IT1015419B - Metodo e dispositivo per la rive lazione mediante correnti di fou cault di un cambiamento di compor tamento magnetico di un materiale - Google Patents

Metodo e dispositivo per la rive lazione mediante correnti di fou cault di un cambiamento di compor tamento magnetico di un materiale

Info

Publication number
IT1015419B
IT1015419B IT24449/74A IT2444974A IT1015419B IT 1015419 B IT1015419 B IT 1015419B IT 24449/74 A IT24449/74 A IT 24449/74A IT 2444974 A IT2444974 A IT 2444974A IT 1015419 B IT1015419 B IT 1015419B
Authority
IT
Italy
Prior art keywords
cault
fou
currents
detection
change
Prior art date
Application number
IT24449/74A
Other languages
English (en)
Italian (it)
Inventor
G Labbe
C Maeder
Original Assignee
Siderurgie Fse Inst Rech
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 Siderurgie Fse Inst Rech filed Critical Siderurgie Fse Inst Rech
Application granted granted Critical
Publication of IT1015419B publication Critical patent/IT1015419B/it

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)
IT24449/74A 1973-06-29 1974-06-25 Metodo e dispositivo per la rive lazione mediante correnti di fou cault di un cambiamento di compor tamento magnetico di un materiale IT1015419B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1015419B true IT1015419B (it) 1977-05-10

Family

ID=9121754

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24449/74A IT1015419B (it) 1973-06-29 1974-06-25 Metodo e dispositivo per la rive lazione mediante correnti di fou cault di un cambiamento di compor tamento magnetico di un materiale

Country Status (6)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722108Y2 (es) * 1976-06-02 1982-05-13
DE3120522C2 (de) * 1981-05-22 1985-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur Bestimmung von Werkstoffeigenschaften
DE3477423D1 (en) * 1983-06-15 1989-04-27 Nippon Steel Corp Method for measuring transformation rate
GB2146435B (en) * 1983-09-07 1987-02-18 Atomic Energy Authority Uk Temperature control during annealing
IT1199159B (it) * 1984-07-13 1988-12-30 Centro Speriment Metallurg Sonda per il controllo dei difetti superficiali di corpi metallici ad alta temperatura
IT1182103B (it) * 1985-12-20 1987-09-30 Centro Speriment Metallurg Dispositivo per il rilevamento delle trasformazioni di fase nei metalli e nelle leghe
CN111879847B (zh) * 2017-07-18 2023-04-07 中国石油化工股份有限公司 一种漏磁检测方法及检测装置

Also Published As

Publication number Publication date
DE2431040A1 (de) 1975-01-30
BE816941A (fr) 1974-12-27
FR2235372B1 (es) 1978-12-29
FR2235372A1 (es) 1975-01-24
GB1468852A (en) 1977-03-30
JPS5038571A (es) 1975-04-10

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