IT1084949B - DEVICE FOR THE ULTRASONIC CONTROL BY PLATE-SHAPED BODIES, IN PARTICULAR FOR SHEET METAL TAPES, ACCORDING TO THE LAMB WAVE-IMPULSE-ECO PROCEDURE - Google Patents

DEVICE FOR THE ULTRASONIC CONTROL BY PLATE-SHAPED BODIES, IN PARTICULAR FOR SHEET METAL TAPES, ACCORDING TO THE LAMB WAVE-IMPULSE-ECO PROCEDURE

Info

Publication number
IT1084949B
IT1084949B IT2566777A IT2566777A IT1084949B IT 1084949 B IT1084949 B IT 1084949B IT 2566777 A IT2566777 A IT 2566777A IT 2566777 A IT2566777 A IT 2566777A IT 1084949 B IT1084949 B IT 1084949B
Authority
IT
Italy
Prior art keywords
impulse
sheet metal
plate
shaped bodies
lamb wave
Prior art date
Application number
IT2566777A
Other languages
Italian (it)
Original Assignee
Thyssen Niederrhein 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 Thyssen Niederrhein Ag filed Critical Thyssen Niederrhein Ag
Application granted granted Critical
Publication of IT1084949B publication Critical patent/IT1084949B/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
    • G01N29/04—Analysing solids
    • G01N29/041—Analysing solids on the surface of the material, e.g. using Lamb, Rayleigh or shear 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
IT2566777A 1976-07-17 1977-07-13 DEVICE FOR THE ULTRASONIC CONTROL BY PLATE-SHAPED BODIES, IN PARTICULAR FOR SHEET METAL TAPES, ACCORDING TO THE LAMB WAVE-IMPULSE-ECO PROCEDURE IT1084949B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762632323 DE2632323C3 (en) 1976-07-17 1976-07-17 Device for ultrasonic testing of plate-shaped bodies, in particular sheet metal strip, using the pulse-echo method with Lamb waves

Publications (1)

Publication Number Publication Date
IT1084949B true IT1084949B (en) 1985-05-28

Family

ID=5983321

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2566777A IT1084949B (en) 1976-07-17 1977-07-13 DEVICE FOR THE ULTRASONIC CONTROL BY PLATE-SHAPED BODIES, IN PARTICULAR FOR SHEET METAL TAPES, ACCORDING TO THE LAMB WAVE-IMPULSE-ECO PROCEDURE

Country Status (4)

Country Link
JP (1) JPS5312386A (en)
DE (1) DE2632323C3 (en)
FR (1) FR2358658A1 (en)
IT (1) IT1084949B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712329A (en) * 1980-06-25 1982-01-22 Hitachi Ltd Frost sensor
FR2538155B1 (en) * 1982-12-17 1988-08-12 Fragema Framatome & Cogema METHOD AND DEVICE FOR DETECTING DEFECTIVE FUEL ELEMENTS USING ULTRASONIC ABSORPTION
GB8509836D0 (en) * 1985-04-17 1985-05-22 Rolls Royce Transient stress wave events
JPS6443712A (en) * 1987-08-11 1989-02-16 Nippon Telegraph & Telephone Automatic level measuring instrument
JP4717338B2 (en) * 2003-08-29 2011-07-06 株式会社三葉製作所 Non-contact temperature measurement system

Also Published As

Publication number Publication date
DE2632323C3 (en) 1979-02-22
DE2632323B2 (en) 1978-06-22
DE2632323A1 (en) 1978-01-26
JPS5312386A (en) 1978-02-03
FR2358658A1 (en) 1978-02-10

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