GB2256713B - Eddy current flaw size detecting probe - Google Patents

Eddy current flaw size detecting probe

Info

Publication number
GB2256713B
GB2256713B GB9118715A GB9118715A GB2256713B GB 2256713 B GB2256713 B GB 2256713B GB 9118715 A GB9118715 A GB 9118715A GB 9118715 A GB9118715 A GB 9118715A GB 2256713 B GB2256713 B GB 2256713B
Authority
GB
United Kingdom
Prior art keywords
eddy current
current flaw
size detecting
detecting probe
flaw size
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 - Lifetime
Application number
GB9118715A
Other versions
GB2256713A (en
GB9118715D0 (en
Inventor
Frank Philip Lund
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.)
Millstrong Ltd
Original Assignee
Millstrong Ltd
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 GB919112546A external-priority patent/GB9112546D0/en
Priority claimed from GB919117307A external-priority patent/GB9117307D0/en
Application filed by Millstrong Ltd filed Critical Millstrong Ltd
Publication of GB9118715D0 publication Critical patent/GB9118715D0/en
Priority to DE69233065T priority Critical patent/DE69233065D1/en
Priority to EP92305314A priority patent/EP0518635B1/en
Priority to US07/897,120 priority patent/US5864229A/en
Priority to NO92922298A priority patent/NO922298L/en
Publication of GB2256713A publication Critical patent/GB2256713A/en
Publication of GB2256713B publication Critical patent/GB2256713B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors
GB9118715A 1991-06-11 1991-08-30 Eddy current flaw size detecting probe Expired - Lifetime GB2256713B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP92305314A EP0518635B1 (en) 1991-06-11 1992-06-10 Probe
DE69233065T DE69233065D1 (en) 1991-06-11 1992-06-10 probe
US07/897,120 US5864229A (en) 1991-06-11 1992-06-11 Eddy current probe system and method for determining the midpoint and depth of a discontinuity
NO92922298A NO922298L (en) 1991-06-11 1992-06-11 PROBE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919112546A GB9112546D0 (en) 1991-06-11 1991-06-11 Probe
GB919117307A GB9117307D0 (en) 1991-08-09 1991-08-09 Probe

Publications (3)

Publication Number Publication Date
GB9118715D0 GB9118715D0 (en) 1991-10-16
GB2256713A GB2256713A (en) 1992-12-16
GB2256713B true GB2256713B (en) 1993-08-18

Family

ID=26299051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9118715A Expired - Lifetime GB2256713B (en) 1991-06-11 1991-08-30 Eddy current flaw size detecting probe

Country Status (1)

Country Link
GB (1) GB2256713B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292223B (en) * 1991-12-20 1996-06-26 Millstrong Ltd Position measurement
CA2076205C (en) * 1992-08-14 1999-04-20 Valentino S. Cecco Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units
GB2278199B (en) * 1993-05-08 1997-07-23 Roke Manor Research Improvements in or relating to conductive object detectors
GB0820930D0 (en) * 2008-11-17 2008-12-24 Dvs Techology Ltd Coating thickness measurement
CN110333284B (en) * 2019-08-02 2022-12-16 兰州理工大学 Series type plane eddy current sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6193949A (en) * 1984-10-15 1986-05-12 Hitachi Ltd Eddy current inspecting device
GB2186372A (en) * 1986-02-03 1987-08-12 Atomic Energy Authority Uk Eddy current testing
US4808927A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized receiver coil
GB8826817D0 (en) * 1988-11-16 1988-12-21 Nat Nuclear Corp Ltd Eddy current non-destructive examination
GB2233763B (en) * 1989-07-07 1994-06-15 Univ Essex Non-destructive testing of metals

Also Published As

Publication number Publication date
GB2256713A (en) 1992-12-16
GB9118715D0 (en) 1991-10-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20110829