Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Continuous measurement methods for non-invasive determination of bladder volume
Möllmann, Romina; Gröting, Wolfgang; Ihl, Ralf; Seidl, Karsten
Conference Paper
2019Schallbasiertes System zur Prozessüberwachung und –regelung von produktionstechnischen Fertigungsverfahren
Georgi, Oliver; Rentzsch, Hendrik
Study
2018GPU-accelerated Matrix-Free 3D Ultrasound Reconstruction for Nondestructive Testing
Kirchhof, Jan; Semper, Sebastian; Römer, Florian
Conference Paper
2018New Developments in the Field of Ultrasound Enhanced Friction Stir Welding of Dissimilar Materials
Thomä, Marco; Wagner, Guntram; Straß, Benjamin; Wolter, Bernd; Benfer, Sigrid; Fürbeth, Wolfram
Conference Paper
2018An ultrasonic non-destructive testing method for evaluating resistance spot welding quality
Wu, Yupeng; Wei, Ziang; Osman, Ahmad; Zhang, Xiaodan; Zhang, Baojun; Cai, Guixi; Han, Xiaohui; Zhou, Qingxiang; Zhao, Yang
Conference Paper
2017Achieving fluid detection by exploiting shadow detection methods
Noll, Matthias; Puhl, Julian; Wesarg, Stefan
Conference Paper
2017Implementation issues of 3D SAFT in time and frequency domain for the fast inspection of heavy plates
Krieg, Fabian; Kirchhof, Jan; Römer, Florian; Ihlow, Alexander; Galdo, Giovanni del; Osman, Ahmad
Conference Paper
2017Sparse signal recovery for ultrasonic detection and reconstruction of shadowed flaws
Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Ihlow, Alexander; Osman, Ahmad; Galdo, Giovanni del
Conference Paper
2017Verfahren, Vorrichtung und Verwendung der Vorrichtung zur quantitativen Bestimmung der Konzentration oder Partikelgrößen einer Komponente eines heterogenen Stoffgemisches
 
Report
2016An automatic free fluid detection for Morrison´s-Pouch
Noll, Matthias; Wesarg, Stefan
Conference Paper
2016Hybrid methods for materials characterization
Tschuncky, Ralf; Szielasko, Klaus; Altpeter, Iris
Book Article
2016Ultrasonic techniques for materials characterization
Hübschen, Gerhard
Book Article
2015Analytical calibration of linear transducer arrays for photoacoustic tomography
Öri, M.; Bost, W.; Fournelle, M.
Conference Paper
2015Non-destructive stress determination of steel elements in pre-stressed constructions using micromagnetic and ultrasound methods
Kurz, Jochen Horst; Szielasko, Klaus; Tschuncky, Ralf
Conference Paper
2015Opportunities and applications of ultrasound sensing on unmodified consumer-grade smartphones
Karolus, Jakob
: Kuijper, Arjan (1. Gutachter); Fu, Biying (2. Gutachterin)
Master Thesis
2015Opportunities for activity recognition using ultrasound doppler sensing on unmodified mobile phones
Fu, Biying; Karolus, Jakob; Große-Puppendahl, Tobias; Hermann, Jonathan; Kuijper, Arjan
Conference Paper
2015Strahlenbasierte Segmentierung der Niere in 3D Ultraschall Daten
Nadolny, Anne
: Noll, Matthias (Betreuer)
Master Thesis
2014Automated kidney detection and segmentation in 3D ultrasound
Noll, Matthias; Li, Xin; Wesarg, Stefan
Conference Paper
2014Early detection of critical material degradation by means of electromagnetic multi-parametric NDE
Szielasko, Klaus; Tschuncky, Ralf; Rabung, Madalina; Seiler, Georg; Altpeter, Iris; Dobmann, Gerd; Herrmann, Hans-Georg; Boller, Christian
Conference Paper
2014Improving the Reliability of NDT Inspection through Information Fusion Applications in X-Ray and Ultrasound Modalities
Osman, Ahmed; Kaftandjian, Valérie; Hassler, Ulf
Conference Paper
2014Innovative solution for ultrasonic fabrication test of railroad wheels
Kappes, Wolfgang; Bähr, Werner; Schäfer, Wolfgang; Schwender, Thomas; Knam, Andreas; Knapp, Frank
Conference Paper
2014Integrierte miniaturisierte Kameras zur Instrument- und Zielfindung in medizinischen Anwendungen
Hoßbach, Martin
: Sakas, Georgios (Referent); Fellner, Dieter W. (Referent)
Dissertation
2014Online monitoring of additive manufacturing processes using ultrasound
Rieder, Hans; Dillhöfer, Alexander; Spies, Martin; Bamberg, Joachim; Hess, Thomas
Conference Paper
2014Real-time monitoring of crack growth behaviour during impact and compact tension test with non-destructive testing
Szielasko, Klaus; Tschuncky, Ralf; Altpeter, Iris; Dobmann, Gerd; Boller, Christian
Conference Paper
2014Theoretical description of ultrasonic propagation and scattering phenomena in polycrystalline structures aiming for simulations on nondestructive materials characterization
Hirsekorn, Sigrun
Conference Paper
2014Ultrasonic pipe inspection with conventional transducers or phased-arrays?
