SE401406B - Apparat for riktningsoberoende detektering av sprickor i ett magnetiserbart provmaterial medelst magnetiska partiklar - Google Patents

Apparat for riktningsoberoende detektering av sprickor i ett magnetiserbart provmaterial medelst magnetiska partiklar

Info

Publication number
SE401406B
SE401406B SE7310083A SE7310083A SE401406B SE 401406 B SE401406 B SE 401406B SE 7310083 A SE7310083 A SE 7310083A SE 7310083 A SE7310083 A SE 7310083A SE 401406 B SE401406 B SE 401406B
Authority
SE
Sweden
Prior art keywords
cracks
magnetic particles
test material
directive detection
magnetizable
Prior art date
Application number
SE7310083A
Other languages
English (en)
Inventor
H Domon
T Yasuda
K Kawashima
Original Assignee
Nippon Steel Corp
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 JP7271672A external-priority patent/JPS5223757B2/ja
Priority claimed from JP47092970A external-priority patent/JPS4864349A/ja
Priority claimed from JP6668073A external-priority patent/JPS5321669B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of SE401406B publication Critical patent/SE401406B/sv

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

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)
SE7310083A 1972-07-20 1973-07-19 Apparat for riktningsoberoende detektering av sprickor i ett magnetiserbart provmaterial medelst magnetiska partiklar SE401406B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7271672A JPS5223757B2 (sv) 1972-07-20 1972-07-20
JP47092970A JPS4864349A (sv) 1971-12-06 1972-09-18
JP6668073A JPS5321669B2 (sv) 1973-06-13 1973-06-13

Publications (1)

Publication Number Publication Date
SE401406B true SE401406B (sv) 1978-05-02

Family

ID=27299206

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7310083A SE401406B (sv) 1972-07-20 1973-07-19 Apparat for riktningsoberoende detektering av sprickor i ett magnetiserbart provmaterial medelst magnetiska partiklar

Country Status (3)

Country Link
US (1) US3876932A (sv)
DE (1) DE2336677C3 (sv)
SE (1) SE401406B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134367A (en) * 1991-03-19 1992-07-28 The Babcock & Wilcox Company Rotating eddy current roller head for inspecting and profiling tubing having two separate cross wound coils
US5404101A (en) * 1992-02-27 1995-04-04 Logue; Delmar L. Rotary sensing device utilizing a rotating magnetic field within a hollow toroid core
US5754043A (en) * 1993-10-29 1998-05-19 Logue; Delmar L. Driving cores for polar coordinates sensors
FR2780510B1 (fr) * 1998-06-25 2002-05-03 Minh Quang Le Dispositif electromagnetique de controle non destructif permettant la creation des champs magnetiques et des courants de foucault dirigeables
US6888347B2 (en) 2003-09-12 2005-05-03 General Electric Company Omnidirectional eddy current probes, array probes, and inspection systems
WO2009103938A1 (en) * 2008-02-22 2009-08-27 University Of Exeter Controllable magnetic systems
DE102008016255A1 (de) * 2008-03-29 2009-10-01 Illinois Tool Works Inc., Glenview Vorrichtung zur zerstörungsfreien Prüfung ferromagnetischer Werkstücke
US7948233B2 (en) * 2008-10-07 2011-05-24 General Electric Company Omnidirectional eddy current array probes and methods of use
CN101393168B (zh) * 2008-11-10 2011-09-28 盐城东车科技有限公司 一种磁粉探伤装置
EP2383056B1 (en) * 2010-04-28 2016-11-30 Nemak Dillingen GmbH Method and apparatus for a non contact metal sensing device
EP2955514B1 (de) * 2014-06-12 2019-01-09 Helling GmbH Vorrichtung und Verfahren zur zerstörungsfreien Prüfung metallischer Werkstücke
CN105067700B (zh) * 2015-07-27 2018-06-22 洛阳轴承研究所有限公司 一种压下轴承的磁粉探伤方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1129584A (en) * 1914-07-17 1915-02-23 James P B Duffy Magnetic testing device.
US2338793A (en) * 1942-05-07 1944-01-11 Magnetic Analysis Corp Testing apparatus
US3354385A (en) * 1964-04-29 1967-11-21 American Mach & Foundry Electromagnetic inspection system utilizing search coils nested within one another
US3495166A (en) * 1967-04-10 1970-02-10 Magnaflux Corp Eddy current crack detector systems using crossed coils

Also Published As

Publication number Publication date
DE2336677A1 (de) 1974-01-31
DE2336677C3 (de) 1980-04-17
DE2336677B2 (de) 1979-07-19
US3876932A (en) 1975-04-08

Similar Documents

Publication Publication Date Title
SE399597B (sv) Vetskeinspektionsapparat for rekning av materialpartiklar i en provvolym
SE403657B (sv) Forfarande och apparat for partikelanalys
CA984909A (en) Eddy current probe for inspecting weakly magnetic materials
SE401406B (sv) Apparat for riktningsoberoende detektering av sprickor i ett magnetiserbart provmaterial medelst magnetiska partiklar
ZA764982B (en) Process for non-destructive testing by eddy currents and apparatus for carrying out such process
SE383629B (sv) Apparat for stapling av lengder av ferromagnetiskt material
SE390575B (sv) Apparat for transport av tonarepartiklar i en elektrostatisk kopieringsmaskin
DK150995C (da) Fremgangsmaade og apparat til paavisning af faste partikler i en transparent vaeske
ZA708355B (en) Method and apparatus for measuring stresses in ferromagnetic materials
SE386743B (sv) Forfarande for att testa ferromagnetiska kroppar betreffande ytfel medelst magnetpulvermetoden
JPS51126169A (en) Apparatus for measuring shape of colddrolled magnetic material
CA962737A (en) Method and apparatus for determining errors during counting of particles
SE395077B (sv) Apparat med ett magnetiskt symmetrimedianplan for akromatisk magnetisk avbojning av icke monoenergetiska, laddade partiklar
CA939008A (en) Non-destructive testing apparatus for ferromagnetic materials
GB1139704A (en) Method of and apparatus for non-destructive testing of ferromagnetic materials
GB1135827A (en) Method of and apparatus for transporting particulate material to be tested through a testing assembly
NO137852C (no) Apparat for vakuumpakking av artikler i poser
NO137686C (no) Fremgangsmaate og apparat for aa transportere partikler som kan medfoeres av et fluidum
FR2275563A2 (fr) Poudre ferromagnetique pour bandes magnetiques et son procede de preparation
SE388131B (sv) Forfarande och apparat for kontinuerlig vatfinsiktning
JPS52119285A (en) Method of and apparatus for inspecting flaws in lengthened metallic material by magnetism or magnetic induction
IT1058097B (it) Sistema di sospensione in particolare per sonde di macchine di ispezione
SU451029A1 (ru) Устройство дл определени магнитных характеристик ферромагнитных материалов в двух взаимно перепендикул рных пол х
SE405378B (sv) Foerfarande och apparat foer bearbetning av materialbanor
SE389559B (sv) Sett och apparat for att pavisa oregelbundenheter hos ett material