JPS5236085A - Method of detecting surface flaws of metal materials - Google Patents

Method of detecting surface flaws of metal materials

Info

Publication number
JPS5236085A
JPS5236085A JP11195375A JP11195375A JPS5236085A JP S5236085 A JPS5236085 A JP S5236085A JP 11195375 A JP11195375 A JP 11195375A JP 11195375 A JP11195375 A JP 11195375A JP S5236085 A JPS5236085 A JP S5236085A
Authority
JP
Japan
Prior art keywords
metal materials
detecting surface
surface flaws
turbulence
testing
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
JP11195375A
Other languages
Japanese (ja)
Other versions
JPS5819057B2 (en
Inventor
Masaru Fukuyama
Yoshitoshi Nishikawa
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 JP11195375A priority Critical patent/JPS5819057B2/en
Publication of JPS5236085A publication Critical patent/JPS5236085A/en
Publication of JPS5819057B2 publication Critical patent/JPS5819057B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/72—Investigating presence of flaws

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)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

PURPOSE:The surfaces of metal material to be subjected to testing by linear induction heating are heated at a rate that can neglect heat transfer radiation, and any surface flaw can be readily detected from the turbulence of induction current.
JP11195375A 1975-09-16 1975-09-16 How to get rid of the scars Expired JPS5819057B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11195375A JPS5819057B2 (en) 1975-09-16 1975-09-16 How to get rid of the scars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11195375A JPS5819057B2 (en) 1975-09-16 1975-09-16 How to get rid of the scars

Publications (2)

Publication Number Publication Date
JPS5236085A true JPS5236085A (en) 1977-03-19
JPS5819057B2 JPS5819057B2 (en) 1983-04-15

Family

ID=14574284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11195375A Expired JPS5819057B2 (en) 1975-09-16 1975-09-16 How to get rid of the scars

Country Status (1)

Country Link
JP (1) JPS5819057B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04344854A (en) * 1991-05-17 1992-12-01 Nippon Steel Corp Tundish for continuous casting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04344854A (en) * 1991-05-17 1992-12-01 Nippon Steel Corp Tundish for continuous casting

Also Published As

Publication number Publication date
JPS5819057B2 (en) 1983-04-15

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