FR2500931A1 - Procede et dispositif pour la detection de fissures par magnetoscopie - Google Patents
Procede et dispositif pour la detection de fissures par magnetoscopie Download PDFInfo
- Publication number
- FR2500931A1 FR2500931A1 FR8101769A FR8101769A FR2500931A1 FR 2500931 A1 FR2500931 A1 FR 2500931A1 FR 8101769 A FR8101769 A FR 8101769A FR 8101769 A FR8101769 A FR 8101769A FR 2500931 A1 FR2500931 A1 FR 2500931A1
- Authority
- FR
- France
- Prior art keywords
- field
- current
- fading
- magnetic
- magnetization
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 239000006249 magnetic particle Substances 0.000 title claims abstract description 8
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 4
- 230000004087 circulation Effects 0.000 title abstract 3
- 230000005291 magnetic effect Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000013598 vector Substances 0.000 claims abstract description 4
- 230000005415 magnetization Effects 0.000 claims description 36
- 238000005562 fading Methods 0.000 claims description 24
- 238000005470 impregnation Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 7
- 230000005347 demagnetization Effects 0.000 claims description 7
- 230000003313 weakening effect Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 4
- 239000006247 magnetic powder Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 206010042772 syncope Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8101769A FR2500931A1 (fr) | 1981-01-30 | 1981-01-30 | Procede et dispositif pour la detection de fissures par magnetoscopie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8101769A FR2500931A1 (fr) | 1981-01-30 | 1981-01-30 | Procede et dispositif pour la detection de fissures par magnetoscopie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2500931A1 true FR2500931A1 (fr) | 1982-09-03 |
| FR2500931B1 FR2500931B1 (enExample) | 1985-04-12 |
Family
ID=9254665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8101769A Granted FR2500931A1 (fr) | 1981-01-30 | 1981-01-30 | Procede et dispositif pour la detection de fissures par magnetoscopie |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2500931A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015123023A1 (en) * | 2014-02-13 | 2015-08-20 | Siemens Energy, Inc. | Multidirectional magnetic particle inspection system |
-
1981
- 1981-01-30 FR FR8101769A patent/FR2500931A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015123023A1 (en) * | 2014-02-13 | 2015-08-20 | Siemens Energy, Inc. | Multidirectional magnetic particle inspection system |
| US9349516B2 (en) | 2014-02-13 | 2016-05-24 | Siemens Energy, Inc. | Multidirectional magnetic particle inspection system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2500931B1 (enExample) | 1985-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1323758C (fr) | Lance de soufflage d'oxygene | |
| JP7208238B2 (ja) | スタッド溶接ガン | |
| CH351351A (fr) | Procédé de soudage à l'arc électrique et installation pour sa mise en oeuvre | |
| FR2500931A1 (fr) | Procede et dispositif pour la detection de fissures par magnetoscopie | |
| JPH04273134A (ja) | ワイヤボンデイング方法 | |
| FR2473929A1 (fr) | Procede et dispositif d'usinage par decharges electriques | |
| FR2824766A1 (fr) | Procede et dispositif pour un brasage sans martensite | |
| FR2596194A1 (fr) | Procede et appareil pour le calibrage automatique d'aimants permanents | |
| ATE149898T1 (de) | Verfahren zum löten und vorrichtung zur durchführung dieses verfahrens | |
| FR2601139A1 (fr) | Dispositif d'aimantation pour le controle magnetosc opique de pieces | |
| JPH09267171A (ja) | パルスアーク溶接終了方法及び溶接装置 | |
| JPS5630735A (en) | Wire-bonding device | |
| FR2793066A1 (fr) | Procede et dispositif pour la demagnetisation de produits de faible epaisseur | |
| FR2532493A1 (fr) | Procede et montage pour exciter magnetiquement des detecteurs wiegand | |
| FR2548067A1 (fr) | Systeme de soudure a l'arc au tungstene | |
| KR101907395B1 (ko) | 피투사체의 홀딩 수단을 포함하는 발사장치 | |
| EP0298833A1 (fr) | Procédé et dispositif de soudage électrique sous eau | |
| JPH04320349A (ja) | ワイヤボンデイング方法及び装置 | |
| SU69384A1 (ru) | Быстродействующий автоматический выключатель | |
| FR2756201A1 (fr) | Procede de soudage a l'arc en courant pulse | |
| DE69913141D1 (de) | Verfahren und einrichtung zur verbesserung der qualität in fusionsschweissvorgängen | |
| JP2024540744A (ja) | 留め付け方法 | |
| Artamonov et al. | Nondestructive testing of microstructure of metals of heat power engineering equipment | |
| FR2837412A1 (fr) | Dispositif de marquage en creux par percussions successives | |
| Yang | Semiconducting wafer form shaping with an electric discharge machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |