BE830330A - Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiques - Google Patents
Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiquesInfo
- 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)
- 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 |
---|---|---|---|
US48012774A | 1974-06-17 | 1974-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE830330A true BE830330A (fr) | 1975-12-17 |
Family
ID=23906771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE157407A BE830330A (fr) | 1974-06-17 | 1975-06-17 | Procede et dispositif pour mesurer des anomalies dans des materiaux ferromagnetiques |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5114091A (fr) |
BE (1) | BE830330A (fr) |
DE (1) | DE2526978A1 (fr) |
FR (1) | FR2274917A1 (fr) |
GB (1) | GB1498218A (fr) |
SE (1) | SE408732B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2746618C2 (de) * | 1977-10-15 | 1986-01-30 | Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen | Verfahren und Einrichtung zur Prüfung von langgestrecktem metallischem Prüfgut auf Fehler |
CA1208291A (fr) * | 1981-05-11 | 1986-07-22 | Thomas R. Schmidt | Procede de detection de defauts dans les tubes metalliques |
GB2115558B (en) * | 1981-07-28 | 1986-04-23 | Inst Prikladnoi Fiziki Akademi | Method and device for magnetic control of mechanical properties of moving lengthy ferromagnetic object |
JPS58501194A (ja) * | 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 | 機械的特性のために可動強磁性試験片を磁気試験する方法および装置 |
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 (sv) * | 1986-08-27 | 1988-11-07 | Toernbloms Kvalitetskontroll | Anordning foer att vid virvelstroemsprovning av omagnetiska provobjekt detektera och undertrycka inverkan av stoerande magnetiska omraaden |
KR100246244B1 (ko) * | 1995-10-31 | 2000-04-01 | 야마오카 요지로 | 자기탐상장치 |
ES2367295B1 (es) * | 2010-02-03 | 2012-09-04 | La Farga Lacambra, S.A.U | Método y sistema de detección de partículas ferromagnéticas embebidas en materiales no ferromagnéticos por variación del campo magnético. |
CN103901099B (zh) * | 2014-04-29 | 2016-06-15 | 国电科学技术研究院 | 铁磁性锅炉钢管涡流自动检测装置及其方法 |
CN110006992B (zh) * | 2019-03-28 | 2023-05-02 | 仓信无损检测设备苏州有限公司 | 穿过式涡流传感器及检测方法 |
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/fr active Granted
- 1975-06-16 DE DE19752526978 patent/DE2526978A1/de not_active Withdrawn
- 1975-06-16 SE SE7506881A patent/SE408732B/xx unknown
- 1975-06-17 BE BE157407A patent/BE830330A/fr unknown
- 1975-06-17 JP JP50072795A patent/JPS5114091A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE408732B (sv) | 1979-07-02 |
SE7506881L (sv) | 1975-12-18 |
FR2274917B1 (fr) | 1978-12-08 |
DE2526978A1 (de) | 1976-01-02 |
FR2274917A1 (fr) | 1976-01-09 |
JPS5114091A (en) | 1976-02-04 |
GB1498218A (en) | 1978-01-18 |
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