FR2361647B1 - - Google Patents

Info

Publication number
FR2361647B1
FR2361647B1 FR7624335A FR7624335A FR2361647B1 FR 2361647 B1 FR2361647 B1 FR 2361647B1 FR 7624335 A FR7624335 A FR 7624335A FR 7624335 A FR7624335 A FR 7624335A FR 2361647 B1 FR2361647 B1 FR 2361647B1
Authority
FR
France
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
FR7624335A
Other languages
French (fr)
Other versions
FR2361647A1 (fr
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7624335A priority Critical patent/FR2361647A1/fr
Publication of FR2361647A1 publication Critical patent/FR2361647A1/fr
Application granted granted Critical
Publication of FR2361647B1 publication Critical patent/FR2361647B1/fr
Granted 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • 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
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • 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
    • 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
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside

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)
FR7624335A 1976-08-09 1976-08-09 Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant Granted FR2361647A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7624335A FR2361647A1 (fr) 1976-08-09 1976-08-09 Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7624335A FR2361647A1 (fr) 1976-08-09 1976-08-09 Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant

Publications (2)

Publication Number Publication Date
FR2361647A1 FR2361647A1 (fr) 1978-03-10
FR2361647B1 true FR2361647B1 (it) 1978-12-22

Family

ID=9176705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624335A Granted FR2361647A1 (fr) 1976-08-09 1976-08-09 Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant

Country Status (1)

Country Link
FR (1) FR2361647A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204434A (en) * 1978-12-18 1980-05-27 The Budd Company Ultrasonic testing of welds in wheels
FR2464473A1 (fr) * 1979-08-28 1981-03-06 Framatome Sa Dispositif de detection des defauts d'une plaque metallique au moyen de courants de foucault et procede utilisant ce dispositif

Also Published As

Publication number Publication date
FR2361647A1 (fr) 1978-03-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse