GB2129936B - Method of and apparatus for detecting an internal flaw in an article - Google Patents

Method of and apparatus for detecting an internal flaw in an article

Info

Publication number
GB2129936B
GB2129936B GB08312696A GB8312696A GB2129936B GB 2129936 B GB2129936 B GB 2129936B GB 08312696 A GB08312696 A GB 08312696A GB 8312696 A GB8312696 A GB 8312696A GB 2129936 B GB2129936 B GB 2129936B
Authority
GB
United Kingdom
Prior art keywords
article
detecting
internal flaw
flaw
internal
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
GB08312696A
Other languages
English (en)
Other versions
GB2129936A (en
GB8312696D0 (en
Inventor
Horst-Artur Crostack
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.)
GEWERTEC GmbH
Original Assignee
GEWERTEC 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 GEWERTEC GmbH filed Critical GEWERTEC GmbH
Publication of GB8312696D0 publication Critical patent/GB8312696D0/en
Publication of GB2129936A publication Critical patent/GB2129936A/en
Application granted granted Critical
Publication of GB2129936B publication Critical patent/GB2129936B/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
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0654—Imaging
    • G01N29/0663—Imaging by acoustic holography
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8965—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques
    • G01S15/897—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques using application of holographic techniques
    • 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
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB08312696A 1982-05-10 1983-05-09 Method of and apparatus for detecting an internal flaw in an article Expired GB2129936B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823217530 DE3217530A1 (de) 1982-05-10 1982-05-10 Verfahren und vorrichtung zum erfassen von fehlern im inneren von koerpern, insbesondere bauteilen, mit hilfe der akustischen holographie

Publications (3)

Publication Number Publication Date
GB8312696D0 GB8312696D0 (en) 1983-06-15
GB2129936A GB2129936A (en) 1984-05-23
GB2129936B true GB2129936B (en) 1985-12-24

Family

ID=6163198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08312696A Expired GB2129936B (en) 1982-05-10 1983-05-09 Method of and apparatus for detecting an internal flaw in an article

Country Status (3)

Country Link
DE (1) DE3217530A1 (enrdf_load_stackoverflow)
FR (1) FR2526546B1 (enrdf_load_stackoverflow)
GB (1) GB2129936B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865789B (zh) * 2010-06-30 2012-03-21 上海交通大学 近场声全息声像模式识别故障检测装置及其检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631711A (en) * 1968-01-02 1972-01-04 Perkin Elmer Corp Comparing position and configuration of an object with a standard
US4179936A (en) * 1977-05-17 1979-12-25 National Research Development Corporation Acoustic image recorders
GB2000291B (en) * 1977-06-22 1982-02-03 Hitachi Ltd Digital type ultrasonic holography apparatus
JPS55120071A (en) * 1979-03-12 1980-09-16 Hitachi Ltd Ultrasonic holography apparatus

Also Published As

Publication number Publication date
DE3217530A1 (de) 1984-02-23
DE3217530C2 (enrdf_load_stackoverflow) 1992-03-05
FR2526546A1 (fr) 1983-11-10
GB2129936A (en) 1984-05-23
GB8312696D0 (en) 1983-06-15
FR2526546B1 (fr) 1988-10-14

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Legal Events

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

Effective date: 19970509