NO771923L - Fremgangsm}te til magnetisk inspeksjon og anordning til fremgangsm}tens utf¦relse - Google Patents
Fremgangsm}te til magnetisk inspeksjon og anordning til fremgangsm}tens utf¦relseInfo
- Publication number
- NO771923L NO771923L NO771923A NO771923A NO771923L NO 771923 L NO771923 L NO 771923L NO 771923 A NO771923 A NO 771923A NO 771923 A NO771923 A NO 771923A NO 771923 L NO771923 L NO 771923L
- Authority
- NO
- Norway
- Prior art keywords
- alternating current
- magnetic field
- direct current
- magnetic
- circuit
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 61
- 238000000034 method Methods 0.000 title claims description 11
- 238000007689 inspection Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims description 25
- 230000007547 defect Effects 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000004154 testing of material Methods 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 230000003313 weakening effect Effects 0.000 claims 1
- 239000006249 magnetic particle Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 230000006698 induction Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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
- G01N27/83—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
- G01N27/84—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 by applying magnetic powder or magnetic ink
-
- 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
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 |
|---|---|---|---|
| US05/693,021 US4058762A (en) | 1976-06-04 | 1976-06-04 | Method and apparatus for magnetic inspection through adjustable pulsed alternating and direct current magnetic fields |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO771923L true NO771923L (no) | 1977-12-06 |
Family
ID=24782990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO771923A NO771923L (no) | 1976-06-04 | 1977-06-01 | Fremgangsm}te til magnetisk inspeksjon og anordning til fremgangsm}tens utf¦relse |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4058762A (sv) |
| JP (1) | JPS5316685A (sv) |
| AU (1) | AU512325B2 (sv) |
| BE (1) | BE855396A (sv) |
| CA (1) | CA1096941A (sv) |
| DE (1) | DE2725306B2 (sv) |
| DK (1) | DK247377A (sv) |
| FI (1) | FI62906C (sv) |
| FR (1) | FR2353851A1 (sv) |
| GB (1) | GB1584671A (sv) |
| IN (1) | IN148533B (sv) |
| IT (1) | IT1077222B (sv) |
| NL (1) | NL7706147A (sv) |
| NO (1) | NO771923L (sv) |
| SE (1) | SE7706471L (sv) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1499209A1 (ru) * | 1986-07-02 | 1989-08-07 | Белорусский Политехнический Институт | Намагничивающее устройство дл магнитографического контрол изделий |
| DE4034751A1 (de) * | 1990-10-30 | 1991-05-23 | Michael Schulz | Verfahren und vorrichtung zur magnetischen risspruefung von nur einseitig zugaenglichen bohrungslaibungen in behaeltnissen der dampf- und druckerzeugungstechnik |
| US6316845B1 (en) | 1999-11-05 | 2001-11-13 | Parker Research Corporation | Battery powered AC electromagnetic yoke for magnetic particle inspection |
| US20080258719A1 (en) * | 2007-04-18 | 2008-10-23 | The University Of Houston | Apparatus and methods for ferromagnetic wall inspection of tubulars |
| DE102007024060A1 (de) * | 2007-05-22 | 2008-11-27 | Illinois Tool Works Inc., Glenview | Vorrichtung und Verfahren zur Prüfmittel-Kontrolle |
| DE102007024058A1 (de) * | 2007-05-22 | 2008-11-27 | Illinois Tool Works Inc., Glenview | Vorrichtung und Verfahren zur Prüfmittel-Kontrolle |
| DE102008048592B4 (de) * | 2008-09-23 | 2010-08-26 | Mr-Chemie Gmbh | Verstellbarer Handmagnet |
| UA117542C2 (uk) | 2017-06-16 | 2018-08-10 | Олександр Григорович Калениченко | Система для визначення структури електромагнітного поля і матеріалу об'єкта і спосіб визначення структури електромагнітного поля і матеріалу об'єкта |
| US11402351B1 (en) | 2019-08-20 | 2022-08-02 | Scan Systems Corp. | Apparatus, systems, and methods for discriminate high-speed inspection of tubulars |
| US11307173B1 (en) | 2019-08-20 | 2022-04-19 | Scan Systems Corp. | Apparatus, systems, and methods for inspection of tubular goods |
| US12031945B1 (en) | 2019-08-20 | 2024-07-09 | Scan Systems Corp. | Apparatus, systems, and methods for inspecting tubulars of different sizes |
| US11402352B1 (en) | 2019-08-20 | 2022-08-02 | Scan Systems Corp. | Apparatus, systems, and methods for inspecting tubulars employing flexible inspection shoes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA447838A (en) * | 1948-04-13 | Magnaflux Corporation | Method of and apparatus for magnetic testing | |
| US1782462A (en) * | 1925-07-06 | 1930-11-25 | Firm Neufeldt & Kuhnke Betr Sg | Arrangement for testing magnetizable objects |
| US1910770A (en) * | 1928-02-27 | 1933-05-23 | Kinsley Carl | Magnetic testing of masses |
| US3378762A (en) * | 1967-07-05 | 1968-04-16 | Phillip J. Parker | Magnetic particle inspection probe with adjustable probe legs and self-contained circuitry for a.c. or d.c. testing |
-
1976
- 1976-06-04 US US05/693,021 patent/US4058762A/en not_active Expired - Lifetime
-
1977
- 1977-06-01 NO NO771923A patent/NO771923L/no unknown
- 1977-06-01 IN IN825/CAL/77A patent/IN148533B/en unknown
- 1977-06-01 JP JP6339077A patent/JPS5316685A/ja active Pending
- 1977-06-02 SE SE7706471A patent/SE7706471L/sv not_active Application Discontinuation
- 1977-06-02 CA CA279,740A patent/CA1096941A/en not_active Expired
- 1977-06-02 GB GB23393/77A patent/GB1584671A/en not_active Expired
- 1977-06-03 DK DK247377A patent/DK247377A/da unknown
- 1977-06-03 NL NL7706147A patent/NL7706147A/xx not_active Application Discontinuation
- 1977-06-03 BE BE178202A patent/BE855396A/xx unknown
- 1977-06-03 AU AU25817/77A patent/AU512325B2/en not_active Expired
- 1977-06-03 FI FI771785A patent/FI62906C/fi not_active IP Right Cessation
- 1977-06-03 IT IT24366/77A patent/IT1077222B/it active
- 1977-06-03 FR FR7716980A patent/FR2353851A1/fr active Granted
- 1977-06-04 DE DE2725306A patent/DE2725306B2/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2725306A1 (de) | 1977-12-08 |
| US4058762A (en) | 1977-11-15 |
| FR2353851A1 (fr) | 1977-12-30 |
| DK247377A (da) | 1977-12-05 |
| IT1077222B (it) | 1985-05-04 |
| IN148533B (sv) | 1981-03-28 |
| FR2353851B1 (sv) | 1981-12-18 |
| BE855396A (fr) | 1977-12-05 |
| FI62906B (fi) | 1982-11-30 |
| FI771785A (sv) | 1977-12-05 |
| CA1096941A (en) | 1981-03-03 |
| FI62906C (fi) | 1983-03-10 |
| GB1584671A (en) | 1981-02-18 |
| AU2581777A (en) | 1978-12-07 |
| DE2725306B2 (de) | 1979-06-28 |
| SE7706471L (sv) | 1977-12-05 |
| JPS5316685A (en) | 1978-02-15 |
| AU512325B2 (en) | 1980-10-02 |
| NL7706147A (nl) | 1977-12-06 |
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