DE3321375C2 - - Google Patents
Info
- Publication number
- DE3321375C2 DE3321375C2 DE19833321375 DE3321375A DE3321375C2 DE 3321375 C2 DE3321375 C2 DE 3321375C2 DE 19833321375 DE19833321375 DE 19833321375 DE 3321375 A DE3321375 A DE 3321375A DE 3321375 C2 DE3321375 C2 DE 3321375C2
- Authority
- DE
- Germany
- 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.)
- Expired
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
-
- 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 |
---|---|---|---|
JP57102600A JPS58218644A (ja) | 1982-06-14 | 1982-06-14 | 金属材料の表面疵探傷方法及びその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3321375A1 DE3321375A1 (de) | 1983-12-22 |
DE3321375C2 true DE3321375C2 (es) | 1987-04-02 |
Family
ID=14331724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833321375 Granted DE3321375A1 (de) | 1982-06-14 | 1983-06-14 | Verfahren und vorrichtung zur messung von oberflaechenfehlstellen an metallen |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS58218644A (es) |
DE (1) | DE3321375A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022213259A1 (de) | 2022-12-08 | 2024-06-13 | Zf Friedrichshafen Ag | Prüfstand zum Erfassen von Wirbelstromverlusten in einem permanentmagnetischen Probenkörper |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4492115A (en) * | 1984-04-11 | 1985-01-08 | Pa Incorporated | Method and apparatus for measuring defects in ferromagnetic tubing |
JPS61104250A (ja) * | 1984-10-26 | 1986-05-22 | Kawasaki Steel Corp | 熱間渦流探傷装置 |
JPH0711508B2 (ja) * | 1987-03-10 | 1995-02-08 | 住友金属工業株式会社 | 漏洩磁束探傷方法 |
JPH0648262B2 (ja) * | 1987-04-07 | 1994-06-22 | 日本鋼管株式会社 | 磁粉探傷装置 |
DE3937261C2 (de) * | 1989-11-09 | 1996-04-11 | Foerster Inst Dr Friedrich | Rotierkopf zum Abtasten von metallischem Prüfgut |
DE9011478U1 (de) * | 1990-08-07 | 1990-12-20 | Nukem GmbH, 63755 Alzenau | Anordnung zur zerstörungsfreien Werkstoffprüfung |
DE9011477U1 (de) * | 1990-08-07 | 1990-12-20 | Nukem GmbH, 63755 Alzenau | Anordnung zur zerstörungsfreien Werkstoffprüfung |
DE102008020194A1 (de) * | 2008-04-16 | 2009-10-22 | Institut Dr. Foerster Gmbh & Co. Kg | Verfahren und Vorrichtung zum Detektieren von oberflächennahen Defekten mittels Streuflussmessung |
JP7007700B2 (ja) * | 2017-03-30 | 2022-01-25 | 国立大学法人東海国立大学機構 | 磁気計測装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5667747A (en) * | 1979-11-08 | 1981-06-08 | Denshi Jiki Kogyo Kk | Magnetic powder flaw detector for steel pipe |
US4439730A (en) * | 1981-05-08 | 1984-03-27 | Amf Inc. | Nondestructive inspection apparatus and method utilizing combined inspection signals obtained from orthogonal magnetic fields |
-
1982
- 1982-06-14 JP JP57102600A patent/JPS58218644A/ja active Granted
-
1983
- 1983-06-14 DE DE19833321375 patent/DE3321375A1/de active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022213259A1 (de) | 2022-12-08 | 2024-06-13 | Zf Friedrichshafen Ag | Prüfstand zum Erfassen von Wirbelstromverlusten in einem permanentmagnetischen Probenkörper |
Also Published As
Publication number | Publication date |
---|---|
JPS58218644A (ja) | 1983-12-19 |
JPH0335624B2 (es) | 1991-05-28 |
DE3321375A1 (de) | 1983-12-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |