JPH0423744B2 - - Google Patents

Info

Publication number
JPH0423744B2
JPH0423744B2 JP59030039A JP3003984A JPH0423744B2 JP H0423744 B2 JPH0423744 B2 JP H0423744B2 JP 59030039 A JP59030039 A JP 59030039A JP 3003984 A JP3003984 A JP 3003984A JP H0423744 B2 JPH0423744 B2 JP H0423744B2
Authority
JP
Japan
Prior art keywords
slab
hot
scale
flaw detection
brush
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
JP59030039A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60173445A (ja
Inventor
Akihiko Kusano
Yukio Azuma
Hiroshi Kimoto
Tomoharu Shimogasa
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 JP59030039A priority Critical patent/JPS60173445A/ja
Publication of JPS60173445A publication Critical patent/JPS60173445A/ja
Publication of JPH0423744B2 publication Critical patent/JPH0423744B2/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G01N2021/8918—Metal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Continuous Casting (AREA)
JP59030039A 1984-02-20 1984-02-20 連続鋳造における鋳片の熱間疵検出方法 Granted JPS60173445A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59030039A JPS60173445A (ja) 1984-02-20 1984-02-20 連続鋳造における鋳片の熱間疵検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59030039A JPS60173445A (ja) 1984-02-20 1984-02-20 連続鋳造における鋳片の熱間疵検出方法

Publications (2)

Publication Number Publication Date
JPS60173445A JPS60173445A (ja) 1985-09-06
JPH0423744B2 true JPH0423744B2 (fr) 1992-04-23

Family

ID=12292677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59030039A Granted JPS60173445A (ja) 1984-02-20 1984-02-20 連続鋳造における鋳片の熱間疵検出方法

Country Status (1)

Country Link
JP (1) JPS60173445A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007278916A (ja) * 2006-04-10 2007-10-25 Jfe Steel Kk 鋳片欠陥検査方法及び装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087694A (fr) * 1973-12-06 1975-07-14
JPS6045367B2 (ja) * 1977-04-15 1985-10-09 石川島播磨重工業株式会社 熱間探傷方法
JPS5481890A (en) * 1977-12-13 1979-06-29 Nippon Kokan Kk Surface flaw detector for reddhot metal material

Also Published As

Publication number Publication date
JPS60173445A (ja) 1985-09-06

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