JPS5366779A (en) 1978-06-14
US4147065A (en) 1979-04-03
FR2344016A1 (fr) 1977-10-07
DE2610457B1 (de) 1977-12-15
CA1089080A (en) 1980-11-04
JPS5920980B2 (ja) 1984-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee