CN105699481A - Near-surface micro crack detection device of pressure equipment - Google Patents
Near-surface micro crack detection device of pressure equipment Download PDFInfo
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- CN105699481A CN105699481A CN201610160835.2A CN201610160835A CN105699481A CN 105699481 A CN105699481 A CN 105699481A CN 201610160835 A CN201610160835 A CN 201610160835A CN 105699481 A CN105699481 A CN 105699481A
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- coil
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- 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
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
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- 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)
Abstract
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Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610160835.2A CN105699481B (en) | 2016-03-18 | 2016-03-18 | A kind of bearing device near surface testing of small cracks device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610160835.2A CN105699481B (en) | 2016-03-18 | 2016-03-18 | A kind of bearing device near surface testing of small cracks device |
Publications (2)
Publication Number | Publication Date |
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CN105699481A true CN105699481A (en) | 2016-06-22 |
CN105699481B CN105699481B (en) | 2019-03-26 |
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Application Number | Title | Priority Date | Filing Date |
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CN201610160835.2A Active CN105699481B (en) | 2016-03-18 | 2016-03-18 | A kind of bearing device near surface testing of small cracks device |
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CN (1) | CN105699481B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106404900A (en) * | 2016-11-02 | 2017-02-15 | 中国计量大学 | Device for detecting steel plate surface defect |
Citations (14)
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JPS6472052A (en) * | 1987-09-14 | 1989-03-16 | Toshiba Shokoki Service | Flaw detector for steel tape of elevator |
JPH02147950A (en) * | 1988-11-30 | 1990-06-06 | Hara Denshi Sokki Kk | Ac leakage magnetic flux detector for plane flaw |
JPH04269653A (en) * | 1991-02-25 | 1992-09-25 | Nippon Telegr & Teleph Corp <Ntt> | Leakage magnetic flux detector |
EP0855595A2 (en) * | 1997-01-22 | 1998-07-29 | Kawasaki Steel Corporation | Method and apparatus for locating coating faults on buried pipeline |
JPH1183808A (en) * | 1997-09-10 | 1999-03-26 | Nkk Corp | Leakage flux flaw detecting method |
CN1394279A (en) * | 2000-10-18 | 2003-01-29 | 川崎制铁株式会社 | Leakage magnetism detecting sensor of magnetic penetration apparatus |
JP2006220610A (en) * | 2005-02-14 | 2006-08-24 | Jfe Engineering Kk | Defect detector |
CN202083672U (en) * | 2011-05-19 | 2011-12-21 | 中国人民解放军国防科学技术大学 | Field quantum detection-based leakage magnetic probe |
CN103196989A (en) * | 2013-02-25 | 2013-07-10 | 中国石油大学(华东) | ACFM different-angle crack detection system based on rotating magnetic field |
CN204255900U (en) * | 2014-11-16 | 2015-04-08 | 吉林大学 | A kind of electromagnetic nondestructive device of steel part defect |
CN104792858A (en) * | 2015-04-30 | 2015-07-22 | 南昌航空大学 | Alternating current electromagnetic field detector |
CN105092696A (en) * | 2015-08-10 | 2015-11-25 | 北京工业大学 | Low-frequency alternating-current magnetic flux leakage direction method for ferromagnetic pipeline inner wall crack detection |
CN105353030A (en) * | 2015-12-08 | 2016-02-24 | 中国计量学院 | Low-frequency electromagnetism-based defect detecting device |
CN205656166U (en) * | 2016-03-18 | 2016-10-19 | 中国计量学院 | Nearly surperficial small crack detection device of pressure -bearing equipment |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4269653B2 (en) * | 2002-11-20 | 2009-05-27 | 株式会社島津製作所 | Manufacturing method of radiation detector |
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2016
- 2016-03-18 CN CN201610160835.2A patent/CN105699481B/en active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6472052A (en) * | 1987-09-14 | 1989-03-16 | Toshiba Shokoki Service | Flaw detector for steel tape of elevator |
JPH02147950A (en) * | 1988-11-30 | 1990-06-06 | Hara Denshi Sokki Kk | Ac leakage magnetic flux detector for plane flaw |
JPH04269653A (en) * | 1991-02-25 | 1992-09-25 | Nippon Telegr & Teleph Corp <Ntt> | Leakage magnetic flux detector |
EP0855595A2 (en) * | 1997-01-22 | 1998-07-29 | Kawasaki Steel Corporation | Method and apparatus for locating coating faults on buried pipeline |
JPH1183808A (en) * | 1997-09-10 | 1999-03-26 | Nkk Corp | Leakage flux flaw detecting method |
CN1394279A (en) * | 2000-10-18 | 2003-01-29 | 川崎制铁株式会社 | Leakage magnetism detecting sensor of magnetic penetration apparatus |
JP2006220610A (en) * | 2005-02-14 | 2006-08-24 | Jfe Engineering Kk | Defect detector |
CN202083672U (en) * | 2011-05-19 | 2011-12-21 | 中国人民解放军国防科学技术大学 | Field quantum detection-based leakage magnetic probe |
CN103196989A (en) * | 2013-02-25 | 2013-07-10 | 中国石油大学(华东) | ACFM different-angle crack detection system based on rotating magnetic field |
CN204255900U (en) * | 2014-11-16 | 2015-04-08 | 吉林大学 | A kind of electromagnetic nondestructive device of steel part defect |
CN104792858A (en) * | 2015-04-30 | 2015-07-22 | 南昌航空大学 | Alternating current electromagnetic field detector |
CN105092696A (en) * | 2015-08-10 | 2015-11-25 | 北京工业大学 | Low-frequency alternating-current magnetic flux leakage direction method for ferromagnetic pipeline inner wall crack detection |
CN105353030A (en) * | 2015-12-08 | 2016-02-24 | 中国计量学院 | Low-frequency electromagnetism-based defect detecting device |
CN205656166U (en) * | 2016-03-18 | 2016-10-19 | 中国计量学院 | Nearly surperficial small crack detection device of pressure -bearing equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106404900A (en) * | 2016-11-02 | 2017-02-15 | 中国计量大学 | Device for detecting steel plate surface defect |
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CN105699481B (en) | 2019-03-26 |
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Inventor after: Shen Changyu Inventor after: Lou Weimin Inventor after: Shentu Fengying Inventor after: Guo Yuanyang Inventor after: Li Wenjun Inventor after: Zhou Jiajia Inventor after: Li Guanghai Inventor before: Lou Weimin Inventor before: Shentu Fengying Inventor before: Shen Changyu Inventor before: Guo Yuanyang Inventor before: Li Wenjun Inventor before: Zhou Jiajia Inventor before: Li Guanghai |
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