Patent:
DE102016218958A1
04/2018
Inspecting critical objects for hidden damage or flaws usually requires knowing the exact physical location of the testing tool, which can be difficult to track accurately in real time. This invention...
Article:
steel research international 02/2018; 89(4):1700448
DOI: 10.1002/srin.201700448
Publisher: Wiley
Forgings, being usually one of the most critical components especially in power generation machinery, require intensive volumetric inspection to guarantee a sufficient lifetime. This is usually accomp...
Presentation:
Thermografie-Anwenderkonferenz 10/2017, At Munich,Germany; 2017
DOI: 10.13140/RG.2.2.13650.86728
Active thermography, using electromagnetic excitation, is a non-contacting, non-destructive evaluation method with a wide range of applications. It allows detecting inhomogenities, like cracks...
Conference Paper:
MPA-Seminar 10/2017, At Stuttgart, Germany; 49
Most demanding components-for example heavy rotor forgings for the energy sector-are inspected with volumetric and surface detection NDE methods-either manually or using automated systems. The data co...
Conference Paper:
Thermographie-Kolloquium 2017 09/2017, At Berlin, Germany; 13
Active thermography, using electromagnetic excitation, is a non-contacting, non-destructive evaluation method with a wide range of applications. It allows detecting inhomogenities, like cracks, at or ...
Conference Paper:
International Forgemasters Meeting - IFM 2017 09/2017, At Graz, Austria; 20:1066
Forgings, being usually one of the most critical components especially in power generation machinery, require intensive volumetric inspection to guarantee a sufficient lifetime. This is usually accomp...
Conference Paper:
International Forgemasters Meeting - IFM 2017 09/2017, At Graz, Austria; 20:1106
Active thermography, using electromagnetic excitation, is a non-contacting, non-destructive evaluation method with a wide range of applications. It allows detecting inhomogenities, like cracks, at or ...
Alexander Seeber
Supervisors: Hubert Mooshofer, Johannes Vrana, Stefan Hofmann
Book:
08/2017
Numerical 3D-EFIT modeling of elastic wave scattering at small defects in NDT: Overcoming Kirchhoff's approximation limits and extending the DGS method for accurate, globally valid ultrasonic defect sizing.
Johannes Vrana, Hubert Mooshofer, Werner Heinrich, Karl Fendt, Matthias Goldammer, Karsten Kolk, Rainer Boehm
Conference Paper:
DGZfP Jahrestagung 05/2017, At Koblenz, Germany; 2017:Di.1.C.3
The evaluation of defect size and the determination of the detection limit play a central role in ultrasonic testing: They ensure that critical defects can be detected and addressed from a fracture me...
Article:
ZfP-Zeitung 07/2016; 150:52-57
In recent years, quality requirements for large forgings used in power generation equipment—particularly for turbine and generator rotors—have steadily increased. For this reason, forgings are now pri...
Conference Paper:
World Conference on Non-Destructive Testing 06/2016, At Munich, Germany; 19:Th.2.A.5
Several decades ago the first ultrasonic inspections were introduced to assure component integrity. Those were, in the beginning, manual, straight beam, contact probe inspections with simple, non-desc...
Conference Paper:
World Conference on Non-Destructive Testing 06/2016, At Munich, Germany; 19:We.2.B.1
SAFT (Synthetic Aperture Focusing Technique) has substantial benefits over conventional UT and becomes increasingly popular due to the computational power available nowadays. In addition to more preci...
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