BE830330A - METHOD AND DEVICE FOR MEASURING ANOMALIES IN FERROMAGNETIC MATERIALS - Google Patents
METHOD AND DEVICE FOR MEASURING ANOMALIES IN FERROMAGNETIC MATERIALSInfo
- Publication number
- BE830330A BE830330A BE157407A BE157407A BE830330A BE 830330 A BE830330 A BE 830330A BE 157407 A BE157407 A BE 157407A BE 157407 A BE157407 A BE 157407A BE 830330 A BE830330 A BE 830330A
- Authority
- BE
- Belgium
- Prior art keywords
- ferromagnetic materials
- anomalies
- measuring
- measuring anomalies
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (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 |
---|---|---|---|
US48012774A | 1974-06-17 | 1974-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE830330A true BE830330A (en) | 1975-12-17 |
Family
ID=23906771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE157407A BE830330A (en) | 1974-06-17 | 1975-06-17 | METHOD AND DEVICE FOR MEASURING ANOMALIES IN FERROMAGNETIC MATERIALS |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5114091A (en) |
BE (1) | BE830330A (en) |
DE (1) | DE2526978A1 (en) |
FR (1) | FR2274917A1 (en) |
GB (1) | GB1498218A (en) |
SE (1) | SE408732B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2746618C2 (en) * | 1977-10-15 | 1986-01-30 | Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen | Process and device for testing elongated metallic test material for defects |
CA1208291A (en) * | 1981-05-11 | 1986-07-22 | Thomas R. Schmidt | Method and apparatus for detecting flaws in tubular metallic members |
JPS58501194A (en) * | 1981-07-28 | 1983-07-21 | インステイチユト プリクラドノイ フイジキ アカデミイ ナウク ビ−エスエスア−ル | Method and apparatus for magnetically testing mobile ferromagnetic specimens for mechanical properties |
US4641093A (en) * | 1981-07-28 | 1987-02-03 | Institut Prikladnoi Fiziki Akademii Nauk Belorusskoi Ssr | Method and device for magnetic testing of moving elongated ferromagnetic test piece for mechanical properties by utilizing the magnitude of remanent magnetic flux and a pulsed magnetic field |
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 |
SE456864B (en) * | 1986-08-27 | 1988-11-07 | Toernbloms Kvalitetskontroll | DEVICE FOR DETECTING AND SUPPRESSING THE IMPACT OF INTERNATIONAL MAGNETIC FIELD DURING THE VERTICAL FLOW TEST OF OMAGNETIC PROVOBJECTS |
EP0801304B1 (en) * | 1995-10-31 | 2001-10-10 | Nkk Corporation | Magnetic flaw detection apparatus |
ES2367295B1 (en) * | 2010-02-03 | 2012-09-04 | La Farga Lacambra, S.A.U | METHOD AND SYSTEM FOR DETECTION OF PHERROMAGNETIC PARTICLES EMBEDDED IN NON-PHERROMAGNETIC MATERIALS BY VARIATION OF THE MAGNETIC FIELD. |
CN103901099B (en) * | 2014-04-29 | 2016-06-15 | 国电科学技术研究院 | Ferromagnetism seamless steel tube for boiler eddy current automatic detection device and method thereof |
CN110006992B (en) * | 2019-03-28 | 2023-05-02 | 仓信无损检测设备苏州有限公司 | Pass-through vortex sensor and detection method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714558A (en) * | 1970-09-02 | 1973-01-30 | Anglo Amer Corp South Africa | Magnetic sensor for detecting breaks in a steel rope including multiplier for eliminating noise |
-
1975
- 1975-05-27 GB GB23123/75A patent/GB1498218A/en not_active Expired
- 1975-06-13 FR FR7518612A patent/FR2274917A1/en active Granted
- 1975-06-16 DE DE19752526978 patent/DE2526978A1/en not_active Withdrawn
- 1975-06-16 SE SE7506881A patent/SE408732B/en unknown
- 1975-06-17 JP JP50072795A patent/JPS5114091A/en active Pending
- 1975-06-17 BE BE157407A patent/BE830330A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5114091A (en) | 1976-02-04 |
FR2274917B1 (en) | 1978-12-08 |
DE2526978A1 (en) | 1976-01-02 |
SE408732B (en) | 1979-07-02 |
FR2274917A1 (en) | 1976-01-09 |
SE7506881L (en) | 1975-12-18 |
GB1498218A (en) | 1978-01-18 |
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