CA984909A - Eddy current probe for inspecting weakly magnetic materials - Google Patents

Eddy current probe for inspecting weakly magnetic materials

Info

Publication number
CA984909A
CA984909A CA183,404A CA183404A CA984909A CA 984909 A CA984909 A CA 984909A CA 183404 A CA183404 A CA 183404A CA 984909 A CA984909 A CA 984909A
Authority
CA
Canada
Prior art keywords
inspecting
eddy current
magnetic materials
current probe
weakly magnetic
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
CA183,404A
Other languages
English (en)
Other versions
CA183404S (en
Inventor
Valentino S. Cecco
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atomic Energy of Canada Ltd AECL
Original Assignee
Atomic Energy of Canada Ltd AECL
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 Atomic Energy of Canada Ltd AECL filed Critical Atomic Energy of Canada Ltd AECL
Priority to CA183,404A priority Critical patent/CA984909A/en
Priority to US05/492,457 priority patent/US3952315A/en
Priority to GB4295274A priority patent/GB1448417A/en
Priority to JP49116000A priority patent/JPS6132619B2/ja
Priority to DE2448153A priority patent/DE2448153C3/de
Priority to FR7434517A priority patent/FR2247726B1/fr
Priority to IT70050/74A priority patent/IT1024582B/it
Application granted granted Critical
Publication of CA984909A publication Critical patent/CA984909A/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
    • G01N27/9006—Details, e.g. in the structure or functioning of 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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA183,404A 1973-10-15 1973-10-15 Eddy current probe for inspecting weakly magnetic materials Expired CA984909A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA183,404A CA984909A (en) 1973-10-15 1973-10-15 Eddy current probe for inspecting weakly magnetic materials
US05/492,457 US3952315A (en) 1973-10-15 1974-07-29 Eddy current discontinuity probe utilizing a permanent magnet bobbin with at least one A.C. energized coil mounted in a groove thereon
GB4295274A GB1448417A (en) 1973-10-15 1974-10-03 Eddy current probe
JP49116000A JPS6132619B2 (it) 1973-10-15 1974-10-08
DE2448153A DE2448153C3 (de) 1973-10-15 1974-10-09 Wirbelstromsonde zur Innenuntersuchung von Rohren aus ferromagnetischen Materialien
FR7434517A FR2247726B1 (it) 1973-10-15 1974-10-14
IT70050/74A IT1024582B (it) 1973-10-15 1974-10-14 Sonda rivelatrice di corrente vorticosa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA183,404A CA984909A (en) 1973-10-15 1973-10-15 Eddy current probe for inspecting weakly magnetic materials

Publications (1)

Publication Number Publication Date
CA984909A true CA984909A (en) 1976-03-02

Family

ID=4098100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,404A Expired CA984909A (en) 1973-10-15 1973-10-15 Eddy current probe for inspecting weakly magnetic materials

Country Status (7)

Country Link
US (1) US3952315A (it)
JP (1) JPS6132619B2 (it)
CA (1) CA984909A (it)
DE (1) DE2448153C3 (it)
FR (1) FR2247726B1 (it)
GB (1) GB1448417A (it)
IT (1) IT1024582B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188577A (en) * 1975-12-11 1980-02-12 Magnetic Analysis Corporation Pulse eddy current testing apparatus for magnetic materials, particularly tubes
JPS53116783U (it) * 1977-02-22 1978-09-16
DE2746568A1 (de) * 1977-10-17 1979-04-26 Kraftwerk Union Ag Wirbelstrompruefsonde zur pruefung ferromagnetischer werkstoffe
DE2837486C3 (de) * 1978-08-28 1985-10-10 Kraftwerk Union AG, 4330 Mülheim Sonde zur Wirbelstromprüfung von Rohren
JPS55101044A (en) * 1979-01-29 1980-08-01 Denshi Jiki Kogyo Kk Flaw detector
CA1201481A (en) * 1982-10-22 1986-03-04 Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited/L'energie Atomique Du Canada Limitee Eddy current probe with defect-noise discrimination
JPH0643991B2 (ja) * 1985-05-30 1994-06-08 株式会社検査技研 管内部移動・芯出し用治具
JPS6259860U (it) * 1985-10-02 1987-04-14
US4808927A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized receiver coil
US4808924A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils
US4855676A (en) * 1987-05-06 1989-08-08 Atomic Energy Of Canada Limited Ferromagnetic eddy current probe having transmit and receive coil assemblies
FR2651040A1 (fr) * 1989-08-21 1991-02-22 Controle Mesure Systemes Sa Sonde a courants de foucault pour le controle de profiles creux en matiere ferromagnetique
CA2076205C (en) * 1992-08-14 1999-04-20 Valentino S. Cecco Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units
US5336997A (en) * 1992-09-21 1994-08-09 Virginia Tech Intellectual Properties, Inc. Non-symmetrical inductive sensors having ferrite coil geometries with different top and base geometries
US5504424A (en) * 1993-05-28 1996-04-02 Durakool, Inc. Variable reluctance sensor utilizing a magnetic bobbin
US5670878A (en) * 1993-06-21 1997-09-23 Atlantic Richfield Company Inspecting a conductive object with a steady state magnetic field and induced eddy current
WO2001046939A1 (en) 1999-12-20 2001-06-28 Connor Henry Moncrieff O Method for generating and displaying complex data utilizing color-coded signals
US6768298B2 (en) * 2001-07-17 2004-07-27 Transportation Technology Center, Inc. Transverse crack detection in rail head using low frequency eddy currents
WO2010101882A1 (en) * 2009-03-02 2010-09-10 Isp Investments Inc. Thermosetting ring-opening metathesis polymerization materials with thermally degradable linkages
SG174227A1 (en) * 2009-03-11 2011-10-28 Sumitomo Chemical Co Eddy current flaw detection probe
JP5851783B2 (ja) 2011-09-27 2016-02-03 三菱重工業株式会社 渦電流探傷用プローブ
JP6200638B2 (ja) * 2012-09-06 2017-09-20 住友化学株式会社 渦流探傷用プローブおよび渦流探傷検査装置
CN108828056B (zh) * 2018-06-21 2023-07-25 中国矿业大学(北京) 钢丝绳的检测装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766353A (en) * 1953-04-15 1957-01-23 Kronprinz Ag Improvements in and relating to non-destructive testing of ferromagnetic workpieces
US2955253A (en) * 1956-03-07 1960-10-04 Ici Ltd Flaw detection
CA653719A (en) * 1957-09-09 1962-12-11 Imperial Chemical Industries Limited Probe device for flaw detection
GB936033A (en) * 1960-01-18 1963-09-04 Accles & Pollock Ltd Method of, and means for detecting defects in elongated metallic objects
GB1231641A (it) * 1968-02-13 1971-05-12

Also Published As

Publication number Publication date
GB1448417A (en) 1976-09-08
FR2247726A1 (it) 1975-05-09
JPS5067692A (it) 1975-06-06
IT1024582B (it) 1978-07-20
US3952315A (en) 1976-04-20
DE2448153A1 (de) 1975-04-24
DE2448153B2 (de) 1980-02-21
FR2247726B1 (it) 1976-10-22
DE2448153C3 (de) 1980-10-23
JPS6132619B2 (it) 1986-07-28

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