GB2124379B - Improvements in or relating to ultrasonic testing - Google Patents

Improvements in or relating to ultrasonic testing

Info

Publication number
GB2124379B
GB2124379B GB08319763A GB8319763A GB2124379B GB 2124379 B GB2124379 B GB 2124379B GB 08319763 A GB08319763 A GB 08319763A GB 8319763 A GB8319763 A GB 8319763A GB 2124379 B GB2124379 B GB 2124379B
Authority
GB
United Kingdom
Prior art keywords
relating
ultrasonic testing
ultrasonic
testing
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
GB08319763A
Other versions
GB2124379A (en
GB8319763D0 (en
Inventor
Alexander Rankin Cornforth
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.)
British Steel Corp
Original Assignee
British Steel Corp
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 British Steel Corp filed Critical British Steel Corp
Priority to GB08319763A priority Critical patent/GB2124379B/en
Publication of GB8319763D0 publication Critical patent/GB8319763D0/en
Publication of GB2124379A publication Critical patent/GB2124379A/en
Application granted granted Critical
Publication of GB2124379B publication Critical patent/GB2124379B/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
    • G01N29/22—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
    • G01N29/04—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
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB08319763A 1982-07-23 1983-07-22 Improvements in or relating to ultrasonic testing Expired GB2124379B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08319763A GB2124379B (en) 1982-07-23 1983-07-22 Improvements in or relating to ultrasonic testing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8221404 1982-07-23
GB08319763A GB2124379B (en) 1982-07-23 1983-07-22 Improvements in or relating to ultrasonic testing

Publications (3)

Publication Number Publication Date
GB8319763D0 GB8319763D0 (en) 1983-08-24
GB2124379A GB2124379A (en) 1984-02-15
GB2124379B true GB2124379B (en) 1986-03-05

Family

ID=26283421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08319763A Expired GB2124379B (en) 1982-07-23 1983-07-22 Improvements in or relating to ultrasonic testing

Country Status (1)

Country Link
GB (1) GB2124379B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6622561B2 (en) 2001-08-14 2003-09-23 Varco I/P, Inc. Tubular member flaw detection
US6578422B2 (en) 2001-08-14 2003-06-17 Varco I/P, Inc. Ultrasonic detection of flaws in tubular members
US6862099B2 (en) 2002-04-05 2005-03-01 Varco I/P Tubular ovality testing
US6745136B2 (en) 2002-07-02 2004-06-01 Varco I/P, Inc. Pipe inspection systems and methods
US6782751B2 (en) 2002-09-13 2004-08-31 Ctes, L.C. Pipe inspection systems and methods
CN113267567A (en) * 2021-05-19 2021-08-17 复旦大学 In-situ same-frequency sensitivity comparison method for quantitatively detecting impurities in steel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209906C3 (en) * 1972-03-02 1985-10-24 Krautkrämer GmbH, 5000 Köln Probe arrangement for non-destructive material testing of tubes and rods using the ultrasonic method
GB1357841A (en) * 1972-03-13 1974-06-26 British Steel Corp Ultrasonic testing
GB1469454A (en) * 1973-06-06 1977-04-06 Cockerill Apparatus for recording discontinuities
DE2632674B2 (en) * 1976-07-16 1978-06-08 Karl Deutsch Pruef- Und Messgeraetebau, 5600 Wuppertal Electronic device for cyclic acquisition, evaluation and evaluation of impulses in non-destructive ultrasonic material testing
DE3135969C2 (en) * 1981-09-08 1983-11-17 Krautkrämer GmbH, 5000 Köln Ultrasonic testing method for the detection of imperfections in workpieces and ultrasonic testing device with a diaphragm switch to carry out the method

Also Published As

Publication number Publication date
GB2124379A (en) 1984-02-15
GB8319763D0 (en) 1983-08-24

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20030721