DE2653923C3 - Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen Wandler - Google Patents
Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen WandlerInfo
- Publication number
- DE2653923C3 DE2653923C3 DE2653923A DE2653923A DE2653923C3 DE 2653923 C3 DE2653923 C3 DE 2653923C3 DE 2653923 A DE2653923 A DE 2653923A DE 2653923 A DE2653923 A DE 2653923A DE 2653923 C3 DE2653923 C3 DE 2653923C3
- Authority
- DE
- Germany
- Prior art keywords
- frequency coil
- coil
- workpiece
- sections
- frequency
- 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
Links
- 230000005520 electrodynamics Effects 0.000 title claims description 7
- 238000004154 testing of material Methods 0.000 title claims description 3
- 238000004804 winding Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 11
- 238000002604 ultrasonography Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- General Induction Heating (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2653923A DE2653923C3 (de) | 1976-11-27 | 1976-11-27 | Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen Wandler |
| AT0676777A AT379022B (de) | 1976-11-27 | 1977-09-21 | Vorrichtung zur beruehrungslosen werkstoffpruefung |
| IT51680/77A IT1090200B (it) | 1976-11-27 | 1977-11-03 | Dispositivo per il collaudo dei materiali |
| NLAANVRAGE7712528,A NL175670C (nl) | 1976-11-27 | 1977-11-14 | Inrichting voor materiaalonderzoek. |
| GB48160/77A GB1586604A (en) | 1976-11-27 | 1977-11-18 | Apparatus for ultrasonic testing |
| FR7735589A FR2372431A1 (fr) | 1976-11-27 | 1977-11-25 | Dispositif pour le controle de materiaux |
| BE182921A BE861199A (fr) | 1976-11-27 | 1977-11-25 | Dispositif pour le controle de materiaux |
| LU78581A LU78581A1 (enExample) | 1976-11-27 | 1977-11-25 | |
| US05/855,289 US4149421A (en) | 1976-11-27 | 1977-11-28 | Device for utrasonically checking material by means of an electrodynamic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2653923A DE2653923C3 (de) | 1976-11-27 | 1976-11-27 | Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen Wandler |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2653923A1 DE2653923A1 (de) | 1978-06-01 |
| DE2653923B2 DE2653923B2 (de) | 1978-09-21 |
| DE2653923C3 true DE2653923C3 (de) | 1979-05-23 |
Family
ID=5994106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2653923A Expired DE2653923C3 (de) | 1976-11-27 | 1976-11-27 | Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen Wandler |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4149421A (enExample) |
| AT (1) | AT379022B (enExample) |
| BE (1) | BE861199A (enExample) |
| DE (1) | DE2653923C3 (enExample) |
| FR (1) | FR2372431A1 (enExample) |
| GB (1) | GB1586604A (enExample) |
| IT (1) | IT1090200B (enExample) |
| LU (1) | LU78581A1 (enExample) |
| NL (1) | NL175670C (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218924A (en) * | 1979-07-02 | 1980-08-26 | Rockwell International Corporation | Ultrasonic ellipsometer |
| US4449408A (en) * | 1982-04-22 | 1984-05-22 | Magnetic Analysis Corporation | EMAT Test apparatus having retractable probe |
| US5608691A (en) * | 1994-05-31 | 1997-03-04 | The Babcock & Wilcox Company | EMAT with integral electrostatic shield |
| US5436873A (en) * | 1994-05-31 | 1995-07-25 | The Babcock & Wilcox Company | Electrostatic shield for electromagnetic acoustic transducer noise rejection |
| US5689070A (en) * | 1995-07-24 | 1997-11-18 | The Babcock & Wilcox Company | High temperature electromagnetic acoustic transducer (EMAT) probe and coil assemblies |
| JP2000513607A (ja) | 1996-07-03 | 2000-10-17 | アメリカ合衆国 | 超音波ホール効果画像化システムおよび方法 |
| US6070467A (en) * | 1997-10-17 | 2000-06-06 | Gas Research Institute | Electromagnetic acoustic transducer (EMAT) system and method for eliminating noise produced by static discharge |
| US6192760B1 (en) | 1999-08-19 | 2001-02-27 | Mcdermott Technology, Inc. | EMAT transmit/receive switch |
| GB0314357D0 (en) * | 2003-06-19 | 2003-07-23 | Pii Ltd | Electromagnetic acoustic transducer |
| US7546770B2 (en) * | 2006-01-05 | 2009-06-16 | General Electric Company | Electromagnetic acoustic transducer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1415765A (fr) * | 1964-09-17 | 1965-10-29 | Siderurgie Fse Inst Rech | Traducteur ultrasonore pour le sondage de produits de dimensions très différentes |
| US3583213A (en) * | 1968-07-26 | 1971-06-08 | James R Houck | Nondestructive testing of conductive objects using ultrasonic waves |
| SU376127A1 (ru) * | 1971-04-29 | 1973-04-05 | вСьСигОЗНАЯ | |
| US3786672A (en) * | 1972-09-20 | 1974-01-22 | Atomic Energy Commission | Two-dimensional coils for electro-magnetic generation and detection of acoustic waves |
| GB1482077A (en) * | 1973-09-07 | 1977-08-03 | Videoson Ltd | Probes for ultrasonic waves |
-
1976
- 1976-11-27 DE DE2653923A patent/DE2653923C3/de not_active Expired
-
1977
- 1977-09-21 AT AT0676777A patent/AT379022B/de not_active IP Right Cessation
- 1977-11-03 IT IT51680/77A patent/IT1090200B/it active
- 1977-11-14 NL NLAANVRAGE7712528,A patent/NL175670C/xx not_active IP Right Cessation
- 1977-11-18 GB GB48160/77A patent/GB1586604A/en not_active Expired
- 1977-11-25 LU LU78581A patent/LU78581A1/xx unknown
- 1977-11-25 FR FR7735589A patent/FR2372431A1/fr active Granted
- 1977-11-25 BE BE182921A patent/BE861199A/xx not_active IP Right Cessation
- 1977-11-28 US US05/855,289 patent/US4149421A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2653923B2 (de) | 1978-09-21 |
| IT1090200B (it) | 1985-06-18 |
| NL175670B (nl) | 1984-07-02 |
| NL175670C (nl) | 1984-12-03 |
| LU78581A1 (enExample) | 1978-04-20 |
| US4149421A (en) | 1979-04-17 |
| DE2653923A1 (de) | 1978-06-01 |
| ATA676777A (de) | 1985-03-15 |
| GB1586604A (en) | 1981-03-25 |
| FR2372431B1 (enExample) | 1982-12-17 |
| AT379022B (de) | 1985-11-11 |
| BE861199A (fr) | 1978-05-25 |
| NL7712528A (nl) | 1978-05-30 |
| FR2372431A1 (fr) | 1978-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ESTEL HOESCH WERKE AG, 4600 DORTMUND, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HOESCH WERKE AG, 4600 DORTMUND, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HOESCH AG, 4600 DORTMUND, DE |
|
| 8339 | Ceased/non-payment of the annual fee |