BE830330A - Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiques - Google Patents

Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiques

Info

Publication number
BE830330A
BE830330A BE157407A BE157407A BE830330A BE 830330 A BE830330 A BE 830330A BE 157407 A BE157407 A BE 157407A BE 157407 A BE157407 A BE 157407A BE 830330 A BE830330 A BE 830330A
Authority
BE
Belgium
Prior art keywords
ferromagnetic materials
anomalies
measuring
measuring anomalies
ferromagnetic
Prior art date
Application number
BE157407A
Other languages
English (en)
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 BE830330A publication Critical patent/BE830330A/xx

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
    • 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

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)
  • Measuring Magnetic Variables (AREA)
BE157407A 1974-06-17 1975-06-17 Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiques BE830330A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48012774A 1974-06-17 1974-06-17

Publications (1)

Publication Number Publication Date
BE830330A true BE830330A (fr) 1975-12-17

Family

ID=23906771

Family Applications (1)

Application Number Title Priority Date Filing Date
BE157407A BE830330A (fr) 1974-06-17 1975-06-17 Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiques

Country Status (6)

Country Link
JP (1) JPS5114091A (xx)
BE (1) BE830330A (xx)
DE (1) DE2526978A1 (xx)
FR (1) FR2274917A1 (xx)
GB (1) GB1498218A (xx)
SE (1) SE408732B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2746618C2 (de) * 1977-10-15 1986-01-30 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen Verfahren und Einrichtung zur Prüfung von langgestrecktem metallischem Prüfgut auf Fehler
CA1208291A (en) * 1981-05-11 1986-07-22 Thomas R. Schmidt Method and apparatus for detecting flaws in tubular metallic members
WO1983000561A1 (en) * 1981-07-28 1983-02-17 Melgui, Mikhail, Aleksandrovich Method and device for electromagnetic control of mechanical properties of moving ferromagnetic object
DE3152919C2 (de) * 1981-07-28 1987-09-17 Inst Prikladnoj Fiz Akademii N Verfahren und Vorrichtung zur magnetischen Pr}fungmechanischer Eigenschaften
US4503393A (en) * 1981-10-05 1985-03-05 Exxon Production Research Co. Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor
US4510447A (en) * 1981-10-26 1985-04-09 Exxon Production Research Co. Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe
SE456864B (sv) * 1986-08-27 1988-11-07 Toernbloms Kvalitetskontroll Anordning foer att vid virvelstroemsprovning av omagnetiska provobjekt detektera och undertrycka inverkan av stoerande magnetiska omraaden
EP0801304B1 (en) * 1995-10-31 2001-10-10 Nkk Corporation Magnetic flaw detection apparatus
ES2367295B1 (es) * 2010-02-03 2012-09-04 La Farga Lacambra, S.A.U Método y sistema de detección de partículas ferromagnéticas embebidas en materiales no ferromagnéticos por variación del campo magnético.
CN103901099B (zh) * 2014-04-29 2016-06-15 国电科学技术研究院 铁磁性锅炉钢管涡流自动检测装置及其方法
CN110006992B (zh) * 2019-03-28 2023-05-02 仓信无损检测设备苏州有限公司 穿过式涡流传感器及检测方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714558A (en) * 1970-09-02 1973-01-30 Anglo Amer Corp South Africa Magnetic sensor for detecting breaks in a steel rope including multiplier for eliminating noise

Also Published As

Publication number Publication date
FR2274917B1 (xx) 1978-12-08
SE408732B (sv) 1979-07-02
DE2526978A1 (de) 1976-01-02
JPS5114091A (en) 1976-02-04
GB1498218A (en) 1978-01-18
FR2274917A1 (fr) 1976-01-09
SE7506881L (sv) 1975-12-18

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