DE2944819A1 - Verfahren und vorrichtung zum einleiten von ultraschall in elektrisch leitfaehiges material - Google Patents
Verfahren und vorrichtung zum einleiten von ultraschall in elektrisch leitfaehiges materialInfo
- Publication number
- DE2944819A1 DE2944819A1 DE19792944819 DE2944819A DE2944819A1 DE 2944819 A1 DE2944819 A1 DE 2944819A1 DE 19792944819 DE19792944819 DE 19792944819 DE 2944819 A DE2944819 A DE 2944819A DE 2944819 A1 DE2944819 A1 DE 2944819A1
- Authority
- DE
- Germany
- Prior art keywords
- core
- ultrasound
- composite material
- electromagnet
- electrically conductive
- 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
- 238000002604 ultrasonography Methods 0.000 title claims description 24
- 239000004020 conductor Substances 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 8
- 230000000977 initiatory effect Effects 0.000 title 1
- 239000002131 composite material Substances 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000001066 destructive effect Effects 0.000 claims description 2
- 238000009659 non-destructive testing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 21
- 238000013016 damping Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920003319 Araldite® Polymers 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02827—Elastic parameters, strength or force
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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7811512A SE445616B (sv) | 1978-11-07 | 1978-11-07 | Forfarande att introducera elektromagnetiskt ultraljud i elektriskt ledande material vid oforstorande provning samt anordning for utforande av forfarandet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2944819A1 true DE2944819A1 (de) | 1980-05-14 |
| DE2944819C2 DE2944819C2 (enrdf_load_stackoverflow) | 1988-11-10 |
Family
ID=20336288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792944819 Granted DE2944819A1 (de) | 1978-11-07 | 1979-11-06 | Verfahren und vorrichtung zum einleiten von ultraschall in elektrisch leitfaehiges material |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2944819A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2040584B (enrdf_load_stackoverflow) |
| SE (1) | SE445616B (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3123935A1 (de) * | 1981-06-16 | 1982-12-30 | Nukem Gmbh, 6450 Hanau | "elektrodynamischer wandlerkopf" |
| DE4011686C1 (enrdf_load_stackoverflow) * | 1990-04-06 | 1991-07-11 | Mannesmann Ag, 4000 Duesseldorf, De | |
| DE4035592C1 (enrdf_load_stackoverflow) * | 1990-11-06 | 1992-04-16 | Mannesmann Ag, 4000 Duesseldorf, De | |
| DE4130935A1 (de) * | 1991-09-13 | 1993-03-25 | Mannesmann Ag | Verfahren und vorrichtung zum pruefen ferromagnetischer werkstuecke mittels ultraschallwellen |
| RU2300762C1 (ru) * | 2005-10-25 | 2007-06-10 | ОАО "Нординкрафт" | Электромагнитно-акустический преобразователь |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443756A (en) * | 1972-11-03 | 1976-07-28 | Gen Electric | Permanent magnets and methods of making the same |
| DE2657957A1 (de) * | 1976-12-21 | 1978-06-29 | Ti Group Services Ltd | Ultraschallpruefvorrichtung |
-
1978
- 1978-11-07 SE SE7811512A patent/SE445616B/sv not_active IP Right Cessation
-
1979
- 1979-11-06 DE DE19792944819 patent/DE2944819A1/de active Granted
- 1979-11-06 GB GB7938404A patent/GB2040584B/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443756A (en) * | 1972-11-03 | 1976-07-28 | Gen Electric | Permanent magnets and methods of making the same |
| DE2657957A1 (de) * | 1976-12-21 | 1978-06-29 | Ti Group Services Ltd | Ultraschallpruefvorrichtung |
Non-Patent Citations (2)
| Title |
|---|
| DE-Z.: Fachberichte Hüttenpraxis Metallweiter- verarbeitung, 17. Jg. H. 10/1979, S. 348-355 * |
| DE-Z.: Materialprüfung, 20, Nr. 4, April 1978, S. 147-154 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3123935A1 (de) * | 1981-06-16 | 1982-12-30 | Nukem Gmbh, 6450 Hanau | "elektrodynamischer wandlerkopf" |
| DE4011686C1 (enrdf_load_stackoverflow) * | 1990-04-06 | 1991-07-11 | Mannesmann Ag, 4000 Duesseldorf, De | |
| EP0451375A3 (en) * | 1990-04-06 | 1992-02-05 | Mannesmann Aktiengesellschaft | Electrodynamic ultrasound-transducer |
| DE4035592C1 (enrdf_load_stackoverflow) * | 1990-11-06 | 1992-04-16 | Mannesmann Ag, 4000 Duesseldorf, De | |
| DE4130935A1 (de) * | 1991-09-13 | 1993-03-25 | Mannesmann Ag | Verfahren und vorrichtung zum pruefen ferromagnetischer werkstuecke mittels ultraschallwellen |
| RU2300762C1 (ru) * | 2005-10-25 | 2007-06-10 | ОАО "Нординкрафт" | Электромагнитно-акустический преобразователь |
Also Published As
| Publication number | Publication date |
|---|---|
| SE445616B (sv) | 1986-07-07 |
| SE7811512L (sv) | 1980-05-08 |
| GB2040584A (en) | 1980-08-28 |
| GB2040584B (en) | 1983-05-25 |
| DE2944819C2 (enrdf_load_stackoverflow) | 1988-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |