NO329969B1 - Metode og apparat for avfoling og angivelse av akustisk emisjon - Google Patents
Metode og apparat for avfoling og angivelse av akustisk emisjon Download PDFInfo
- Publication number
- NO329969B1 NO329969B1 NO20045350A NO20045350A NO329969B1 NO 329969 B1 NO329969 B1 NO 329969B1 NO 20045350 A NO20045350 A NO 20045350A NO 20045350 A NO20045350 A NO 20045350A NO 329969 B1 NO329969 B1 NO 329969B1
- Authority
- NO
- Norway
- Prior art keywords
- coil
- band
- stated
- deviation
- sensing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005291 magnetic effect Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 27
- 230000035699 permeability Effects 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 230000010355 oscillation Effects 0.000 claims abstract 7
- 230000004907 flux Effects 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 3
- 239000002707 nanocrystalline material Substances 0.000 claims 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 14
- 230000001133 acceleration Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/0885—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by magnetostrictive pick-up
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
- G01H11/04—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance using magnetostrictive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/24—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in magnetic properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measuring Magnetic Variables (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0201927A SE523321C2 (sv) | 2002-06-20 | 2002-06-20 | Sätt och anordning för avkänning och indikering av akustisk emission |
PCT/SE2003/000871 WO2004001353A1 (en) | 2002-06-20 | 2003-05-28 | Sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
NO20045350D0 NO20045350D0 (no) | 2004-12-07 |
NO20045350L NO20045350L (no) | 2005-02-04 |
NO329969B1 true NO329969B1 (no) | 2011-01-31 |
Family
ID=20288285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20045350A NO329969B1 (no) | 2002-06-20 | 2004-12-07 | Metode og apparat for avfoling og angivelse av akustisk emisjon |
Country Status (14)
Country | Link |
---|---|
US (1) | US7282822B2 (ko) |
EP (1) | EP1514082A1 (ko) |
JP (1) | JP4233523B2 (ko) |
KR (1) | KR101046539B1 (ko) |
CN (1) | CN100489471C (ko) |
BR (1) | BR0312434A (ko) |
CA (1) | CA2489171C (ko) |
EA (1) | EA009475B1 (ko) |
IL (1) | IL165774A0 (ko) |
MX (1) | MXPA04012921A (ko) |
NO (1) | NO329969B1 (ko) |
SE (1) | SE523321C2 (ko) |
WO (1) | WO2004001353A1 (ko) |
ZA (1) | ZA200409956B (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2517388A1 (en) * | 2003-03-03 | 2004-09-16 | Adaptive Materials Technology Oy | A damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus |
KR101592950B1 (ko) * | 2009-02-27 | 2016-02-11 | 연세대학교 산학협력단 | 자성체를 함유하는 구조물의 변형률 측정용 도료, 이를 포함하는 테이프 및 이를 이용한 구조물의 변형률 측정방법 |
CN101650217B (zh) * | 2009-09-23 | 2011-02-02 | 上海交通大学 | 非接触式共轴磁弹性传感器 |
CN104316225B (zh) * | 2014-11-07 | 2016-04-20 | 山东科技大学 | 一种磁流变弹性体压力传感器 |
ITUA20162508A1 (it) * | 2016-04-12 | 2017-10-12 | Safecertifiedstructure Ingegneria S R L | Metodo e dispositivo d’indagine per la misurazione di tensioni in una struttura di agglomerato |
CN107063073B (zh) * | 2017-04-12 | 2020-03-20 | 爱德森(厦门)电子有限公司 | 一种物体形变电磁监测装置及方法 |
CN109900793B (zh) * | 2019-04-16 | 2021-04-27 | 中国特种设备检测研究院 | 一种铁磁性金属构件蠕变损伤的磁致声发射检测方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463610A (en) | 1982-02-18 | 1984-08-07 | Allied Corporation | Tuned vibration detector |
