JPH0240976B2 - - Google Patents

Info

Publication number
JPH0240976B2
JPH0240976B2 JP59226907A JP22690784A JPH0240976B2 JP H0240976 B2 JPH0240976 B2 JP H0240976B2 JP 59226907 A JP59226907 A JP 59226907A JP 22690784 A JP22690784 A JP 22690784A JP H0240976 B2 JPH0240976 B2 JP H0240976B2
Authority
JP
Japan
Prior art keywords
flaw detection
inspected
transducers
weld seam
ultrasonic flaw
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.)
Expired - Lifetime
Application number
JP59226907A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61105460A (ja
Inventor
Jun Kubota
Soji Sasaki
Masayuki Watabiki
Mitsuo Koshirae
Akitaka Fujita
Mamoru Okada
Shinichi Shimizu
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
Tokyo Gas Co Ltd
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Engineering Co Ltd Ibaraki
Hitachi Ltd
Tokyo Gas 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 Hitachi Engineering Co Ltd Ibaraki, Hitachi Ltd, Tokyo Gas Co Ltd filed Critical Hitachi Engineering Co Ltd Ibaraki
Priority to JP59226907A priority Critical patent/JPS61105460A/ja
Publication of JPS61105460A publication Critical patent/JPS61105460A/ja
Publication of JPH0240976B2 publication Critical patent/JPH0240976B2/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
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • 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)
  • Acoustics & Sound (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)
JP59226907A 1984-10-30 1984-10-30 超音波探傷方法とそのプロ−ブ Granted JPS61105460A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59226907A JPS61105460A (ja) 1984-10-30 1984-10-30 超音波探傷方法とそのプロ−ブ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59226907A JPS61105460A (ja) 1984-10-30 1984-10-30 超音波探傷方法とそのプロ−ブ

Publications (2)

Publication Number Publication Date
JPS61105460A JPS61105460A (ja) 1986-05-23
JPH0240976B2 true JPH0240976B2 (enExample) 1990-09-14

Family

ID=16852464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59226907A Granted JPS61105460A (ja) 1984-10-30 1984-10-30 超音波探傷方法とそのプロ−ブ

Country Status (1)

Country Link
JP (1) JPS61105460A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5310484A (en) * 1976-07-16 1978-01-30 Nippon Steel Corp Surface wave and ultrasonic flaw detection
JPS6239323Y2 (enExample) * 1980-10-24 1987-10-07

Also Published As

Publication number Publication date
JPS61105460A (ja) 1986-05-23

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