CA1133067A - Eddy current mapping probe and method of operating same - Google Patents

Eddy current mapping probe and method of operating same

Info

Publication number
CA1133067A
CA1133067A CA345,691A CA345691A CA1133067A CA 1133067 A CA1133067 A CA 1133067A CA 345691 A CA345691 A CA 345691A CA 1133067 A CA1133067 A CA 1133067A
Authority
CA
Canada
Prior art keywords
probe
eddy current
axis
coils
coil
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
CA345,691A
Other languages
English (en)
French (fr)
Inventor
Leonard R. Golick
Frank W. Cooper, Jr.
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1133067A publication Critical patent/CA1133067A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • 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
    • 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
    • G01N27/904—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 with two or more sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Leads Or Probes (AREA)
CA345,691A 1979-03-19 1980-02-14 Eddy current mapping probe and method of operating same Expired CA1133067A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US021,652 1979-03-19
US06/021,652 US4325026A (en) 1979-03-19 1979-03-19 Plural coil eddy current mapping probe

Publications (1)

Publication Number Publication Date
CA1133067A true CA1133067A (en) 1982-10-05

Family

ID=21805417

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345,691A Expired CA1133067A (en) 1979-03-19 1980-02-14 Eddy current mapping probe and method of operating same

Country Status (9)

Country Link
US (1) US4325026A (en])
EP (1) EP0016638B1 (en])
JP (2) JPS55128105A (en])
KR (1) KR830002166B1 (en])
AR (1) AR223865A1 (en])
CA (1) CA1133067A (en])
DE (1) DE3065108D1 (en])
ES (1) ES489708A0 (en])
PH (1) PH17211A (en])