Orth, Thomas; Chichkov, Nikolai; Schmitte, Till; Spies, Martin
Conference Paper
2013Early detection of fatigue at elevated temperature in austenitic steel using electromagnetic ultrasound transducers
Seiler, Georg; Szielasko, Klaus; Tschuncky, Ralf; Altpeter, Iris; Mironenko, Ivan; Boller, Christian; Sorich, Andreas; Smaga, Marek; Eifler, Dietmar
Conference Paper
2013Enhanced vessel segmentation in ultrasound by registration with CT
Weiler, Marcel
: Sakas, Georgios (1. Gutachter); Keil, Matthias (2. Gutachter)
Bachelor Thesis
2013NDT for need based maintenance of bridge cables, ropes and pre-stressed elements
Kurz, Jochen Horst; Laguerre, Laurent; Niese, Frank; Gaillet, Laurent; Szielasko, Klaus; Tschuncky, Ralf; Treyssede, Fabien
Journal Article
2013Refinement and expansion of matched vessel graphs for intraoperative deformable registration of hepatic CT and ultrasound
Keil, Matthias; Kaisler, Alexander; Oyarzun Laura, Cristina; Wesarg, Stefan
Conference Paper
2013Simplified stereo-optical ultrasound plane calibration
Hoßbach, Martin; Noll, Matthias; Wesarg, Stefan
Conference Paper
2013Ultraschallbasierte Navigation für die minimalinvasive onkologische Nieren- und Leberchirurgie
Keil, Matthias
: Sakas, Georgios (Referent); Fellner, Dieter W. (Referent); Mönch, Christian (Referent)
Dissertation
2012Atomic force microscopy - what is it all about, and what does it tell us about the microstructure of metals?
Hirsekorn, Sigrun
Conference Paper
2012Basic investigations to establish an ultrasonic stress evaluation technique for aero engine materials
Hubel, Sebastian; Dillhöfer, Alexander; Rieder, Hans; Spies, Martin; Bamberg, Joachim; Hessert, Roland; Preikszas, Christina
Conference Paper
2012Combining B-mode and color flow vessel segmentation for registration of hepatic CT and ultrasound volumes
Keil, Matthias; Oyarzun Laura, Cristina; Drechsler, Klaus; Wesarg, Stefan
Conference Paper
2012Real-time 3D-simulation tool for ultrasonic transducers used in aeroengine component inspections
Spies, Martin; Dillhöfer, Alexander; Rieder, Hans; Dobrovolskij, Dascha
Conference Paper
2012Stand der Entwicklungen zur zerstörungsfreien Bestimmung der Längsspannung in Bewehrungsstäben von Betonbauwerken
Schneider, Eckhardt; Bindseil, Peter; Boller, Christian; Kurz, Wolfgang
Journal Article
2011Effect of using different U/S probe Standoff materials in image geometry for interventional procedures: The example of prostate
Diamantopoulos, Stefanos; Milickovic, Natasa; Butt, Saeed; Katsilieri, Zaira; Kefala, Vasiliki; Zogal, Pawel; Sakas, Georgios; Baltas, Dimos
Journal Article
2011Microstructure characterization and imaging of fine-grainded steel by microscopic ultrasonic techniques
Hirsekorn, Sigrun; Rabe, Ute; Batista, Leonardo; Behl, L.
