JPH0155414B2 - - Google Patents

Info

Publication number
JPH0155414B2
JPH0155414B2 JP56123046A JP12304681A JPH0155414B2 JP H0155414 B2 JPH0155414 B2 JP H0155414B2 JP 56123046 A JP56123046 A JP 56123046A JP 12304681 A JP12304681 A JP 12304681A JP H0155414 B2 JPH0155414 B2 JP H0155414B2
Authority
JP
Japan
Prior art keywords
square steel
defects
cross
flaw detection
defect
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
Application number
JP56123046A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5824858A (ja
Inventor
Koji Inazaki
Kozo Ozaki
Mitsuo Yoshida
Toshio Tomono
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP56123046A priority Critical patent/JPS5824858A/ja
Publication of JPS5824858A publication Critical patent/JPS5824858A/ja
Publication of JPH0155414B2 publication Critical patent/JPH0155414B2/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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4445—Classification of defects
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/105—Number of transducers two or more emitters, two or more receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP56123046A 1981-08-07 1981-08-07 角鋼における欠陥判定方法 Granted JPS5824858A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56123046A JPS5824858A (ja) 1981-08-07 1981-08-07 角鋼における欠陥判定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56123046A JPS5824858A (ja) 1981-08-07 1981-08-07 角鋼における欠陥判定方法

Publications (2)

Publication Number Publication Date
JPS5824858A JPS5824858A (ja) 1983-02-14
JPH0155414B2 true JPH0155414B2 (de) 1989-11-24

Family

ID=14850864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56123046A Granted JPS5824858A (ja) 1981-08-07 1981-08-07 角鋼における欠陥判定方法

Country Status (1)

Country Link
JP (1) JPS5824858A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008209358A (ja) * 2007-02-28 2008-09-11 Jfe Steel Kk 管体の品質管理方法及び製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617898B2 (ja) * 1988-05-25 1994-03-09 新日本製鐵株式会社 超音波探傷における欠陥種類の判定方法
JP6061077B2 (ja) * 2012-10-29 2017-01-18 株式会社Ihi 超音波探傷方法および装置
JP6061076B2 (ja) * 2012-10-29 2017-01-18 株式会社Ihi 超音波探傷方法および装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438185A (en) * 1977-08-31 1979-03-22 Daido Steel Co Ltd Supersonic crack detecting method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5732444Y2 (de) * 1976-03-26 1982-07-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438185A (en) * 1977-08-31 1979-03-22 Daido Steel Co Ltd Supersonic crack detecting method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008209358A (ja) * 2007-02-28 2008-09-11 Jfe Steel Kk 管体の品質管理方法及び製造方法

Also Published As

Publication number Publication date
JPS5824858A (ja) 1983-02-14

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