IT1236868B - Apparato e metodo di prove non distruttive per determinare irregolari-ta' di una parte mediante misura di correnti parassite - Google Patents

Apparato e metodo di prove non distruttive per determinare irregolari-ta' di una parte mediante misura di correnti parassite

Info

Publication number
IT1236868B
IT1236868B IT8721097A IT2109787A IT1236868B IT 1236868 B IT1236868 B IT 1236868B IT 8721097 A IT8721097 A IT 8721097A IT 2109787 A IT2109787 A IT 2109787A IT 1236868 B IT1236868 B IT 1236868B
Authority
IT
Italy
Prior art keywords
measurement
destructive tests
edge currents
determining irregular
irregular
Prior art date
Application number
IT8721097A
Other languages
English (en)
Other versions
IT8721097A0 (it
Inventor
Engmin James Chern
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8721097A0 publication Critical patent/IT8721097A0/it
Application granted granted Critical
Publication of IT1236868B publication Critical patent/IT1236868B/it

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
    • G01N27/9046—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Molecular Biology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
IT8721097A 1986-07-23 1987-06-29 Apparato e metodo di prove non distruttive per determinare irregolari-ta' di una parte mediante misura di correnti parassite IT1236868B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/887,303 US4755753A (en) 1986-07-23 1986-07-23 Eddy current surface mapping system for flaw detection

Publications (2)

Publication Number Publication Date
IT8721097A0 IT8721097A0 (it) 1987-06-29
IT1236868B true IT1236868B (it) 1993-04-26

Family

ID=25390866

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8721097A IT1236868B (it) 1986-07-23 1987-06-29 Apparato e metodo di prove non distruttive per determinare irregolari-ta' di una parte mediante misura di correnti parassite

Country Status (6)

Country Link
US (1) US4755753A (it)
JP (1) JPS6381262A (it)
DE (1) DE3723609A1 (it)
FR (1) FR2602053B1 (it)
GB (1) GB2192993B (it)
IT (1) IT1236868B (it)

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Also Published As

Publication number Publication date
JPS6381262A (ja) 1988-04-12
GB8715369D0 (en) 1987-08-05
IT8721097A0 (it) 1987-06-29
DE3723609A1 (de) 1988-01-28
FR2602053A1 (fr) 1988-01-29
GB2192993B (en) 1990-06-27
US4755753A (en) 1988-07-05
FR2602053B1 (fr) 1994-04-29
GB2192993A (en) 1988-01-27

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