JPS57131057A - Ultrasonic flaw detection equipment - Google Patents

Ultrasonic flaw detection equipment

Info

Publication number
JPS57131057A
JPS57131057A JP56016654A JP1665481A JPS57131057A JP S57131057 A JPS57131057 A JP S57131057A JP 56016654 A JP56016654 A JP 56016654A JP 1665481 A JP1665481 A JP 1665481A JP S57131057 A JPS57131057 A JP S57131057A
Authority
JP
Japan
Prior art keywords
flaw detection
given
amplitude
computer
signal
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.)
Pending
Application number
JP56016654A
Other languages
Japanese (ja)
Inventor
Kuniharu Uchida
Satoshi Nagai
Ichiro Furumura
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56016654A priority Critical patent/JPS57131057A/en
Publication of JPS57131057A publication Critical patent/JPS57131057A/en
Pending 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control

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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To make uniform the sensitivity of flaw detection and to improve the accuracy of flaw detection by a method wherein the sensitivity of ultrasonic flaw detection is automatically corrected. CONSTITUTION:Input signals from vibrator 11-1n are applied to a channel selector 5 whereby the signal of one vibrator is selected according to the instructing signal given by a computer 4. The selected signal is inputted to an A/D converter 6 to which a trigger signal has been applied from a receiving delay setter 7. The output of the A/D converter 6 is given to a digital adder 8, causing the selector 5 to switch to the number of times defined by the computer 4 and the ultrasonic waveform of each receiving vibrator output to be added in a digital amount. The added digital waveform is inputted to an amplifier 9 to which the amplitude is given by an amplitude setter 10. The amplitude of the amplitude setter 10 is given by the computer 4 beforehand so that the vibration of the sensitivitiy of flaw detection can be corrected.
JP56016654A 1981-02-06 1981-02-06 Ultrasonic flaw detection equipment Pending JPS57131057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56016654A JPS57131057A (en) 1981-02-06 1981-02-06 Ultrasonic flaw detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56016654A JPS57131057A (en) 1981-02-06 1981-02-06 Ultrasonic flaw detection equipment

Publications (1)

Publication Number Publication Date
JPS57131057A true JPS57131057A (en) 1982-08-13

Family

ID=11922324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56016654A Pending JPS57131057A (en) 1981-02-06 1981-02-06 Ultrasonic flaw detection equipment

Country Status (1)

Country Link
JP (1) JPS57131057A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59203548A (en) * 1983-04-30 1984-11-17 富士通株式会社 Ultrasonic diagnostic apparatus
JPS6029140A (en) * 1983-07-28 1985-02-14 株式会社東芝 Ultrasonic diagnostic apparatus
JPS6199862A (en) * 1984-10-22 1986-05-17 Matsushita Electric Ind Co Ltd Ultrasonic diagnosing device
JP2619142B2 (en) * 1989-08-07 1997-06-11 日立建機株式会社 Ultrasonic inspection equipment
JP2010122072A (en) * 2008-11-19 2010-06-03 Sumitomo Metal Ind Ltd Ultrasonic flaw detection method and device
JP2010230692A (en) * 2008-11-19 2010-10-14 Sumitomo Metal Ind Ltd Method and apparatus for ultrasonically detecting flaw of welded portion
JP2013145235A (en) * 2012-01-13 2013-07-25 Airbus Operations Ltd Calibration member and calibration method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59203548A (en) * 1983-04-30 1984-11-17 富士通株式会社 Ultrasonic diagnostic apparatus
JPS6029140A (en) * 1983-07-28 1985-02-14 株式会社東芝 Ultrasonic diagnostic apparatus
JPS6199862A (en) * 1984-10-22 1986-05-17 Matsushita Electric Ind Co Ltd Ultrasonic diagnosing device
JPH0550705B2 (en) * 1984-10-22 1993-07-29 Matsushita Electric Ind Co Ltd
JP2619142B2 (en) * 1989-08-07 1997-06-11 日立建機株式会社 Ultrasonic inspection equipment
JP2010122072A (en) * 2008-11-19 2010-06-03 Sumitomo Metal Ind Ltd Ultrasonic flaw detection method and device
JP2010230692A (en) * 2008-11-19 2010-10-14 Sumitomo Metal Ind Ltd Method and apparatus for ultrasonically detecting flaw of welded portion
JP2013145235A (en) * 2012-01-13 2013-07-25 Airbus Operations Ltd Calibration member and calibration method

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