JPH0522841B2 - - Google Patents

Info

Publication number
JPH0522841B2
JPH0522841B2 JP59102047A JP10204784A JPH0522841B2 JP H0522841 B2 JPH0522841 B2 JP H0522841B2 JP 59102047 A JP59102047 A JP 59102047A JP 10204784 A JP10204784 A JP 10204784A JP H0522841 B2 JPH0522841 B2 JP H0522841B2
Authority
JP
Japan
Prior art keywords
radiation
defect
image
steel pipe
reference gauge
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
JP59102047A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60244843A (ja
Inventor
Hideki Teraoka
Akio Aoki
Toshio Fujita
Toyokichi Kimura
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP59102047A priority Critical patent/JPS60244843A/ja
Publication of JPS60244843A publication Critical patent/JPS60244843A/ja
Publication of JPH0522841B2 publication Critical patent/JPH0522841B2/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
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/18—Investigating the presence of flaws defects or foreign matter

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)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP59102047A 1984-05-21 1984-05-21 放射線透過試験機用基準ゲ−ジ Granted JPS60244843A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59102047A JPS60244843A (ja) 1984-05-21 1984-05-21 放射線透過試験機用基準ゲ−ジ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59102047A JPS60244843A (ja) 1984-05-21 1984-05-21 放射線透過試験機用基準ゲ−ジ

Publications (2)

Publication Number Publication Date
JPS60244843A JPS60244843A (ja) 1985-12-04
JPH0522841B2 true JPH0522841B2 (enrdf_load_stackoverflow) 1993-03-30

Family

ID=14316852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59102047A Granted JPS60244843A (ja) 1984-05-21 1984-05-21 放射線透過試験機用基準ゲ−ジ

Country Status (1)

Country Link
JP (1) JPS60244843A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO308630B1 (no) * 1996-09-19 2000-10-02 Norske Stats Oljeselskap System for inspeksjon av rørledninger

Also Published As

Publication number Publication date
JPS60244843A (ja) 1985-12-04

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