Conference Paper
2011NDT based process monitoring and control
Wolter, Bernd; Dobmann, Gerd; Boller, Christian
Journal Article
2011A novel stereotactic prostate biopsy system integrating pre-interventional magnetic resonance imaging and live ultrasound fusion
Hadaschik, Boris A.; Kuru, Timur H.; Tulea, Corina; Rieker, Philip; Popeneciu, Ionel V.; Simpfendörfer, Tobias; Huber, Johannes; Zogal, Pawel; Teber, Dogu; Pahernik, Sascha; Roethke, Matthias; Zamecnik, Patrik; Roth, Wilfried; Sakas, Georgios; Schlemmer, Heinz-Peter; Hohenfellner, Markus
Journal Article
2011Recent experiences with ultrasonic inspection of baffle former bolts
Debnar, A.; Alaerts, L.; Spies, M.; Minogue, P.; Epineau, C.
Conference Paper
2011Smart ultrasonic sensors systems: Investigations on aluminum nitride thin films for the excitation of high frequency ultrasound
Walter, S.; Herzog, T.; Heuer, H.; Bartzsch, H.; Glöß, D.
Conference Paper
2010A 3D-elastography-guided system for laparoscopic partial nephrectomies
Stolka, Philipp J.; Keil, Matthias; Sakas, Georgios; McVeigh, Elliot R.; Allaf, Mohamad E.; Taylor, Russell H.; Boctor, Emad
Conference Paper
2010Control and data acquisition of automated multi-sensor systems - two examples civil engineering
Kurz, J.H.; Stoppel, M.; Taffe, A.; Dobmann, G.
Conference Paper
2010Erhöhung der Auffindwahrscheinlichkeit POD von Fehlern im Inneren von strukturellen Materialien mit hoher Schallschwächung durch die Verwendung von SAFT-prozessierten Ultraschall-Prüfdaten
Spies, M.; Rieder, H.
Journal Article
2010Quantitative tomographic non-destructive testing for flaw size measurement and life time prediction
Ewert, U.; Redmer, B.; Kreutbruck, M.; Bulavinov, A.; Netzelmann, U.
Conference Paper
2010Synthetic aperture focusing of ultrasonic inspection data to enhance the probability of detection of defects in strongly attenuating materials
Spies, M.; Rieder, H.
Journal Article
2009EMAT's and its potential for modern NDE - state of the art and latest applications
Salzburger, H.-J.
Conference Paper
2009Enhancement of the POD of flaws in the bulk of highly attenuating structural materials by using SAFT processed ultrasonic inspection data
Spies, M.; Rieder, H.
Conference Paper
2009Ultrasound and CT registration quality: Elastography vs. classical B-mode
Keil, Matthias; Stolka, Philipp J.; Wiebel, Marion; Sakas, Georgios; McVeigh, Elliot R.; Taylor, Russell H.; Boctor, Emad
Conference Paper
2008MEDical NETwork. MedNET helps rural Peru access health care services with telemedicine via satellite
Menary, Wayne; Sachpazidis, Ilias; Rizou, Despoina; Cardenas, J.; Cabrera, C.
Journal Article
2008Operational challenges: Extension of propeller welding repairs for a higher availability of ships
Junglewitz, A.; Spies, M.; Rieder, H.
Conference Paper
20072D-3D and 3D-3D fusion imaging (US & CT/MR): Interventional US applied to prostate brachytherapy
Baltas, Dimos; Sakas, Georgios; Steckenreiter, O.; Karabis, A.; Giannouli, S.; Sauvonet, B.; Zamboglou, N.
Conference Paper
20072D-3D fusion imaging (US & CT/MR): Interventional US applied to liver RF ablation
Beni, S. de; Grimm, Marcus; Maccio, M.; Sakas, Georgios; Solbiati, L.
Conference Paper
2007Evaluation of ultrasonic scattering at LCF cracks including optically measured, real roughness profiles
Spies, Martin; Satzger, W.; Bamberg, J.
Conference Paper
2007Freehand 3D/4D ultrasound: Extending existing U/S devices
Sakas, Georgios; Grimm, Marcus
Conference Paper
2007Non-destructive testing of laser welds in tailored blanks using electromagnetic transducers
Berniga, G.; Hohl, J.V.; Salzburger, H.-J.; Arnold, W.
Journal Article
2007Nonlinear ultrasonic transmission through thin bonded interface: Theoretical background and numerical simulations
Hirsekorn, S.; Hirsekorn, M.; Delsanto, P.P.
