CA1293024C - Sonde ferromagnetique a courant de foucault - Google Patents

Sonde ferromagnetique a courant de foucault

Info

Publication number: CA1293024C
Authority: CA; Canada
Prior art keywords: coil assembly; magnet; eddy current; magnets; receive coil
Prior art date: 1988-03-21
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 - Lifetime

Application number

CA000562014A

Other languages

English (en)

Inventor

Valentino S. Cecco

Jon R. Carter

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.)

Canada, Represented By Minister Of Atomic Energy Of Canada AS

Original Assignee

Canada, Represented By Minister Of Atomic Energy Of Canada AS

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.)

1988-03-21

Filing date

1988-03-21

Publication date

1991-12-10

1988-03-21 Application filed by Canada, Represented By Minister Of Atomic Energy Of Canada AS filed Critical Canada, Represented By Minister Of Atomic Energy Of Canada AS

1988-03-21 Priority to CA000562014A priority Critical patent/CA1293024C/fr

1991-12-10 Application granted granted Critical

1991-12-10 Publication of CA1293024C publication Critical patent/CA1293024C/fr

2008-12-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000000523 sample Substances 0.000 title claims abstract description 46
230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 14
230000000712 assembly Effects 0.000 claims abstract description 4
238000000429 assembly Methods 0.000 claims abstract description 4
238000009738 saturating Methods 0.000 claims abstract 2
230000005291 magnetic effect Effects 0.000 claims description 21
235000012771 pancakes Nutrition 0.000 claims description 9
239000003302 ferromagnetic material Substances 0.000 claims description 7
230000007547 defect Effects 0.000 abstract description 14
238000012360 testing method Methods 0.000 description 15
239000000463 material Substances 0.000 description 7
230000035699 permeability Effects 0.000 description 7
230000007423 decrease Effects 0.000 description 4
230000004907 flux Effects 0.000 description 4
239000000696 magnetic material Substances 0.000 description 4
238000000034 method Methods 0.000 description 4
238000007689 inspection Methods 0.000 description 3
230000035945 sensitivity Effects 0.000 description 3
238000001514 detection method Methods 0.000 description 2
239000002184 metal Substances 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000010935 stainless steel Substances 0.000 description 2
229910001220 stainless steel Inorganic materials 0.000 description 2
229910000975 Carbon steel Inorganic materials 0.000 description 1
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
229910000792 Monel Inorganic materials 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000010962 carbon steel Substances 0.000 description 1
238000013461 design Methods 0.000 description 1
230000005672 electromagnetic field Effects 0.000 description 1
238000007716 flux method Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000005457 optimization Methods 0.000 description 1
230000035515 penetration Effects 0.000 description 1
238000009877 rendering Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1

Landscapes

Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

CA000562014A 1988-03-21 1988-03-21 Sonde ferromagnetique a courant de foucault Expired - Lifetime CA1293024C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000562014A CA1293024C (fr)	1988-03-21	1988-03-21	Sonde ferromagnetique a courant de foucault

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000562014A CA1293024C (fr)	1988-03-21	1988-03-21	Sonde ferromagnetique a courant de foucault

Publications (1)

Publication Number	Publication Date
CA1293024C true CA1293024C (fr)	1991-12-10

Family

ID=4137694

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000562014A Expired - Lifetime CA1293024C (fr)	1988-03-21	1988-03-21	Sonde ferromagnetique a courant de foucault

Country Status (1)

Country	Link
CA (1)	CA1293024C (fr)

1988
- 1988-03-21 CA CA000562014A patent/CA1293024C/fr not_active Expired - Lifetime

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Legal Events

Date	Code	Title	Description
2008-12-10	MKEX	Expiry
2023-05-26	MKEX	Expiry	Effective date: 20081210