JPS5223391A - Hot surface flaw detection method - Google Patents

Hot surface flaw detection method

Info

Publication number
JPS5223391A
JPS5223391A JP9992875A JP9992875A JPS5223391A JP S5223391 A JPS5223391 A JP S5223391A JP 9992875 A JP9992875 A JP 9992875A JP 9992875 A JP9992875 A JP 9992875A JP S5223391 A JPS5223391 A JP S5223391A
Authority
JP
Japan
Prior art keywords
detection method
flaw detection
hot surface
surface flaw
strobo flash
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
JP9992875A
Other languages
Japanese (ja)
Other versions
JPS5640784B2 (en
Inventor
Seiichi Watanabe
Isamu Ichijima
Kazuo Miyagawa
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 JP9992875A priority Critical patent/JPS5223391A/en
Publication of JPS5223391A publication Critical patent/JPS5223391A/en
Publication of JPS5640784B2 publication Critical patent/JPS5640784B2/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

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)

Abstract

PURPOSE:A detection method of high scanning speeds and high S/N wherein strobo flash is projected to the surface of hot materials for inspection and in synchronization with the strobo flash the detection image of an electronic scanning type photoelectric converter obtained.
JP9992875A 1975-08-18 1975-08-18 Hot surface flaw detection method Granted JPS5223391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9992875A JPS5223391A (en) 1975-08-18 1975-08-18 Hot surface flaw detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9992875A JPS5223391A (en) 1975-08-18 1975-08-18 Hot surface flaw detection method

Publications (2)

Publication Number Publication Date
JPS5223391A true JPS5223391A (en) 1977-02-22
JPS5640784B2 JPS5640784B2 (en) 1981-09-24

Family

ID=14260402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9992875A Granted JPS5223391A (en) 1975-08-18 1975-08-18 Hot surface flaw detection method

Country Status (1)

Country Link
JP (1) JPS5223391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451582A (en) * 1977-09-12 1979-04-23 Usinor Method and device for detecting defects

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134389A (en) * 1973-04-25 1974-12-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134389A (en) * 1973-04-25 1974-12-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451582A (en) * 1977-09-12 1979-04-23 Usinor Method and device for detecting defects
JPH0232575B2 (en) * 1977-09-12 1990-07-20 Yunion Shideryurujiku Deyu Nooru E Do Resuto Do Ra Furansu Usinor

Also Published As

Publication number Publication date
JPS5640784B2 (en) 1981-09-24

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