BR8002765A - PROCESS AND PROVISION TO DETECT DEFECTS ESPECIALLY IN STEEL SHEETS AND STRIPS - Google Patents

PROCESS AND PROVISION TO DETECT DEFECTS ESPECIALLY IN STEEL SHEETS AND STRIPS

Info

Publication number
BR8002765A
BR8002765A BR8002765A BR8002765A BR8002765A BR 8002765 A BR8002765 A BR 8002765A BR 8002765 A BR8002765 A BR 8002765A BR 8002765 A BR8002765 A BR 8002765A BR 8002765 A BR8002765 A BR 8002765A
Authority
BR
Brazil
Prior art keywords
strips
provision
steel sheets
detect defects
defects especially
Prior art date
Application number
BR8002765A
Other languages
Portuguese (pt)
Inventor
W Pies
C Gerken
Original Assignee
Krautkraemer 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 Krautkraemer Gmbh filed Critical Krautkraemer Gmbh
Publication of BR8002765A publication Critical patent/BR8002765A/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
    • G01N29/36—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

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
BR8002765A 1979-04-30 1980-04-30 PROCESS AND PROVISION TO DETECT DEFECTS ESPECIALLY IN STEEL SHEETS AND STRIPS BR8002765A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2917539A DE2917539C2 (en) 1979-04-30 1979-04-30 Method and device for determining discontinuities

Publications (1)

Publication Number Publication Date
BR8002765A true BR8002765A (en) 1980-12-16

Family

ID=6069657

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8002765A BR8002765A (en) 1979-04-30 1980-04-30 PROCESS AND PROVISION TO DETECT DEFECTS ESPECIALLY IN STEEL SHEETS AND STRIPS

Country Status (6)

Country Link
JP (1) JPS55151259A (en)
BR (1) BR8002765A (en)
DE (1) DE2917539C2 (en)
FR (1) FR2455741A1 (en)
GB (1) GB2047895A (en)
IT (1) IT8048534A0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140561A (en) * 1983-05-27 1984-11-28 Fulmer Res Inst Ltd Ultrasonic testing apparatus and a method of ultrasonic testing
DE3720219A1 (en) * 1987-06-17 1988-12-29 Betr Forsch Inst Angew Forsch METHOD FOR CHECKING COMPONENTS
JPH0228552A (en) * 1988-07-19 1990-01-30 Haabesuto:Kk Pinhole detection device for film material
DE4008300A1 (en) * 1990-03-15 1991-09-26 Benteler Werke Ag METHOD AND DEVICE FOR THE CONTINUOUS NON-DESTRUCTION-FREE EXAMINATION OF ROD-SHAPED TEST UNITS
DE19507177A1 (en) * 1995-03-02 1996-09-05 Daimler Benz Ag Locally induced component condition alteration measurement appts. for e.g. piezo sensor
DE19921217B4 (en) * 1999-05-07 2004-11-25 Leuze Electronic Gmbh + Co Kg Device for the detection of labels
DE10327389B3 (en) * 2003-06-18 2004-12-16 Leuze Electronic Gmbh + Co. Kg Sensor arrangement for detecting labels has control unit that alternatively activates even, odd number ultrasonic wave transmitters simultaneously; receiver output signals are assessed using threshold
JP2009273880A (en) * 2008-04-17 2009-11-26 Canon Inc Ultrasonic diagnosing apparatus, and method for testing operation of ultrasonic probe
EP3441755A4 (en) * 2016-04-06 2019-11-06 Subaru Corporation Ultrasonic inspection system, ultrasonic inspection method, and aircraft structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604651A1 (en) * 1976-02-04 1977-10-27 Mannesmann Ag METHOD AND DEVICE FOR NON-DESTRUCTIVE TESTING OF SHEET METALS AND STRIPS
DE2623522C2 (en) * 1976-05-26 1983-12-22 Krautkrämer GmbH, 5000 Köln Procedure for non-destructive material testing with ultrasound
DE2623892C3 (en) * 1976-05-28 1988-07-28 Karl Deutsch Prüf- und Meßgerätebau GmbH + Co KG, 5600 Wuppertal Method for evaluating ultrasonic signals in ultrasonic testing devices for non-destructive material testing
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

Also Published As

Publication number Publication date
GB2047895A (en) 1980-12-03
JPS55151259A (en) 1980-11-25
DE2917539C2 (en) 1982-11-18
IT8048534A0 (en) 1980-04-28
FR2455741A1 (en) 1980-11-28
DE2917539A1 (en) 1981-01-22

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