AT196150B - Anordnung zum Feststellen von Rissen und verborgenen Fehlern an Rohren und Stäben aus ferromagnetischem Material - Google Patents

Anordnung zum Feststellen von Rissen und verborgenen Fehlern an Rohren und Stäben aus ferromagnetischem Material

Info

Publication number
AT196150B
AT196150B AT196150DA AT196150B AT 196150 B AT196150 B AT 196150B AT 196150D A AT196150D A AT 196150DA AT 196150 B AT196150 B AT 196150B
Authority
AT
Austria
Prior art keywords
cracks
tubes
arrangement
detection
ferromagnetic material
Prior art date
Application number
Other languages
English (en)
Inventor
Zdenek Ing Frank
Original Assignee
Zdenek Ing Frank
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 Zdenek Ing Frank filed Critical Zdenek Ing Frank
Application granted granted Critical
Publication of AT196150B publication Critical patent/AT196150B/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G01N27/87Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using probes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating 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
    • G01N27/9013Arrangements for scanning
    • G01N27/902Arrangements for scanning by moving the sensors

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)
AT196150D 1956-03-01 1956-03-01 Anordnung zum Feststellen von Rissen und verborgenen Fehlern an Rohren und Stäben aus ferromagnetischem Material AT196150B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT196150T 1956-03-01

Publications (1)

Publication Number Publication Date
AT196150B true AT196150B (de) 1958-02-25

Family

ID=3667265

Family Applications (1)

Application Number Title Priority Date Filing Date
AT196150D AT196150B (de) 1956-03-01 1956-03-01 Anordnung zum Feststellen von Rissen und verborgenen Fehlern an Rohren und Stäben aus ferromagnetischem Material

Country Status (1)

Country Link
AT (1) AT196150B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582771A (en) * 1968-09-11 1971-06-01 Amf Inc Movable inspection device with fluid pressure operated retractors mounted on a rotating member

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582771A (en) * 1968-09-11 1971-06-01 Amf Inc Movable inspection device with fluid pressure operated retractors mounted on a rotating member

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