JP2519501Y2 - 磁気探傷器 - Google Patents
磁気探傷器Info
- Publication number
- JP2519501Y2 JP2519501Y2 JP1987022198U JP2219887U JP2519501Y2 JP 2519501 Y2 JP2519501 Y2 JP 2519501Y2 JP 1987022198 U JP1987022198 U JP 1987022198U JP 2219887 U JP2219887 U JP 2219887U JP 2519501 Y2 JP2519501 Y2 JP 2519501Y2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- magnetic
- magnetic flux
- flaw detector
- cores
- 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.)
- Expired - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 80
- 230000004907 flux Effects 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 24
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022198U JP2519501Y2 (ja) | 1987-02-18 | 1987-02-18 | 磁気探傷器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022198U JP2519501Y2 (ja) | 1987-02-18 | 1987-02-18 | 磁気探傷器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63129862U JPS63129862U (enrdf_load_stackoverflow) | 1988-08-24 |
| JP2519501Y2 true JP2519501Y2 (ja) | 1996-12-04 |
Family
ID=30819353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987022198U Expired - Lifetime JP2519501Y2 (ja) | 1987-02-18 | 1987-02-18 | 磁気探傷器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2519501Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4487082B1 (ja) * | 2009-07-01 | 2010-06-23 | 国立大学法人 岡山大学 | 漏洩磁束探傷方法及び装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52167087U (enrdf_load_stackoverflow) * | 1977-06-16 | 1977-12-17 | ||
| JPS61161659U (enrdf_load_stackoverflow) * | 1985-03-28 | 1986-10-07 |
-
1987
- 1987-02-18 JP JP1987022198U patent/JP2519501Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63129862U (enrdf_load_stackoverflow) | 1988-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2357233C (en) | Sensor head for acfm based crack detection | |
| US5258708A (en) | Methods and apparatus for non-destructive testing of materials with eddy currents | |
| AU2002216205B2 (en) | Measurement of stress in a ferromagnetic material | |
| Tsukada et al. | Detection of back-side pit on a ferrous plate by magnetic flux leakage method with analyzing magnetic field vector | |
| Cheng | Magnetic flux leakage testing of reverse side wall-thinning by using very low strength magnetization | |
| US6586930B1 (en) | Material thickness measurement using magnetic information | |
| JP2766929B2 (ja) | 非破壊検査装置 | |
| US5245279A (en) | Apparatus and method including flux injector pole position sensors for detecting physical flaws in ferromagnetic objects | |
| Pavlyuchenko et al. | Differential background of electric signal read from an induction magnetic head | |
| EP0531127A2 (en) | Method for advanced material characterization by laser induced eddy current imaging | |
| Bernieri et al. | Characterization of an eddy-current-based system for nondestructive testing | |
| JP2519501Y2 (ja) | 磁気探傷器 | |
| JPH04269653A (ja) | 漏洩磁束検出装置 | |
| RU2566416C1 (ru) | Устройство для вихретоко-магнитной дефектоскопии ферромагнитных объектов | |
| JP3753499B2 (ja) | 磁気探傷装置及び方法 | |
| US5122743A (en) | Apparatus and method of non-destructively testing ferromagnetic materials including flux density measurement and ambient field cancellation | |
| JP2005127963A (ja) | 非破壊検査方法及びその装置 | |
| JPH0545184B2 (enrdf_load_stackoverflow) | ||
| JP2004294341A (ja) | パルスリモートフィールド渦電流による探傷方法及びその探傷装置 | |
| JP2002277442A (ja) | 非破壊検査方法及び非破壊検査装置 | |
| JPH04221757A (ja) | 欠陥検出装置及び方法 | |
| JP2004354282A (ja) | 漏洩磁束探傷装置 | |
| EP0049951A2 (en) | Device and method for measuring carburization in furnace tubes | |
| JPH09507294A (ja) | 金属製品を磁気的に試験する方法および装置 | |
| JPH0833374B2 (ja) | 金属内異質層検出方法およびその装置 |