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GB2224575B - Electromagnetic microscope - Google Patents

Electromagnetic microscope

Info

Publication number
GB2224575B
GB2224575B GB8825886A GB8825886A GB2224575B GB 2224575 B GB2224575 B GB 2224575B GB 8825886 A GB8825886 A GB 8825886A GB 8825886 A GB8825886 A GB 8825886A GB 2224575 B GB2224575 B GB 2224575B
Authority
GB
United Kingdom
Prior art keywords
electromagnetic microscope
microscope
electromagnetic
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 - Fee Related
Application number
GB8825886A
Other versions
GB2224575A (en
GB8825886D0 (en
Inventor
David Anthony Topp
Martin Christopher Lugg
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.)
TSC Subsea Ltd
Original Assignee
Technical Software Consultants 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
Application filed by Technical Software Consultants Ltd filed Critical Technical Software Consultants Ltd
Priority to GB8825886A priority Critical patent/GB2224575B/en
Publication of GB8825886D0 publication Critical patent/GB8825886D0/en
Publication of GB2224575A publication Critical patent/GB2224575A/en
Application granted granted Critical
Publication of GB2224575B publication Critical patent/GB2224575B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01N27/9073—Recording measured data
    • G01N27/908—Recording measured data synchronously with scanning

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)
GB8825886A 1988-11-04 1988-11-04 Electromagnetic microscope Expired - Fee Related GB2224575B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8825886A GB2224575B (en) 1988-11-04 1988-11-04 Electromagnetic microscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8825886A GB2224575B (en) 1988-11-04 1988-11-04 Electromagnetic microscope

Publications (3)

Publication Number Publication Date
GB8825886D0 GB8825886D0 (en) 1988-12-07
GB2224575A GB2224575A (en) 1990-05-09
GB2224575B true GB2224575B (en) 1993-07-14

Family

ID=10646335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825886A Expired - Fee Related GB2224575B (en) 1988-11-04 1988-11-04 Electromagnetic microscope

Country Status (1)

Country Link
GB (1) GB2224575B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233763B (en) * 1989-07-07 1994-06-15 Univ Essex Non-destructive testing of metals
DE69233065D1 (en) * 1991-06-11 2003-06-26 Newt Holdings Ltd probe
IT1254251B (en) * 1992-03-11 1995-09-14 Eniricerche Spa DEVICE AND PROCEDURE FOR THE MONITORING AND LOCALIZATION OF DEFECTS AND RELEASES OF THE PROTECTIVE COATING OF UNDERGROUNDED OR IMMERSED METALLIC PIPES OR STRUCTURES
US5444372A (en) * 1992-07-22 1995-08-22 Biomagnetic Technologies, Inc. Magnetometer and method of measuring a magnetic field
DE4310893C2 (en) * 1993-04-02 1995-05-04 Bosch Gmbh Robert Process and test probe for non-destructive testing of the surfaces of electrically conductive materials
GB2289338A (en) * 1994-04-12 1995-11-15 Unvala Ltd Alternating current potential drop measurement
US6400146B1 (en) 2000-09-12 2002-06-04 Her Majesty The Queen In Right Of Canada As Represented By The Ministry Of Natural Resources Sensor head for ACFM based crack detection

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081244A2 (en) * 1981-12-08 1983-06-15 Bethlehem Steel Corporation Automatic nondestructive roll defect inspection system
EP0107844A2 (en) * 1982-10-21 1984-05-09 Chugoku X-Ray Co., Ltd. Eddy-current defect-detecting system for metal tubes
EP0165051A2 (en) * 1984-06-15 1985-12-18 Westinghouse Electric Corporation Color display of related parameters
EP0165761A2 (en) * 1984-06-15 1985-12-27 Westinghouse Electric Corporation Method and apparatus for displaying eddy current detector data
EP0219477A1 (en) * 1985-10-18 1987-04-22 Asea Ab Apparatus for examining the surface of a test piece
US4683419A (en) * 1984-09-21 1987-07-28 Interatom Gmbh Method and apparatus for detecting faults in a structure by measuring voltage drop between surface points thereof
GB2192993A (en) * 1986-07-23 1988-01-27 Gen Electric Eddy current surface mapping system
EP0258548A2 (en) * 1986-06-24 1988-03-09 Westinghouse Electric Corporation Machine implemented analysis of eddy current data
EP0332048A2 (en) * 1988-03-11 1989-09-13 Westinghouse Electric Corporation Multiple coil eddy current probe and method of flaw detection

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081244A2 (en) * 1981-12-08 1983-06-15 Bethlehem Steel Corporation Automatic nondestructive roll defect inspection system
EP0107844A2 (en) * 1982-10-21 1984-05-09 Chugoku X-Ray Co., Ltd. Eddy-current defect-detecting system for metal tubes
EP0165051A2 (en) * 1984-06-15 1985-12-18 Westinghouse Electric Corporation Color display of related parameters
EP0165761A2 (en) * 1984-06-15 1985-12-27 Westinghouse Electric Corporation Method and apparatus for displaying eddy current detector data
US4683419A (en) * 1984-09-21 1987-07-28 Interatom Gmbh Method and apparatus for detecting faults in a structure by measuring voltage drop between surface points thereof
EP0219477A1 (en) * 1985-10-18 1987-04-22 Asea Ab Apparatus for examining the surface of a test piece
EP0258548A2 (en) * 1986-06-24 1988-03-09 Westinghouse Electric Corporation Machine implemented analysis of eddy current data
GB2192993A (en) * 1986-07-23 1988-01-27 Gen Electric Eddy current surface mapping system
EP0332048A2 (en) * 1988-03-11 1989-09-13 Westinghouse Electric Corporation Multiple coil eddy current probe and method of flaw detection

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Data acquisition for experimental verification of an eddy current model for 3 dimension inversion. *
IEEE Transactions on Magnetics, Vol MAG-23, September 1987, pages 3789-3791, Nyenhuis et al [cont] *

Also Published As

Publication number Publication date
GB2224575A (en) 1990-05-09
GB8825886D0 (en) 1988-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991104