AT371605B - POWDER FOR DISPLAYING FAULTS ON THE SURFACE OF MAGNETIZABLE WORKPIECES - Google Patents

POWDER FOR DISPLAYING FAULTS ON THE SURFACE OF MAGNETIZABLE WORKPIECES

Info

Publication number
AT371605B
AT371605B AT0911675A AT911675A AT371605B AT 371605 B AT371605 B AT 371605B AT 0911675 A AT0911675 A AT 0911675A AT 911675 A AT911675 A AT 911675A AT 371605 B AT371605 B AT 371605B
Authority
AT
Austria
Prior art keywords
powder
displaying faults
magnetizable workpieces
magnetizable
workpieces
Prior art date
Application number
AT0911675A
Other languages
German (de)
Other versions
ATA911675A (en
Original Assignee
Oerlikon Buehrle Schweisstech
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
Priority claimed from CH1640474A external-priority patent/CH585404A5/en
Priority claimed from CH631175A external-priority patent/CH594884A5/en
Application filed by Oerlikon Buehrle Schweisstech filed Critical Oerlikon Buehrle Schweisstech
Publication of ATA911675A publication Critical patent/ATA911675A/en
Application granted granted Critical
Publication of AT371605B publication Critical patent/AT371605B/en

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
    • G01N27/83—Investigating 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
    • G01N27/84—Investigating 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 by applying magnetic powder or magnetic ink
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0832—Metals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Sampling And Sample Adjustment (AREA)
AT0911675A 1974-12-10 1975-12-01 POWDER FOR DISPLAYING FAULTS ON THE SURFACE OF MAGNETIZABLE WORKPIECES AT371605B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1640474A CH585404A5 (en) 1974-12-10 1974-12-10 Detection of surface faults in magnetisable material - by applying solvent to ferromagnetic powder coating including pigment and lacquer
CH631175A CH594884A5 (en) 1975-05-16 1975-05-16 Detection of surface faults in magnetisable material

Publications (2)

Publication Number Publication Date
ATA911675A ATA911675A (en) 1982-11-15
AT371605B true AT371605B (en) 1983-07-11

Family

ID=25699340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0911675A AT371605B (en) 1974-12-10 1975-12-01 POWDER FOR DISPLAYING FAULTS ON THE SURFACE OF MAGNETIZABLE WORKPIECES

Country Status (11)

Country Link
JP (1) JPS5821700B2 (en)
AT (1) AT371605B (en)
DE (1) DE2554492A1 (en)
ES (1) ES443043A1 (en)
FR (1) FR2294442A1 (en)
GB (1) GB1527745A (en)
IT (1) IT1048695B (en)
LU (1) LU73956A1 (en)
NL (1) NL7514367A (en)
NO (1) NO144583C (en)
SE (1) SE420952B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341997A (en) 1979-11-14 1982-07-27 Magnaflux Corporation Magnetic particle inspection process useable with simultaneous illumination by ultra-violet and white light

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2244362A1 (en) * 1972-09-09 1974-05-30 Albert Lauber Kg Dr MAGNETIC POWDER TEST SUBSTANCE

Also Published As

Publication number Publication date
NO144583C (en) 1981-09-23
SE420952B (en) 1981-11-09
ATA911675A (en) 1982-11-15
GB1527745A (en) 1978-10-11
FR2294442B1 (en) 1982-02-19
NL7514367A (en) 1976-06-14
NO754130L (en) 1976-06-11
LU73956A1 (en) 1976-07-01
NO144583B (en) 1981-06-15
FR2294442A1 (en) 1976-07-09
IT1048695B (en) 1980-12-20
DE2554492A1 (en) 1976-06-16
JPS5821700B2 (en) 1983-05-02
ES443043A1 (en) 1977-04-01
JPS5184285A (en) 1976-07-23
SE7513843L (en) 1976-06-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee