IT1086999B - Procedimento per la differenziazioni di disturbo e difetti nel controllo con ultrasuoni - Google Patents

Procedimento per la differenziazioni di disturbo e difetti nel controllo con ultrasuoni

Info

Publication number
IT1086999B
IT1086999B IT2935077A IT2935077A IT1086999B IT 1086999 B IT1086999 B IT 1086999B IT 2935077 A IT2935077 A IT 2935077A IT 2935077 A IT2935077 A IT 2935077A IT 1086999 B IT1086999 B IT 1086999B
Authority
IT
Italy
Prior art keywords
ultrasounds
differentiation
defects
interference
procedure
Prior art date
Application number
IT2935077A
Other languages
English (en)
Italian (it)
Inventor
Reinhard Pawelletz
Dieter Lather
Original Assignee
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 Mannesmann Ag filed Critical Mannesmann Ag
Application granted granted Critical
Publication of IT1086999B publication Critical patent/IT1086999B/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/32Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/07Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4445Classification of defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
IT2935077A 1977-01-28 1977-11-07 Procedimento per la differenziazioni di disturbo e difetti nel controllo con ultrasuoni IT1086999B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772704128 DE2704128C3 (de) 1977-01-28 1977-01-28 Verfahren zur dynamischen Unterscheidung zwischen Störanzeigen und Fehlern bei der Ultraschallprüfung

Publications (1)

Publication Number Publication Date
IT1086999B true IT1086999B (it) 1985-05-31

Family

ID=6000087

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2935077A IT1086999B (it) 1977-01-28 1977-11-07 Procedimento per la differenziazioni di disturbo e difetti nel controllo con ultrasuoni

Country Status (5)

Country Link
JP (1) JPS5928261B2 (enrdf_load_html_response)
DE (1) DE2704128C3 (enrdf_load_html_response)
FR (1) FR2379070A1 (enrdf_load_html_response)
GB (1) GB1600643A (enrdf_load_html_response)
IT (1) IT1086999B (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592601A (en) * 1977-02-19 1981-07-08 Rolls Royce Apparatus for ultrasonic examination
GB2114758B (en) * 1982-02-05 1985-07-31 Rolls Royce Ultrasonic flaw detector signal analyser
DE3204797C2 (de) * 1982-02-11 1983-12-29 Nukem Gmbh, 6450 Hanau Impuls-Echo-Verfahren zur zerstörungsfreien Ultraschall-Werkstoffprüfung
JPS6155456U (enrdf_load_html_response) * 1984-09-17 1986-04-14
CN119246683B (zh) * 2024-11-28 2025-03-11 中色(天津)新材料科技有限公司 一种拉拔管内部缺陷在线检测设备及方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693100A (en) * 1971-04-09 1972-09-19 Presearch Inc Cumulative enhancement signal processor

Also Published As

Publication number Publication date
DE2704128B2 (de) 1978-11-16
GB1600643A (en) 1981-10-21
JPS5928261B2 (ja) 1984-07-11
DE2704128C3 (de) 1979-07-26
DE2704128A1 (de) 1978-08-10
FR2379070B1 (enrdf_load_html_response) 1984-02-24
FR2379070A1 (fr) 1978-08-25
JPS5395690A (en) 1978-08-22

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