Book Article
2007Recognition of ultrasonic multi-echo sequences for autonomous symbolic indoor tracking
Stuhlsatz, A.
Conference Paper
2007The spectral analysis of a PM space unit in the context of the classification of nonlinear phenomena in ultrasonic wave propagation
Hirsekorn, S.
Book Article
2006Challenges for the development of nondestructive testing (NDT) in pipeline inspection
Dobmann, G.; Barbian, O.
Conference Paper
2006Characterization and evaluation of composite laminates by nonlinear ultrasonic transmission measurements
Hirsekorn, S.; Rabe, U.; Arnold, W.
Conference Paper
2006Enhanced medical services in Amazon over AmerHis satellite
Sachpazidis, I.; Selby, P.; Binotto, A.; Sakas, G.; Pereira, C.
Conference Paper
2006Guided waves for SHM applications
Frankenstein, B.; Schubert, F.; Schubert, L.; Berthold, A.; Hentschel, D.
Conference Paper
2006A medical network for teleconsultations in Brazil and Colombia
Sachpazidis, I.; Kiefer, S.; Selby, P.; Ohl, R.; Sakas, G.
Conference Paper
2006Nondestructive testing of pressurized components - a quantitative approach
Kröning, M.
Conference Paper
2006Semiempirischer Ansatz zur Simulation der Strömung bei der Klärschlammdesintegration in einem Ultraschalldurchflussreaktor
Maas, R.; Friedrich, H.
Conference Paper
2006T@lemed: Ehealth applications applied to underserved areas in Latin America
Sachpazidis, I.; Ohl, R.; Binotto, A.; Torres, M.S.; Messina, L.A.; Sales, A.; Gomes, R.; Sakas, G.
Journal Article
2006T@LEMED: Medical imaging tele-cooperation technologies providing medical services in Latin America
Sachpazidis, I.; Konnis, G.; Kiefer, S.; Rohm, K.; Lozano, A.; Yunda, L.; Selby, P.; Binotto, A.; Messina, L.A.; Sakas, G.
Conference Paper
2006T@lemed: Um Estudo de Caso de Tele-saúde Baseado em Imagens de Ultra-som
Binotto, Alecio; Torres, Marcio Soares; Sachpazidis, Ilias; Gomes, Ricardo; Pereira, Carlos Eduardo
Conference Paper
2006Ultrasonic testing of thick walled austenitic welds: Modelling and experimental verification
Köhler, B.; Müller, W.; Spies, M.; Schmitz, V.; Zimmer, A.; Langenberg, K.-J.; Mletzko, U.
Conference Paper
2005State-of-the-art in-line pipe inspection
Dobmann, G.; Barbian, O.
Conference Paper
2005Telemedicine in developing countries, optimizing health care resources by telehealth platforms, an example from Latin-America
Kiefer, S.; Sachpazidis, I.
Conference Paper
2004Calculation of high frequency ultrasonic signals for shear wave insonification in solid material
Schmitz, V.; Langenberg, K.-J.; Chakhlov, S.
Journal Article
2004Evaluation of stress states and mechanical properties of rolled products using electromagnetic and ultrasonic methods
Schneider, E.
Journal Article
2004Ultrasonic imaging of rubber material
Hentschel, D.
Conference Paper
2004Wärmefluss-Thermographie-Systeme - Allrounder für Inneres
Bauer, N.; Meinlschmidt, P.; Netzelmann, U.
Journal Article
2003Theoretical and experimental investigation of the interaction forces in thin bonded interfaces by nonlinear ultrasonic transmission
Hirsekorn, S.; Koka, A.; Arnold, W.
Conference Paper
2002Evaluation of the contact resonance frequencies in atomic force microscopy as a method for surface characterisation
Rabe, U.; Kopycinska, M.; Hirsekorn, S.; Arnold, W.
Journal Article
2002Flexural vibration behavior of piezoelectric heterogeneous bimorph beams
Hirsekorn, S.
Journal Article
2001In-line quality control of laser welds of tailored blanks by couplant free ultrasonic inspection
Salzburger, H.-J.; Mohrbacher, H.
Conference Paper
2001Prüfung von Elastomeren mit Hilfe neuer zerstörungsfreier Prüfverfahren
Netzelmann, U.; Walle, G.; Wolter, B.; Sklarczyk, C.; Maisl, M.