JPH01189971A (ja) * | 1988-01-26 | 1989-07-31 | Toshiba Corp | トルクセンサ |
JP2800347B2 (ja) * | 1990-02-07 | 1998-09-21 | 株式会社豊田自動織機製作所 | 磁歪式トルクセンサ |
DE4008644C1 (ko) * | 1990-03-17 | 1991-05-29 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
JPH0442004A (ja) | 1990-06-07 | 1992-02-12 | Toshiba Corp | ひずみセンサおよびその製造方法 |
DE4309413C2 (de) * | 1993-03-19 | 1996-03-07 | Holger Kabelitz | Magnetoelastische Dehnungsmeßeinheit zur Erfassung von Dehnungen auf einer Bauteiloberfläche |
JP3541996B2 (ja) * | 1995-09-26 | 2004-07-14 | Tdk株式会社 | 磁歪装置 |
GB9818959D0 (en) * | 1998-09-02 | 1998-10-21 | New Transducers Ltd | Panelform loudspeaker |
GB9806994D0 (en) * | 1998-04-02 | 1998-06-03 | New Transducers Ltd | Acoustic device |
DE19653428C1 (de) * | 1996-12-20 | 1998-03-26 | Vacuumschmelze Gmbh | Verfahren zum Herstellen von Bandkernbändern sowie induktives Bauelement mit Bandkern |
US6018296A (en) * | 1997-07-09 | 2000-01-25 | Vacuumschmelze Gmbh | Amorphous magnetostrictive alloy with low cobalt content and method for annealing same |
JPH11194158A (ja) * | 1998-01-05 | 1999-07-21 | Alps Electric Co Ltd | 方位センサ |
US6542342B1 (en) * | 1998-11-30 | 2003-04-01 | Nec Corporation | Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer |
JP3643823B2 (ja) * | 2002-09-30 | 2005-04-27 | 株式会社東芝 | 磁気抵抗効果素子 |
JP3835447B2 (ja) * | 2002-10-23 | 2006-10-18 | ヤマハ株式会社 | 磁気センサ、同磁気センサの製造方法及び同製造方法に適したマグネットアレイ |
JP2006245275A (ja) * | 2005-03-03 | 2006-09-14 | Alps Electric Co Ltd | 磁気検出素子 |
-
2002
- 2002-06-20 SE SE0201927A patent/SE523321C2/sv not_active IP Right Cessation
-
2003
- 2003-05-28 BR BR0312434-7A patent/BR0312434A/pt not_active IP Right Cessation
- 2003-05-28 CN CNB038143925A patent/CN100489471C/zh not_active Expired - Fee Related
- 2003-05-28 MX MXPA04012921A patent/MXPA04012921A/es unknown
- 2003-05-28 JP JP2004515286A patent/JP4233523B2/ja not_active Expired - Lifetime
- 2003-05-28 EP EP03733699A patent/EP1514082A1/en not_active Ceased
- 2003-05-28 CA CA2489171A patent/CA2489171C/en not_active Expired - Fee Related
- 2003-05-28 WO PCT/SE2003/000871 patent/WO2004001353A1/en active Application Filing
- 2003-05-28 EA EA200401567A patent/EA009475B1/ru not_active IP Right Cessation
- 2003-05-28 KR KR1020047020796A patent/KR101046539B1/ko active IP Right Grant
- 2003-05-28 US US10/518,126 patent/US7282822B2/en not_active Expired - Lifetime
-
2004
- 2004-12-07 NO NO20045350A patent/NO329969B1/no not_active IP Right Cessation
- 2004-12-08 ZA ZA200409956A patent/ZA200409956B/en unknown
- 2004-12-14 IL IL16577404A patent/IL165774A0/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU2003238987A1 (en) | 2004-01-06 |
EA009475B1 (ru) | 2008-02-28 |
KR20050016602A (ko) | 2005-02-21 |
JP2005530173A (ja) | 2005-10-06 |
SE0201927D0 (sv) | 2002-06-20 |
SE523321C2 (sv) | 2004-04-13 |
MXPA04012921A (es) | 2005-07-26 |
CA2489171C (en) | 2011-12-13 |
CN100489471C (zh) | 2009-05-20 |
US7282822B2 (en) | 2007-10-16 |
US20050242806A1 (en) | 2005-11-03 |
NO20045350D0 (no) | 2004-12-07 |
EA200401567A1 (ru) | 2005-08-25 |
CN1662795A (zh) | 2005-08-31 |
ZA200409956B (en) | 2006-07-26 |
KR101046539B1 (ko) | 2011-07-06 |
WO2004001353A1 (en) | 2003-12-31 |
BR0312434A (pt) | 2005-04-19 |
IL165774A0 (en) | 2006-01-15 |
JP4233523B2 (ja) | 2009-03-04 |
EP1514082A1 (en) | 2005-03-16 |
SE0201927L (sv) | 2003-12-21 |
CA2489171A1 (en) | 2003-12-31 |
NO20045350L (no) | 2005-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |