CA2312101C - Detection sur le terrain de la corrosion dans une structure multicouche, fondee sur le point d'intersection de decollement - Google Patents

Detection sur le terrain de la corrosion dans une structure multicouche, fondee sur le point d'intersection de decollement Download PDF

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Publication number
CA2312101C
CA2312101C CA 2312101 CA2312101A CA2312101C CA 2312101 C CA2312101 C CA 2312101C CA 2312101 CA2312101 CA 2312101 CA 2312101 A CA2312101 A CA 2312101A CA 2312101 C CA2312101 C CA 2312101C
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Canada
Prior art keywords
transducer
magnetic flux
area
lift
corrosion
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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 - Fee Related
Application number
CA 2312101
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English (en)
Other versions
CA2312101A1 (fr
Inventor
Sylvain R. Giguere
Stephane J. M. Dubois
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Minister of National Defence of Canada
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Minister of National Defence of Canada
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Publication date
Application filed by Minister of National Defence of Canada filed Critical Minister of National Defence of Canada
Priority to CA 2312101 priority Critical patent/CA2312101C/fr
Publication of CA2312101A1 publication Critical patent/CA2312101A1/fr
Application granted granted Critical
Publication of CA2312101C publication Critical patent/CA2312101C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
    • 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA 2312101 2000-06-22 2000-06-22 Detection sur le terrain de la corrosion dans une structure multicouche, fondee sur le point d'intersection de decollement Expired - Fee Related CA2312101C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2312101 CA2312101C (fr) 2000-06-22 2000-06-22 Detection sur le terrain de la corrosion dans une structure multicouche, fondee sur le point d'intersection de decollement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2312101 CA2312101C (fr) 2000-06-22 2000-06-22 Detection sur le terrain de la corrosion dans une structure multicouche, fondee sur le point d'intersection de decollement

Publications (2)

Publication Number Publication Date
CA2312101A1 CA2312101A1 (fr) 2001-12-22
CA2312101C true CA2312101C (fr) 2004-01-06

Family

ID=4166538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2312101 Expired - Fee Related CA2312101C (fr) 2000-06-22 2000-06-22 Detection sur le terrain de la corrosion dans une structure multicouche, fondee sur le point d'intersection de decollement

Country Status (1)

Country Link
CA (1) CA2312101C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109444257A (zh) * 2018-11-26 2019-03-08 中国矿业大学 一种基于频域提离交叉点的脉冲涡流检测装置及方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2450112B (en) 2007-06-12 2010-12-08 Ge Inspection Technologies Ltd Automatic lift-off compensation for pulsed eddy current inspection
US20240118240A1 (en) * 2021-02-09 2024-04-11 Evident Canada, Inc. Lift-off compensated eddy current system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109444257A (zh) * 2018-11-26 2019-03-08 中国矿业大学 一种基于频域提离交叉点的脉冲涡流检测装置及方法
CN109444257B (zh) * 2018-11-26 2020-11-10 中国矿业大学 一种基于频域提离交叉点的脉冲涡流检测装置及方法

Also Published As

Publication number Publication date
CA2312101A1 (fr) 2001-12-22

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