Journal Article
2001Registration of anatomical structures based on high frequency ultrasound data for intraoperative support
Becker, M.
: Müller-Wittig, W.K. (Prüfer); Felger, W. (Prüfer)
Thesis
2000Experiences with Synthetic Aperture Focusing Technique in the Field
Schmitz, V.; Chakhlov, S.; Müller, W.
Journal Article
2000Non-destructive testing of wheel-sets as a contribution to safety of rail traffic
Kappes, W.; Kröning, M.; Rockstroh, B.; Salzburger, H.-J.; Walte, F.
Conference Paper
2000Ultrasonic Methods to Detect and Evaluate Damage in Steel
Hirsekorn, S.; Andel, P.W. van; Netzelmann, U.
Journal Article
19993D Ray Tracing in Austenite Materials
Schmitz, V.; Walte, F.; Chakhlov, S.V.
Journal Article
1999Lateral Force Microscopy using Acoustic Friction Force Microscopy
Scherer, V.; Arnold, W.; Bhushan, B.
Journal Article
1999Modeling of Graded 1-3 Composite Piezoelectric Transducers
Hirsekorn, S.; Gebhardt, E.; Arnold, W.
Conference Paper
1998Active Friction Control Using Ultrasonic Vibration
Scherer, V.; Arnold, W.
Conference Paper
1998High-Resolution Materials Characterization by Conventional and Near-Field Acoustic Microscopy
Hirsekorn, S.; Arnold, W.
Journal Article
1997Comparison of pulse-echo-methods for testing concrete
Krause, M.; Bärmann, R.; Frielinghaus, R.; Kretschmar, C.; Kroggel, O.; Langenberg, K.J.; Maierhofer, C.; Müller, V.; Neisecke, J.; Schickert, M.; Schmitz, V.; Wiggenhauser, H.; Wollbold, F.
Journal Article
1997Detection and Sizing of Cracklike Defects in the Tread of Railway Wheels by Linearly Polarized Ultrasonic Shear Waves. Technique and Equipment
Hintze, H.; Salzburger, H.-J.
Conference Paper
1996Berechnungen zur Ultraschallüberwachung im Kraftmikroskop
Hirsekorn, S.; Arnold, W.; Rabe, U.
Conference Paper
1996Characterization of creep and fatigue damage using laser generated ultrasound
Kalyanasundaram, P.; Paul, M.; Raj, B.; Arnold, W.
Conference Paper
1996Characterization of green ceramics by microwaves and ultrasound
Kröning, M.; Schneider, R.; Netzelmann, U.
Conference Paper
1996Measurement of adhesion strength using nonlinear acoustics
Kröning, M.; Fassbender, S.; Arnold, W.
Conference Paper
1996Measurement of Wall-Thickness at Extreme Temperatures Using EMATs
Kröning, M.; Salzburger, H.-J.; Smorodinski, Y.; Mironenko, V.; Bernus, L. von
Conference Paper
1996Miniaturisierung und Erhöhung des Frequenzbereiches von EMUS-Winkelprüfköpfen durch Einsatz von Hochfrequenz-Übertragern
Salzburger, H.-J.; Hübschen, G.
Conference Paper
1996Tiefenbestimmung von Laufflächenfehlern an Eisenbahnrädern unter Nutzung linearer polarisierter Transversalwellen. Verfahrens-Optimierung und Erprobung
Salzburger, H.-J.; Hintze, H.
Conference Paper
1995Comparison of pulse-echo-methods for testing concrete
Krause, M.; Bärmann, R.; Müller, W.; Schmitz, V.
Conference Paper
1995Self-tracking ultrasonic inspection
Herzer, H.-R.; Frick, O.; Keferstein, C.P.; Arnold, W.
Journal Article
1995Ultraschallmodellierung mit dem EFIT-Code zur zerstörungsfreien Prüfung an Beton und isotropen Schweißnähten
Walte, F.; Klaholz, S.; Langenberg, K.-J.; Bärmann, R.; Marklein, R.; Irmer, S.; Müller, H.
Conference Paper
1995Ultrasonic birefringence effect - its application for materials characterizations
Schneider, E.
Journal Article
1995Zerstörungsfreie Festigkeitsuntersuchungen an Spanplatten mit Ultraschallmeßtechniken
Greubel, D.; Plinke, B.
