JPH0342789B2 - - Google Patents

Info

Publication number
JPH0342789B2
JPH0342789B2 JP59230971A JP23097184A JPH0342789B2 JP H0342789 B2 JPH0342789 B2 JP H0342789B2 JP 59230971 A JP59230971 A JP 59230971A JP 23097184 A JP23097184 A JP 23097184A JP H0342789 B2 JPH0342789 B2 JP H0342789B2
Authority
JP
Japan
Prior art keywords
signal
flaw detection
defect
closed curves
eddy current
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
JP59230971A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61108960A (ja
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 filed Critical
Priority to JP59230971A priority Critical patent/JPS61108960A/ja
Publication of JPS61108960A publication Critical patent/JPS61108960A/ja
Publication of JPH0342789B2 publication Critical patent/JPH0342789B2/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)
JP59230971A 1984-11-01 1984-11-01 渦流探傷試験における欠陥信号の抽出方法 Granted JPS61108960A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59230971A JPS61108960A (ja) 1984-11-01 1984-11-01 渦流探傷試験における欠陥信号の抽出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59230971A JPS61108960A (ja) 1984-11-01 1984-11-01 渦流探傷試験における欠陥信号の抽出方法

Publications (2)

Publication Number Publication Date
JPS61108960A JPS61108960A (ja) 1986-05-27
JPH0342789B2 true JPH0342789B2 (US06346242-20020212-C00066.png) 1991-06-28

Family

ID=16916189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59230971A Granted JPS61108960A (ja) 1984-11-01 1984-11-01 渦流探傷試験における欠陥信号の抽出方法

Country Status (1)

Country Link
JP (1) JPS61108960A (US06346242-20020212-C00066.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2853745B2 (ja) * 1989-04-12 1999-02-03 株式会社日立製作所 光検出電気泳動装置
JP5615631B2 (ja) * 2010-08-30 2014-10-29 東日本旅客鉄道株式会社 渦電流探傷方法と渦電流探傷装置
CN108169323A (zh) * 2017-12-28 2018-06-15 爱德森（厦门）电子有限公司 一种异形结构工件涡流信号的处理方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492296A (en) * 1977-12-15 1979-07-21 Babcock & Wilcox Co Detecting of injury within tube near adjacent element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492296A (en) * 1977-12-15 1979-07-21 Babcock & Wilcox Co Detecting of injury within tube near adjacent element

Also Published As

Publication number Publication date
JPS61108960A (ja) 1986-05-27

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