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
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)
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)
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)
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 |
SE444079B (sv) * | 1977-11-22 | 1986-03-17 | British Steel Corp | Apparat for kontroll av ytan hos ett langstreckt metallforemal |
-
1980
- 1980-02-16 DE DE3005915A patent/DE3005915C2/de not_active Expired
-
1981
- 1981-02-04 FR FR8102162A patent/FR2476318A1/fr active Granted
- 1981-02-12 IT IT19687/81A patent/IT1135435B/it active
- 1981-02-13 GB GB8104508A patent/GB2069708A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3005915C2 (de) | 1985-01-10 |
DE3005915A1 (de) | 1981-08-27 |
FR2476318B1 (it) | 1984-07-13 |
FR2476318A1 (fr) | 1981-08-21 |
IT1135435B (it) | 1986-08-20 |
GB2069708A (en) | 1981-08-26 |
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