Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Gerhard Brekow"'
Autor:
Daniel Kanzler, Jorma Pitkänen, Gerhard Brekow, Marija Bertovic, Christina Müller, Uwe Ewert, Daniel Brackrock
Publikováno v:
Materials Testing. 56:748-757
The inspection of the sealing weld is an important phase for the evaluation of the acceptability of final disposal canister, but the weld is only a part of the 3D shielding of copper shell. The main tasks for reliable NDT evaluation requires an exten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9a022950a241ea77aa57a1e5320795d
https://doi.org/10.3139/120.110609
https://doi.org/10.3139/120.110609
Autor:
Gerhard Brekow, Daniel Brackrock, Cécile Acheroy, Jessica Kitze, Marc Kreutzbruck, Jens Prager
Publikováno v:
Journal of Nondestructive Evaluation. 32:1-13
Defect sizing is required for a quantitative assessment of the quality and reliability of safety relevant components and materials using ultrasonic non-destructive testing. The SAFT (Synthetic Aperture Focussing Technique) and the TOFD technique (Tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe5561f25af5ec5e4118babc6063f426
https://doi.org/10.1007/s10921-012-0153-9
https://doi.org/10.1007/s10921-012-0153-9
Publikováno v:
AIP Conference Proceedings.
Lightweight components are increasingly used in different industrial sectors such as transportation, energy generation and automotive. This growing field includes different types of CFRP-structures, hybrid materials and glued components showing - com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caf33c2b1723471a0bcd3942f978a8f4
https://doi.org/10.1063/1.4864809
https://doi.org/10.1063/1.4864809
Autor:
Anton Erhard, Gerhard Brekow
Publikováno v:
Materials Testing. 42:437-443
Weld examination on Tube Test Specimen using TOFD. In contrast to the pulse echo technique, which is based on the sound field reflection at the flaw surface, the Time of Flight Diffraction (TOFD) technique uses the diffraction of the sound field at t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d475a0e5d9a710128d2621ff553f3ca9
https://doi.org/10.1515/mt-2000-4211-1205
https://doi.org/10.1515/mt-2000-4211-1205
Autor:
Thorid Lange, Mate Gaal, Joachim Döring, Gerhard Brekow, Marc Kreutzbruck, Jürgen Bartusch, W. Hillger
Publikováno v:
AIP Conference Proceedings.
Ferroelectrets are promising materials for air-coupled ultrasonic transducers. A transducer made of polarized cellular polypropylene, including its electronic interface, was developed and compared with conventional air-coupled probes. Test pieces of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::803e21cea4c7770139bff1f8c3d8914b
https://doi.org/10.1063/1.4789224
https://doi.org/10.1063/1.4789224
Autor:
Matthias Weise, Viktor Bovtun, Uwe Beck, Marc Kreutzbruck, Jürgen Bartusch, Gerhard Brekow, Mate Gaal, Joachim Döring
Publikováno v:
2011 IEEE International Ultrasonics Symposium.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52084afa96a4ee81639b6b1384428de0
https://doi.org/10.1109/ultsym.2011.0416
https://doi.org/10.1109/ultsym.2011.0416
Autor:
Gottfried Schenk, Daniel Brackrock, Gerhard Brekow, Marc Kreutzbruck, W. A. K. Deutsch, M. Joswig, K. Maxam, V. Schuster, Donald O. Thompson, Dale E. Chimenti
Publikováno v:
AIP Conference Proceedings.
Within a know‐how transfer project funded by the government conventional ultrasonic technique was replaced by phased array technique for automated round‐bar testing. Instead of applying a great number of conventional probes to achieve acceptable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::034c14b61c135748bd63d2f81b7c3cd3
https://doi.org/10.1063/1.3362527
https://doi.org/10.1063/1.3362527
Autor:
Rainer Boehm, Daniel Brackrock, Jessica Kitze, Gerhard Brekow, Marc Kreutzbruck, Donald O. Thompson, Dale E. Chimenti
Publikováno v:
AIP Conference Proceedings.
The spatial resolution in ultrasonic testing as a wave phenomenon in nature is limited to a certain fraction of the wavelength, usually defined to be close to the Rayleigh criterion. In case of complicated reflector surfaces—such as stress corrosio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::885bf6ed3a4c0a66d39e278835591673
https://doi.org/10.1063/1.3362490
https://doi.org/10.1063/1.3362490
Autor:
Gerhard Brekow, Herrmann Wüstenberg, E. Szafarska, E. Hein, Anton Erhard, Hans-Joachim Montag
Publikováno v:
Materials Testing. 31:311-314
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6360450d4fb81e523b1fd761f0102d8
https://doi.org/10.1515/mt-1989-311008
https://doi.org/10.1515/mt-1989-311008