IT8119687A0 - Apparecchio di controllo dei difetti superficiali a correnti parassite. - Google Patents

Apparecchio di controllo dei difetti superficiali a correnti parassite.

Info

Publication number
IT8119687A0
IT8119687A0 IT8119687A IT1968781A IT8119687A0 IT 8119687 A0 IT8119687 A0 IT 8119687A0 IT 8119687 A IT8119687 A IT 8119687A IT 1968781 A IT1968781 A IT 1968781A IT 8119687 A0 IT8119687 A0 IT 8119687A0
Authority
IT
Italy
Prior art keywords
eddish
currents
equipment
surface defects
testing surface
Prior art date
Application number
IT8119687A
Other languages
English (en)
Other versions
IT1135435B (it
Inventor
Hens Jurgen Henrich
Original Assignee
Skf Kugellagerfabriken Gmbh
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 Skf Kugellagerfabriken Gmbh filed Critical Skf Kugellagerfabriken Gmbh
Publication of IT8119687A0 publication Critical patent/IT8119687A0/it
Application granted granted Critical
Publication of IT1135435B publication Critical patent/IT1135435B/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
    • G01N27/9053—Compensating for probe to workpiece spacing
    • 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)
IT19687/81A 1980-02-16 1981-02-12 Apparecchio di controllo dei difetti superficiali a correnti parassite IT1135435B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3005915A DE3005915C2 (de) 1980-02-16 1980-02-16 Wirbelstromprüfgerät für Oberflächenfehler

Publications (2)

Publication Number Publication Date
IT8119687A0 true IT8119687A0 (it) 1981-02-12
IT1135435B IT1135435B (it) 1986-08-20

Family

ID=6094846

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19687/81A IT1135435B (it) 1980-02-16 1981-02-12 Apparecchio di controllo dei difetti superficiali a correnti parassite

Country Status (4)

Country Link
DE (1) DE3005915C2 (it)
FR (1) FR2476318A1 (it)
GB (1) GB2069708A (it)
IT (1) IT1135435B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141234B (en) * 1983-06-07 1986-11-12 Mo Energeticheskij Institut Eddy-current flaw detector
DE3824948A1 (de) * 1988-07-22 1990-01-25 Fiz Energet I An Latvssr Wirbelstrom-einrichtung zur zerstoerungsfreien pruefung
DE4003330A1 (de) * 1990-02-05 1991-08-08 Foerster Inst Dr Friedrich Wirbelstrompruefgeraet
JP2008089328A (ja) 2006-09-29 2008-04-17 Hitachi Ltd 渦電流探傷装置及び渦電流探傷方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB596182A (en) * 1945-07-24 1947-12-30 British Thomson Houston Co Ltd Improvements relating to apparatus for detecting flaws in metal wire
GB870487A (en) * 1958-01-24 1961-06-14 Republic Steel Corp Flaw detecting device
DE2049486A1 (de) * 1969-10-10 1971-04-22 Automation Ind Inc Material Prüfgerät
AU3837372A (en) * 1971-02-01 1973-08-02 Automation Industries, Inc Eddy current nondestructive testing system
GB1475517A (en) * 1974-06-27 1977-06-01 British Steel Corp Detection of surface defects in elongate metallic members
US4095180A (en) * 1975-12-29 1978-06-13 K. J. Law Engineers, Inc. Method and apparatus for testing conductivity using eddy currents
DE2850433A1 (de) * 1977-11-22 1979-05-23 British Steel Corp Vorrichtung zum auffinden von oberflaechenfehlern an werkstuecken

Also Published As

Publication number Publication date
FR2476318B1 (it) 1984-07-13
FR2476318A1 (fr) 1981-08-21
IT1135435B (it) 1986-08-20
DE3005915C2 (de) 1985-01-10
GB2069708A (en) 1981-08-26
DE3005915A1 (de) 1981-08-27

Similar Documents

Publication Publication Date Title
IT8123634A0 (it) Apparecchio di rilevamento adattativo dei guasti negli azionatori di un aeromobile.
JPS5310495A (en) Autmated method for immunity testing
ATE29595T1 (de) Pruefverfahren.
ATE5287T1 (de) Apparat zum gleichzeitigen anschliessen von mehreren leitern.
FI850047L (fi) Hushaolls- eller koeksapparat.
IT8024636A0 (it) Apparecchiatura di prova.
JPS52146682A (en) Surface inspecting apparatus
GB2036983B (en) Diode faults detecting apparatus
RO84099A (ro) Procedeu pentru obtinerea 1,2,5-o0adiazol-2-o0izilor
IT8119687A0 (it) Apparecchio di controllo dei difetti superficiali a correnti parassite.
NO821271L (no) Redskap for seiling med skoeyter etc.
IT8168073A0 (it) Sonda per correnti parassite superficiali
JPS52153487A (en) Defect detecting method
DE3579619D1 (de) Medium zum citrat-verwendungstest.
DE2953191A1 (de) Surface defect detector for steel member
IT1129835B (it) Apparecchio per la lucidatura dei pezzi mediante barilatura
JPS5367878A (en) Device for inspecting electrode
DE68907836D1 (de) Verfahren zum testen der leiterfilmqualitaet.
JPS5384788A (en) Nonndestructive inspection for voltageecontrolled block
FI841974A0 (fi) Magnetisk testningsanordning.
SU643261A1 (ru) Устройство дл автоматической сварки под слоем флюса
JPS52146291A (en) Liquid penetrant testing
NO800831L (no) Apparat for navigering etter mikrokart.
JPS52143877A (en) Chuck for highhtemperature fatigue test
NO814358L (no) Proevetager for pap-utstryk fra t-sonen.