JPS58135450A - 超音波による欠陥識別方法とその装置 - Google Patents

超音波による欠陥識別方法とその装置

Info

Publication number
JPS58135450A
JPS58135450A JP57016276A JP1627682A JPS58135450A JP S58135450 A JPS58135450 A JP S58135450A JP 57016276 A JP57016276 A JP 57016276A JP 1627682 A JP1627682 A JP 1627682A JP S58135450 A JPS58135450 A JP S58135450A
Authority
JP
Japan
Prior art keywords
ultrasonic
echo
phase
ultrasonic wave
crack
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.)
Granted
Application number
JP57016276A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0215024B2 (enExample
Inventor
Sakae Sugiyama
栄 杉山
Satoshi Ogura
聰 小倉
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57016276A priority Critical patent/JPS58135450A/ja
Publication of JPS58135450A publication Critical patent/JPS58135450A/ja
Publication of JPH0215024B2 publication Critical patent/JPH0215024B2/ja
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
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • 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
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G01N29/075—Analysing solids by measuring propagation velocity or propagation time of acoustic waves by measuring or comparing phase angle
    • 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
    • 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
    • G01N2291/267—Welds
    • G01N2291/2675—Seam, butt welding

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)
JP57016276A 1982-02-05 1982-02-05 超音波による欠陥識別方法とその装置 Granted JPS58135450A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57016276A JPS58135450A (ja) 1982-02-05 1982-02-05 超音波による欠陥識別方法とその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57016276A JPS58135450A (ja) 1982-02-05 1982-02-05 超音波による欠陥識別方法とその装置

Publications (2)

Publication Number Publication Date
JPS58135450A true JPS58135450A (ja) 1983-08-12
JPH0215024B2 JPH0215024B2 (enExample) 1990-04-10

Family

ID=11912018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57016276A Granted JPS58135450A (ja) 1982-02-05 1982-02-05 超音波による欠陥識別方法とその装置

Country Status (1)

Country Link
JP (1) JPS58135450A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010059688A (ja) * 2008-09-03 2010-03-18 Kyosan Electric Mfg Co Ltd レール破断検査方法及びレール破断検査装置
JP2016024142A (ja) * 2014-07-24 2016-02-08 大同特殊鋼株式会社 丸棒材の超音波探傷方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343586A (en) * 1976-10-01 1978-04-19 Hitachi Ltd Method and apparatus for ultrasonic inspector for dissimilar metals# welded portion
JPS5750655A (en) * 1980-09-11 1982-03-25 Toshiba Corp Ultrasonic flaw detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343586A (en) * 1976-10-01 1978-04-19 Hitachi Ltd Method and apparatus for ultrasonic inspector for dissimilar metals# welded portion
JPS5750655A (en) * 1980-09-11 1982-03-25 Toshiba Corp Ultrasonic flaw detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010059688A (ja) * 2008-09-03 2010-03-18 Kyosan Electric Mfg Co Ltd レール破断検査方法及びレール破断検査装置
JP2016024142A (ja) * 2014-07-24 2016-02-08 大同特殊鋼株式会社 丸棒材の超音波探傷方法

Also Published As

Publication number Publication date
JPH0215024B2 (enExample) 1990-04-10

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