BE816941A - METHOD AND DEVICE FOR EDD CURRENT DETECTION OF A CHANGE IN MAGNETIC BEHAVIOR OF A MATERIAL - Google Patents

METHOD AND DEVICE FOR EDD CURRENT DETECTION OF A CHANGE IN MAGNETIC BEHAVIOR OF A MATERIAL

Info

Publication number
BE816941A
BE816941A BE1006049A BE1006049A BE816941A BE 816941 A BE816941 A BE 816941A BE 1006049 A BE1006049 A BE 1006049A BE 1006049 A BE1006049 A BE 1006049A BE 816941 A BE816941 A BE 816941A
Authority
BE
Belgium
Prior art keywords
change
current detection
magnetic behavior
edd current
edd
Prior art date
Application number
BE1006049A
Other languages
French (fr)
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
Publication of BE816941A publication Critical patent/BE816941A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1223—Measuring permeability, i.e. permeameters
    • 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
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
BE1006049A 1973-06-29 1974-06-27 METHOD AND DEVICE FOR EDD CURRENT DETECTION OF A CHANGE IN MAGNETIC BEHAVIOR OF A MATERIAL BE816941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7323821A FR2235372B1 (en) 1973-06-29 1973-06-29

Publications (1)

Publication Number Publication Date
BE816941A true BE816941A (en) 1974-12-27

Family

ID=9121754

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1006049A BE816941A (en) 1973-06-29 1974-06-27 METHOD AND DEVICE FOR EDD CURRENT DETECTION OF A CHANGE IN MAGNETIC BEHAVIOR OF A MATERIAL

Country Status (6)

Country Link
JP (1) JPS5038571A (en)
BE (1) BE816941A (en)
DE (1) DE2431040A1 (en)
FR (1) FR2235372B1 (en)
GB (1) GB1468852A (en)
IT (1) IT1015419B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722108Y2 (en) * 1976-06-02 1982-05-13
DE3120522C2 (en) * 1981-05-22 1985-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Procedure for the determination of material properties
EP0146638B1 (en) * 1983-06-15 1989-03-22 Nippon Steel Corporation Method for measuring transformation rate
GB2146435B (en) * 1983-09-07 1987-02-18 Atomic Energy Authority Uk Temperature control during annealing
IT1199159B (en) * 1984-07-13 1988-12-30 Centro Speriment Metallurg PROBE FOR THE CONTROL OF SURFACE DEFECTS OF HIGH TEMPERATURE METAL BODIES
IT1182103B (en) * 1985-12-20 1987-09-30 Centro Speriment Metallurg DEVICE FOR THE DETECTION OF PHASE TRANSFORMATIONS IN METALS AND ALLOYS
CN111879847B (en) * 2017-07-18 2023-04-07 中国石油化工股份有限公司 Magnetic flux leakage detection method and detection device

Also Published As

Publication number Publication date
IT1015419B (en) 1977-05-10
FR2235372A1 (en) 1975-01-24
DE2431040A1 (en) 1975-01-30
JPS5038571A (en) 1975-04-10
FR2235372B1 (en) 1978-12-29
GB1468852A (en) 1977-03-30

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