DE3130685A1 - Wirbelstrom-oberflaechensonde - Google Patents
Wirbelstrom-oberflaechensondeInfo
- Publication number
- DE3130685A1 DE3130685A1 DE19813130685 DE3130685A DE3130685A1 DE 3130685 A1 DE3130685 A1 DE 3130685A1 DE 19813130685 DE19813130685 DE 19813130685 DE 3130685 A DE3130685 A DE 3130685A DE 3130685 A1 DE3130685 A1 DE 3130685A1
- Authority
- DE
- Germany
- Prior art keywords
- coil
- probe
- coils
- lift
- probe according
- 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.)
- Withdrawn
Links
- 239000000523 sample Substances 0.000 title claims description 38
- 230000007547 defect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920004943 Delrin® Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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 |
|---|---|---|---|
| CA000359392A CA1158314A (en) | 1980-08-18 | 1980-08-18 | Eddy current surface probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3130685A1 true DE3130685A1 (de) | 1982-04-15 |
Family
ID=4117782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813130685 Withdrawn DE3130685A1 (de) | 1980-08-18 | 1981-08-03 | Wirbelstrom-oberflaechensonde |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5772055A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1158314A (cg-RX-API-DMAC7.html) |
| DE (1) | DE3130685A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2488693A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB2082330B (cg-RX-API-DMAC7.html) |
| IT (1) | IT1144610B (cg-RX-API-DMAC7.html) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1201481A (en) * | 1982-10-22 | 1986-03-04 | Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited/L'energie Atomique Du Canada Limitee | Eddy current probe with defect-noise discrimination |
| SE457117B (sv) * | 1984-02-17 | 1988-11-28 | Bengt Hjalmar Toernblom | Saett och anordning foer provning av elektriskt ledande provobjekt |
| FR2574938B1 (fr) * | 1984-12-19 | 1986-12-26 | Snecma | Methode de controle par courants de foucault sans contact et dispositif de mise en oeuvre |
| GB8521266D0 (en) * | 1985-08-24 | 1985-10-02 | Thorburn Technics Int | Electromagnetic inspection probe |
| EP0518635B1 (en) * | 1991-06-11 | 2003-05-21 | Newt Holdings Limited | Probe |
| EP1032829A1 (en) * | 1997-11-21 | 2000-09-06 | Volvo Aero Corporation | A testing method for machined workpieces |
| US7289913B2 (en) * | 2004-10-08 | 2007-10-30 | Jentek Sensors, Inc. | Local feature characterization using quasistatic electromagnetic sensors |
| CN107907587B (zh) * | 2017-11-10 | 2021-05-11 | 南昌航空大学 | 一种欠阻尼状态脉冲涡流检测系统 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3197693A (en) * | 1960-10-04 | 1965-07-27 | Hugo L Libby | Nondestructive eddy current subsurface testing device providing compensation for variation in probe-to-specimen spacing and surface irregularities |
| US3449664A (en) * | 1966-05-16 | 1969-06-10 | Bell Inc F W | Magnetic reaction testing apparatus and method of testing utilizing semiconductor means for magnetic field sensing of an eddy-current-reaction magnetic field |
| US3753096A (en) * | 1971-02-04 | 1973-08-14 | Automation Ind Inc | Eddy current flaw detection system with left off compensation |
| SU595671A2 (ru) * | 1976-01-28 | 1978-02-28 | Иркутский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой Магниевой И Электродной Промышленности | Структуроскоп |
| DE2746568A1 (de) * | 1977-10-17 | 1979-04-26 | Kraftwerk Union Ag | Wirbelstrompruefsonde zur pruefung ferromagnetischer werkstoffe |
-
1980
- 1980-08-18 CA CA000359392A patent/CA1158314A/en not_active Expired
-
1981
- 1981-07-31 IT IT68073/81A patent/IT1144610B/it active
- 1981-08-03 DE DE19813130685 patent/DE3130685A1/de not_active Withdrawn
- 1981-08-04 GB GB8123782A patent/GB2082330B/en not_active Expired
- 1981-08-10 FR FR8115475A patent/FR2488693A1/fr active Granted
- 1981-08-17 JP JP56128655A patent/JPS5772055A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2488693A1 (fr) | 1982-02-19 |
| GB2082330A (en) | 1982-03-03 |
| CA1158314A (en) | 1983-12-06 |
| IT8168073A0 (it) | 1981-07-31 |
| GB2082330B (en) | 1984-05-31 |
| IT1144610B (it) | 1986-10-29 |
| JPS5772055A (en) | 1982-05-06 |
| FR2488693B1 (cg-RX-API-DMAC7.html) | 1984-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68917480T2 (de) | Gerät zum erfassen von metallteilchen, die in einem fluid mitgeführt werden. | |
| DE2600206C2 (de) | Vorrichtung zur zerstörungsfreien Materialprüfung nach der Wirbelstrommethode | |
| DE69636756T2 (de) | Sondenspule für die Kernspinresonanz | |
| DE1648358A1 (de) | Verfahren und Geraet zur Bestimmung von Unstetigkeitsstellen in elektrisch leitenden Materialien | |
| DE3336783A1 (de) | Wirbelstromsonde mit unterscheidung zwischen fehler/rausch-signal | |
| DE2204904A1 (de) | Wirbelstrom-System zur zerstörungsfreien Werkstoffprüfung | |
| DE2025807B2 (de) | Vorrichtung zur zerstoerungsfreien untersuchung von magnetischen werkstuecken mit kreisfoermigem querschnitt auf risse | |
| DE2735214C2 (de) | Meßkopf zum kontinuierlichen Messen der magnetischen Eigenschaften eines sich bewegenden Materialbandes | |
| DE3130685A1 (de) | Wirbelstrom-oberflaechensonde | |
| DE68920188T2 (de) | Positionskompensationswindung für Wegaufnehmer. | |
| DE2811202C2 (de) | Vorrichtung zum Erfassen einer Fadenspannung | |
| EP0941482A2 (de) | ANORDNUNG ZUR ANKOPPLUNG EINES rf-SQUID AN EINEN SUPRALEITENDEN TANKSCHWINGKREIS | |
| EP0279190B1 (de) | Induktives Suchgerät | |
| DE2228679C2 (de) | Vorrichtung zur kontinuierlichen Messung des Querschnittes von Draht | |
| DE69911745T2 (de) | Induktionssensor | |
| DE2204449A1 (de) | Wirbelstrom-System zur zerstörungsfreien Werkstoffprüfung | |
| DE4232466A1 (de) | Magnetometersonde | |
| DE4122081C1 (en) | Hysteresis measurer for permanent magnetic samples - provides reception, measuring gap by pole shoes of electromagnet producing alternating magnetic flux | |
| DE1516154B1 (de) | Gerät zur Kurzschlusswindungsprüfung und zur Windungszahlmessung einer Spule | |
| DE102005024773B3 (de) | Hochfrequez-Spulenanordnung für Messungen mit magnetischer Resonanz und Probenkopf zur Aufnahme von Resonanzsignalen unter Verwendung einer derartigen Hochfrequenz-Spulenanordnung | |
| EP0388595B1 (de) | Messeinrichtung zur berührungsfreien Erfassung der Gestalt von Bauteilen | |
| WO2006045210A1 (de) | Induktiver wegaufnehmer (lvdt) mit kurzgeschlossner kopplunggsspule | |
| DE10213596A1 (de) | Resonanzsignaldetektor | |
| DE4302984A1 (de) | Horizontal-Wirbelstromsensor | |
| DE2232917C3 (de) | Berührungsloser Schalter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |