DD135539A5 - Verfahren und einrichtung zur untersuchung ferromagnetischer werkstuecke - Google Patents
Verfahren und einrichtung zur untersuchung ferromagnetischer werkstueckeInfo
- Publication number
- DD135539A5 DD135539A5 DD78205397A DD20539778A DD135539A5 DD 135539 A5 DD135539 A5 DD 135539A5 DD 78205397 A DD78205397 A DD 78205397A DD 20539778 A DD20539778 A DD 20539778A DD 135539 A5 DD135539 A5 DD 135539A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- investigation
- ferromagnetic workpieces
- workpieces
- ferromagnetic
- 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
-
- 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
- G01N27/904—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 with two or more 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)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7705299A NL7705299A (nl) | 1977-05-13 | 1977-05-13 | Werkwijze en inrichting voor het onderzoek van ferromagnetische werkstukken. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD135539A5 true DD135539A5 (de) | 1979-05-09 |
Family
ID=19828549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD78205397A DD135539A5 (de) | 1977-05-13 | 1978-05-16 | Verfahren und einrichtung zur untersuchung ferromagnetischer werkstuecke |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS53141686A (de) |
| BR (1) | BR7802982A (de) |
| DD (1) | DD135539A5 (de) |
| DE (1) | DE2820559A1 (de) |
| ES (1) | ES469764A1 (de) |
| FI (1) | FI781482A (de) |
| FR (1) | FR2390728A1 (de) |
| GB (1) | GB1604188A (de) |
| IT (1) | IT1112654B (de) |
| NL (1) | NL7705299A (de) |
| SE (1) | SE7805243L (de) |
| ZA (1) | ZA782413B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503393A (en) * | 1981-10-05 | 1985-03-05 | Exxon Production Research Co. | Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor |
| US4510447A (en) * | 1981-10-26 | 1985-04-09 | Exxon Production Research Co. | Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe |
-
1977
- 1977-05-13 NL NL7705299A patent/NL7705299A/xx not_active Application Discontinuation
-
1978
- 1978-01-30 IT IT19761/78A patent/IT1112654B/it active
- 1978-04-27 ZA ZA00782413A patent/ZA782413B/xx unknown
- 1978-05-09 SE SE7805243A patent/SE7805243L/xx not_active Application Discontinuation
- 1978-05-10 FI FI781482A patent/FI781482A/fi not_active Application Discontinuation
- 1978-05-11 DE DE19782820559 patent/DE2820559A1/de not_active Withdrawn
- 1978-05-11 BR BR7802982A patent/BR7802982A/pt unknown
- 1978-05-11 JP JP5506178A patent/JPS53141686A/ja active Pending
- 1978-05-11 GB GB19040/78A patent/GB1604188A/en not_active Expired
- 1978-05-12 FR FR7814312A patent/FR2390728A1/fr active Pending
- 1978-05-12 ES ES469764A patent/ES469764A1/es not_active Expired
- 1978-05-16 DD DD78205397A patent/DD135539A5/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT7819761A0 (it) | 1978-01-30 |
| SE7805243L (sv) | 1978-11-14 |
| FI781482A (fi) | 1978-11-14 |
| GB1604188A (en) | 1981-12-02 |
| ES469764A1 (es) | 1979-10-01 |
| IT1112654B (it) | 1986-01-20 |
| NL7705299A (nl) | 1978-11-15 |
| JPS53141686A (en) | 1978-12-09 |
| BR7802982A (pt) | 1979-01-02 |
| ZA782413B (en) | 1979-04-25 |
| DE2820559A1 (de) | 1978-11-23 |
| FR2390728A1 (fr) | 1978-12-08 |
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