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3381095D1 (de) * 1982-05-13 1990-02-15 Weidmueller C A Gmbh Co Induktive messanordnung bzw. sensoranordnung und verwendung derselben.
GB8304330D0 (en) * 1983-02-16 1983-03-23 Howell M I Electromagnetic surveying of pipes and cables
US4864239A (en) * 1983-12-05 1989-09-05 General Electric Company Cylindrical bearing inspection
DE3411898A1 (de) * 1984-03-30 1985-10-10 Kraftwerk Union AG, 4330 Mülheim Verfahren zur pruefung von metallischen bauteilen, insbesondere kerntechnischer anlagen, mittels wirbelstrom
DE3420330C1 (de) * 1984-05-30 1985-12-05 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Induktiver Sensor und Verfahren zur beruehrungslosen,dreidimensionalen Positionserfassung von Loechern,Bohrungen,Bolzen,Niete u.ae. in bzw. an Metallteilen mittels eines solchen Sensors
US4814702A (en) * 1984-05-31 1989-03-21 Westinghouse Electric Corp. Process for accurately determining the position of the edges of support plates in steam generators
US4704577A (en) * 1986-04-18 1987-11-03 Westinghouse Electric Corp. Eddy currents probe for measuring a gap between a tube and an antivibration bar
US4855677A (en) * 1988-03-11 1989-08-08 Westinghouse Electric Corp. Multiple coil eddy current probe and method of flaw detection
GB8825977D0 (en) * 1988-11-07 1988-12-14 Atomic Energy Authority Uk Eddy current testing system
US5068608A (en) * 1989-10-30 1991-11-26 Westinghouse Electric Corp. Multiple coil eddy current probe system and method for determining the length of a discontinuity
EP0518635B1 (en) * 1991-06-11 2003-05-21 Newt Holdings Limited Probe
US5265129A (en) * 1992-04-08 1993-11-23 R. Brooks Associates, Inc. Support plate inspection device
US5305356B1 (en) * 1992-05-14 1998-09-01 Brooks Support Systems Inc Inspection device
US5429009A (en) * 1993-05-20 1995-07-04 Carnegie Mellon University Robot with cruciform geometry
US7159287B2 (en) * 2001-02-20 2007-01-09 Batesville Services, Inc. Memorialization casket
US7214941B2 (en) * 2004-12-16 2007-05-08 The Gillette Company Crack detection in razor blades
US9310338B2 (en) * 2010-10-14 2016-04-12 Halliburton Energy Services, Inc. Method for measuring remote field eddy current thickness in multiple tubular configuration
CN112941882B (zh) * 2021-01-28 2022-12-06 合肥市贵谦信息科技有限公司 一种熔喷布的处理机构及处理方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103256A (en) * 1934-09-04 1937-12-28 Pittsburgh Dry Stencil Company Method of and means for testing staybolts
US2104643A (en) * 1934-12-13 1938-01-04 Pittsburgh Dry Stencil Company Method of testing and apparatus therefor
US2104646A (en) * 1935-06-20 1938-01-04 Pittsburgh Dry Stencil Company Means for testing
US2782365A (en) * 1950-04-27 1957-02-19 Perforating Guns Atlas Corp Electrical logging apparatus
DE1004387B (de) * 1955-08-29 1957-03-14 Siemens Ag Einrichtung zur induktiven Messung des Radial- oder Axialspieles rotierender Maschinen, insbesondere von Dampfturbinen
US3004215A (en) * 1958-01-27 1961-10-10 Shell Oil Co Magnetic testing device
US3050678A (en) * 1958-11-04 1962-08-21 Shell Oil Co Magnetic testing system for metallic bodies
US3401332A (en) * 1963-11-12 1968-09-10 Magnaflux Corp Magnetic leakage field and eddy current flaw detection system
US3417325A (en) * 1968-02-15 1968-12-17 Ira J. Mccullough Inside pipe diameter caliper using coaxial excitation and pickup coils
US3543144A (en) * 1968-09-23 1970-11-24 American Mach & Foundry Magnetic inspection apparatus for well pipe utilizing detector shoes with outriggers and magnetic latching means for said shoes
US3611119A (en) * 1969-05-19 1971-10-05 Combustion Eng Method for measuring the ferrite content of a material
US3693075A (en) * 1969-11-15 1972-09-19 Forster F M O Eddy current system for testing tubes for defects,eccentricity,and wall thickness
US3916302A (en) * 1973-11-12 1975-10-28 Combustion Eng Multi-coil eddy current probe for determining angular location of irregularity in cylindrical test member
JPS51103463A (ja) * 1975-03-10 1976-09-13 Toyoda Machine Works Ltd Anasokuteisochi
CA1014226A (en) 1975-06-12 1977-07-19 Valentino S. Cecco Circumferentially differentiating multiple coil eddy current probe
JPS5237464A (en) * 1975-09-20 1977-03-23 Nippon Kokan Kk <Nkk> Method of measuring bore distribution of pipe
GB1567600A (en) * 1975-10-15 1980-05-21 British Gas Corp Lipe line inspection equipment
JPS5818603B2 (ja) * 1975-11-07 1983-04-14 コウアセキユ カブシキガイシヤ フシヨクソンモウドケンシユツソウチ
US4095181A (en) * 1976-12-17 1978-06-13 The Boeing Company Rotating pot shaped eddy current probe in which only a small fraction of the lip forming the outer core portion is retained
US4204159A (en) * 1978-04-18 1980-05-20 Johnson Duane P Eddy-current test probe with segmented circumferential test gap and method for inspection of materials

Also Published As

Publication number Publication date
EP0016638A2 (en) 1980-10-01
JPS55128105A (en) 1980-10-03
JPS6442402U (en]) 1989-03-14
DE3065108D1 (en) 1983-11-10
PH17211A (en) 1984-06-19
AR223865A1 (es) 1981-09-30
KR830002351A (ko) 1983-05-28
EP0016638A3 (en) 1980-11-12
KR830002166B1 (ko) 1983-10-17
US4325026A (en) 1982-04-13
ES8502260A1 (es) 1984-12-16
EP0016638B1 (en) 1983-10-05
ES489708A0 (es) 1984-12-16

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Legal Events

Date Code Title Description
MKEX Expiry