JPS6314907B2 - - Google Patents

Info

Publication number
JPS6314907B2
JPS6314907B2 JP56092224A JP9222481A JPS6314907B2 JP S6314907 B2 JPS6314907 B2 JP S6314907B2 JP 56092224 A JP56092224 A JP 56092224A JP 9222481 A JP9222481 A JP 9222481A JP S6314907 B2 JPS6314907 B2 JP S6314907B2
Authority
JP
Japan
Prior art keywords
detection
temperature
signal
metal material
output
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
JP56092224A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57207858A (en
Inventor
Takao Sugimoto
Seiichi Watanabe
Yukyoshi Kato
Hisanori Shiraishi
Toshuki Koike
Masaaki Nakajima
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.)
Hitachi Ltd
Nippon Steel Corp
Original Assignee
Hitachi Ltd
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 Hitachi Ltd, Nippon Steel Corp filed Critical Hitachi Ltd
Priority to JP56092224A priority Critical patent/JPS57207858A/ja
Publication of JPS57207858A publication Critical patent/JPS57207858A/ja
Publication of JPS6314907B2 publication Critical patent/JPS6314907B2/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP56092224A 1981-06-17 1981-06-17 Hot flaw detecting method of metallic material Granted JPS57207858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56092224A JPS57207858A (en) 1981-06-17 1981-06-17 Hot flaw detecting method of metallic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56092224A JPS57207858A (en) 1981-06-17 1981-06-17 Hot flaw detecting method of metallic material

Publications (2)

Publication Number Publication Date
JPS57207858A JPS57207858A (en) 1982-12-20
JPS6314907B2 true JPS6314907B2 (fr) 1988-04-02

Family

ID=14048463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56092224A Granted JPS57207858A (en) 1981-06-17 1981-06-17 Hot flaw detecting method of metallic material

Country Status (1)

Country Link
JP (1) JPS57207858A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10229735A1 (de) * 2002-07-02 2004-01-22 rinas Gerätetechnik GmbH Verfahren zum Erkennen und Lokalisieren von Materialfehlern
JP6374751B2 (ja) * 2014-10-02 2018-08-15 アンリツインフィビス株式会社 金属検出機
FR3087270A1 (fr) * 2018-10-16 2020-04-17 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede et dispositif de controle de la qualite d'un lit de poudres dans les procedes de fabrication additive
JP7269141B2 (ja) * 2019-09-11 2023-05-08 株式会社テイエルブイ プローブ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841463B2 (ja) * 1976-02-27 1983-09-12 三菱重工業株式会社 渦電流探傷方式

Also Published As

Publication number Publication date
JPS57207858A (en) 1982-12-20

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