GB1266645A - - Google Patents

Info

Publication number
GB1266645A
GB1266645A GB1266645DA GB1266645A GB 1266645 A GB1266645 A GB 1266645A GB 1266645D A GB1266645D A GB 1266645DA GB 1266645 A GB1266645 A GB 1266645A
Authority
GB
United Kingdom
Prior art keywords
july
objects
surface defects
defects
elektrophysik
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
Application number
Other languages
English (en)
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 GB1266645A publication Critical patent/GB1266645A/en
Expired 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB1266645D 1969-07-26 1970-07-24 Expired GB1266645A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691938107 DE1938107C3 (de) 1969-07-26 1969-07-26 Streuflußprüfverfahren für magnetisierbares Material

Publications (1)

Publication Number Publication Date
GB1266645A true GB1266645A (enrdf_load_stackoverflow) 1972-03-15

Family

ID=5741024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266645D Expired GB1266645A (enrdf_load_stackoverflow) 1969-07-26 1970-07-24

Country Status (4)

Country Link
JP (1) JPS5031033B1 (enrdf_load_stackoverflow)
DE (1) DE1938107C3 (enrdf_load_stackoverflow)
FR (1) FR2053185B1 (enrdf_load_stackoverflow)
GB (1) GB1266645A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309905A (en) * 1979-12-26 1982-01-12 Maizenberg Mikhail I Method for detecting non-uniformities of magnetic materials and device for effecting same
DE3128825C2 (de) * 1981-07-21 1985-04-18 Nukem Gmbh, 6450 Hanau Vorrichtung zur zerstörungsfreien Prüfung von ferromagnetischen Materialien
US4497209A (en) * 1983-07-12 1985-02-05 Southwest Research Institute Nondestructive testing of stress in a ferromagnetic structural material utilizing magnetically induced velocity change measurements
DE3421404A1 (de) * 1984-06-08 1985-12-12 Mecapec S.A., Schmerikon Verfahren und vorrichtungen zur feststellung von oberflaechenfehlern an stabfoermigem, ferromagnetischem gut
PL148290B1 (en) * 1985-03-05 1989-10-31 Wyzsza Szkola Pedagog Magnetic defectograph sensing element for determining changes in cross-sectional areas over substantial length of an object being examined
DE3515977A1 (de) * 1985-05-03 1986-11-06 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper

Also Published As

Publication number Publication date
FR2053185B1 (enrdf_load_stackoverflow) 1973-04-27
DE1938107A1 (de) 1971-01-28
DE1938107C3 (de) 1979-09-06
FR2053185A1 (enrdf_load_stackoverflow) 1971-04-16
DE1938107B2 (de) 1979-01-11
JPS5031033B1 (enrdf_load_stackoverflow) 1975-10-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee