IT1177991B - Sonda industriale di tipo differenziale ad una sola bobina per il controllo non distruttivo di prodotti siderurgici - Google Patents

Sonda industriale di tipo differenziale ad una sola bobina per il controllo non distruttivo di prodotti siderurgici

Info

Publication number
IT1177991B
IT1177991B IT48901/84A IT4890184A IT1177991B IT 1177991 B IT1177991 B IT 1177991B IT 48901/84 A IT48901/84 A IT 48901/84A IT 4890184 A IT4890184 A IT 4890184A IT 1177991 B IT1177991 B IT 1177991B
Authority
IT
Italy
Prior art keywords
single coil
steel products
differential type
destructive control
industrial probe
Prior art date
Application number
IT48901/84A
Other languages
English (en)
Other versions
IT8448901A0 (it
IT8448901A1 (it
Inventor
Federico Monti
Original Assignee
Centro Speriment Metallurg
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 Centro Speriment Metallurg filed Critical Centro Speriment Metallurg
Priority to IT48901/84A priority Critical patent/IT1177991B/it
Publication of IT8448901A0 publication Critical patent/IT8448901A0/it
Priority to GB08522491A priority patent/GB2169080A/en
Priority to NL8502529A priority patent/NL8502529A/nl
Priority to DE19853533311 priority patent/DE3533311A1/de
Priority to FR8514067A priority patent/FR2570828A1/fr
Priority to BE6/48142A priority patent/BE903300A/fr
Publication of IT8448901A1 publication Critical patent/IT8448901A1/it
Application granted granted Critical
Publication of IT1177991B publication Critical patent/IT1177991B/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

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)
IT48901/84A 1984-09-25 1984-09-25 Sonda industriale di tipo differenziale ad una sola bobina per il controllo non distruttivo di prodotti siderurgici IT1177991B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT48901/84A IT1177991B (it) 1984-09-25 1984-09-25 Sonda industriale di tipo differenziale ad una sola bobina per il controllo non distruttivo di prodotti siderurgici
GB08522491A GB2169080A (en) 1984-09-25 1985-09-11 Measurement system for the detection of defects in electrically conductive material
NL8502529A NL8502529A (nl) 1984-09-25 1985-09-16 Meetstelsel voor niet-destructief onderzoek van staalprodukten.
DE19853533311 DE3533311A1 (de) 1984-09-25 1985-09-18 Differentialsonde mit einer einzigen spule fuer zerstoerungsfreie pruefung von eisen- und stahlprodukten
FR8514067A FR2570828A1 (fr) 1984-09-25 1985-09-23 Sonde industrielle de type differentiel a bobine unique pour le controle non destructif de produits siderurgiques
BE6/48142A BE903300A (fr) 1984-09-25 1985-09-24 Sonde industrielle de type differentiel a bobine unique pour le controle non destructif de produits siderurgiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48901/84A IT1177991B (it) 1984-09-25 1984-09-25 Sonda industriale di tipo differenziale ad una sola bobina per il controllo non distruttivo di prodotti siderurgici

Publications (3)

Publication Number Publication Date
IT8448901A0 IT8448901A0 (it) 1984-09-25
IT8448901A1 IT8448901A1 (it) 1986-03-25
IT1177991B true IT1177991B (it) 1987-09-03

Family

ID=11268965

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48901/84A IT1177991B (it) 1984-09-25 1984-09-25 Sonda industriale di tipo differenziale ad una sola bobina per il controllo non distruttivo di prodotti siderurgici

Country Status (6)

Country Link
BE (1) BE903300A (it)
DE (1) DE3533311A1 (it)
FR (1) FR2570828A1 (it)
GB (1) GB2169080A (it)
IT (1) IT1177991B (it)
NL (1) NL8502529A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003330A1 (de) * 1990-02-05 1991-08-08 Foerster Inst Dr Friedrich Wirbelstrompruefgeraet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1475517A (en) * 1974-06-27 1977-06-01 British Steel Corp Detection of surface defects in elongate metallic members
US4194149A (en) * 1977-12-15 1980-03-18 The Babcock & Wilcox Company Method for generating the eddy current signature of a flaw in a tube proximate a contiguous member which obscures the flaw signal
US4383218A (en) * 1978-12-29 1983-05-10 The Boeing Company Eddy current flow detection including compensation for system variables such as lift-off
DE3065151D1 (en) * 1980-06-27 1983-11-10 Foerster Inst Dr Friedrich Method and apparatus for testing a metallic test piece
FR2512959A1 (fr) * 1981-09-14 1983-03-18 Commissariat Energie Atomique Procede et dispositifs de controle d'une surface au moyen d'un capteur a courants de foucault

Also Published As

Publication number Publication date
IT8448901A0 (it) 1984-09-25
IT8448901A1 (it) 1986-03-25
BE903300A (fr) 1986-01-16
FR2570828A1 (fr) 1986-03-28
GB8522491D0 (en) 1985-10-16
GB2169080A (en) 1986-07-02
NL8502529A (nl) 1986-04-16
DE3533311A1 (de) 1986-03-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941212