DE3314377C2 - - Google Patents
Info
- Publication number
- DE3314377C2 DE3314377C2 DE3314377A DE3314377A DE3314377C2 DE 3314377 C2 DE3314377 C2 DE 3314377C2 DE 3314377 A DE3314377 A DE 3314377A DE 3314377 A DE3314377 A DE 3314377A DE 3314377 C2 DE3314377 C2 DE 3314377C2
- Authority
- DE
- Germany
- 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
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
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
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 |
---|---|---|---|
US06/370,831 US4449408A (en) | 1982-04-22 | 1982-04-22 | EMAT Test apparatus having retractable probe |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3314377A1 DE3314377A1 (de) | 1983-11-03 |
DE3314377C2 true DE3314377C2 (US07655688-20100202-C00010.png) | 1987-04-02 |
Family
ID=23461374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833314377 Granted DE3314377A1 (de) | 1982-04-22 | 1983-04-21 | Vorrichtung zur zerstoerungsfreien materialpruefung mittels elektromagnetisch erzeugten schallwellen (emat) mit zurueckziehbarer sonde |
Country Status (3)
Country | Link |
---|---|
US (1) | US4449408A (US07655688-20100202-C00010.png) |
DE (1) | DE3314377A1 (US07655688-20100202-C00010.png) |
GB (1) | GB2120790B (US07655688-20100202-C00010.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4002100A1 (de) * | 1990-01-25 | 1991-08-08 | Nukem Gmbh | Elektrodynamischer wandlerkopf |
DE4228426C1 (de) * | 1992-08-26 | 1994-03-24 | Mannesmann Ag | Elektrodynamische Ultraschallprüfeinrichtung |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3401072C2 (de) * | 1984-01-13 | 1986-04-10 | Nukem Gmbh, 6450 Hanau | Elektrodynamischer Wandlerkopf |
DE3515977A1 (de) * | 1985-05-03 | 1986-11-06 | Nukem Gmbh, 6450 Hanau | Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper |
DE3603154A1 (de) * | 1986-02-01 | 1987-08-06 | Nukem Gmbh | Elektrodynamischer wandler |
US4854173A (en) * | 1988-03-02 | 1989-08-08 | The United States Of America As Represented By The United States Department Of Energy | Measurement of intergranular attack in stainless steel using ultrasonic energy |
FR2663115B1 (fr) * | 1990-06-08 | 1994-04-15 | Framatome | Procede et dispositif de controle de l'epaisseur et de la cohesion de l'interface d'un tube duplex. |
DE9011477U1 (de) * | 1990-08-07 | 1990-12-20 | Nukem GmbH, 63755 Alzenau | Anordnung zur zerstörungsfreien Werkstoffprüfung |
DE4324332C2 (de) * | 1993-07-20 | 1996-04-18 | Foerster Inst Dr Friedrich | Einrichtung zum Prüfen von langgestreckten Gegenständen ggf. mit Querschnittsunregelmäßigkeiten |
US5741973A (en) * | 1995-02-24 | 1998-04-21 | The Babcock & Wilcox Company | Spring release mechanism for electromagnetic acoustic transducer (EMAT) probe |
ATE206821T1 (de) | 1996-07-03 | 2001-10-15 | Us Gov Health & Human Serv | Ultraschahl-halleffekt abbildungsanordnung und- verfahren |
DE10135399A1 (de) * | 2001-07-26 | 2003-02-20 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zur zerstörungsfreien Prüfung oder zur Erfassung von Meßdaten von scheibenförmigen oder ringförmigen Prüflingen |
FI125313B (en) | 2013-11-12 | 2015-08-31 | Konecranes Oyj | Device and arrangement for monitoring the condition of an elongated ferrous object having a longitudinal axis |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3460063A (en) * | 1968-07-26 | 1969-08-05 | James R Houck | Ultrasonic transducer |
US3583213A (en) * | 1968-07-26 | 1971-06-08 | James R Houck | Nondestructive testing of conductive objects using ultrasonic waves |
GB1376538A (en) * | 1972-03-09 | 1974-12-04 | British Steel Corp | Rotary ultrasonic testing apparatus |
GB1524955A (en) * | 1974-10-09 | 1978-09-13 | Ti Group Services Ltd | Ultrasonic inspection |
DE2653923C3 (de) * | 1976-11-27 | 1979-05-23 | Hoesch Werke Ag, 4600 Dortmund | Vorrichtung zur Werkstoffprüfung mit einem elektrodynamischen Wandler |
JPS548585A (en) * | 1977-06-21 | 1979-01-22 | Nippon Steel Corp | Magnetic field generator for measuring instruments applying electromagnetic ultrasonic waves |
GB2006433B (en) * | 1977-10-20 | 1982-03-24 | Ti Group Services Ltd | Ultrasonic testing |
IE47295B1 (en) * | 1977-10-20 | 1984-02-08 | Ti Group Services Ltd | Ultrasonic testing |
JPS5631637A (en) * | 1979-08-24 | 1981-03-31 | Nippon Steel Corp | Instrument unit of electromagnetic ultrasonic wave |
NL7908205A (nl) * | 1979-11-08 | 1981-06-01 | Estel Hoogovens Bv | Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek. |
DE2949256C2 (de) * | 1979-12-07 | 1983-07-28 | Hoesch Werke Ag, 4600 Dortmund | Elektrodynamischer Schallwandler |
-
1982
- 1982-04-22 US US06/370,831 patent/US4449408A/en not_active Expired - Fee Related
-
1983
- 1983-04-15 GB GB08310287A patent/GB2120790B/en not_active Expired
- 1983-04-21 DE DE19833314377 patent/DE3314377A1/de active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4002100A1 (de) * | 1990-01-25 | 1991-08-08 | Nukem Gmbh | Elektrodynamischer wandlerkopf |
DE4228426C1 (de) * | 1992-08-26 | 1994-03-24 | Mannesmann Ag | Elektrodynamische Ultraschallprüfeinrichtung |
Also Published As
Publication number | Publication date |
---|---|
GB2120790A (en) | 1983-12-07 |
DE3314377A1 (de) | 1983-11-03 |
GB8310287D0 (en) | 1983-05-18 |
GB2120790B (en) | 1985-10-02 |
US4449408A (en) | 1984-05-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8331 | Complete revocation |