Journal Article
1994Data acquisition and evaluation with f-processor controlled automatic ultrasonic testing systems.
Schmitz, V.; Kappes, W.
Conference Paper
1994Materials Characterization with the Acoustic Microscopy
Hirsekorn, S.; Pangraz, S.
Journal Article
1994Measurement of vibration induced by diagnostical ultrasound in an eye model with simulted retina
Brand, U.; Mengedoht, K.; Pessel, M.; Paul, M.; Trier, H.
Conference Paper
1994Quantitative Bestimmung der Haftfestigkeit mittels nichtlinearer Akustik gezeigt am Beispiel von PVB-geklebtem Verbundglas.
Pangraz, S.; Arnold, W.
Conference Paper
1994Quantitative determination of nonlinear binding forces by ultrasonic technique
Pangraz, S.; Arnold, W.
Conference Paper
1993Materials characterization at high temperatures using laser ultrasound
Paul, M.; Arnold, W.; Haberer, B.
Journal Article
1993Quantitative Modellierung von Ultraschallprüfsituationen - Vergleich von Theorie und Experiment
Langenberg, K.-J.; Zanger, P.; Schuhmacher, S.
Conference Paper
1993Reliability assurance of railroad wheels by ultrasonic stress analysis
Schneider, E.; Bruche, D.; Frotscher, H.; Herzer, H.-R.
Conference Paper
1993Untersuchungen zum Einfluß von ferritischen Phasen in austenitischen Schweißnähten auf die Schallfeldvermessung mit elektromagnetischen Sonden
Walte, F.; Schurig, C.; Kretzschmar, F.
Conference Paper
1992Characterization of surfaces and surface-near zones of solid materials by acoustical imaging techniques
Arnold, W.; Netzelmann, U.; Pangraz, S.
Book Article
1991Auslegung von LLT-Prüfköpfen mittels elastodynamischer Näherungsmodelle
Kühnicke, E.; Schamlott, A.; Gebhardt, W.; Walte, F.
Conference Paper
1991Early detection of creep damage by ultrasonic and electromagnetic techniques
Dobmann, G.; Herbert, W.
Conference Paper
1991Mikro-zfP als neues Aufgabenfeld der ZfP
Arnold, W.; Kröning, M.
Conference Paper
1991Testing particle boards
Greubel, D.
Journal Article
1990Elastic properties of polycrystals - a review
Hirsekorn, S.
Journal Article
1990Non-destructive evaluation of engineering ceramics by high-frequency acoustic techniques
Arnold, W.; Herzer, R.; Pangraz, S.; Simon, H.
Conference Paper
1990UT with SH-waves and electromagnetic ultrasonic -EMUS-transducers
Hübschen, G.
Conference Paper
1989Automatische wiederkehrende Ultraschallprüfung der Laufflächen von Hochgeschwindigkeits-Schienenfahrzeugen
Schmidt, W.; Salzburger, H.J.
Conference Paper
1989A new miniaturized ultrasonic circular array for endoscopic application in NDT and medicine
Becker, P.-J.; Biebinger, M.; Schmitt, R.M.; Schwarz, H.-P.; Welsch, H.-J.
Conference Paper
1989Nondestructive characterization of material properties by an automated ultrasonic technique
Panakkal, J.P.; Peukert, H.; Willems, H.
Conference Paper
1989Ultrasonic attenuation measurement using backscattering technique
Goebbels, K.; Willems, H.
Conference Paper
1988A new design of the RF-part of electromagnetic-ultrasonic EMUS-transducers
Salzburger, H.J.
Conference Paper
1988Thickness measurements of sheets and plates with horizontally polarized guided plate waves -SH-modes- and electromagnetic ultrasonic EMUS-transducers
Repplinger, W.; Salzburger, H.J.
Conference Paper
1987Früherkennung von Kriechschädigung mittels Ultraschall-Verfahren
Willems, H.
Conference Paper
1987The influence of high-temperature creep on the ultrasonic velocity in alloy 800H
Willems, H.
Conference Paper
1987A new method for the measurement of ultrasonic absorption in polychristalline materials
Willems, H.
Conference Paper
1985US-testing from outside in nozzle geometries -computerized scanning patterns-
Wüstenberg, H.; Hübschen, G.; Maier, H.J.
Conference Paper