Conference Paper:
World Conference on Non-Destructive Testing 06/2016, At Munich, Germany; 19:Tu.1.D.4
DOI: 10.13140/RG.2.1.1871.8327
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 d...
Book:
06/2016, At Berlin
Publisher: Bundesanstalt für Materialforschung und -prüfung (BAM), ISBN: 978-3-9818270-1-9
Non-destructive testing (NDT) has become indispensable in areas of our lives where damage can result in high follow-up costs or pose a threat to human life (examples: transportation, power generation,...
Volker Steger
Supervisors: Johannes Vrana, Alexander Zimmer, Hubert Mooshofer
Video:
YouTube
Siemens YouTube Channel 05/2016
Hidden cavities in turbine or generator shafts can lead to catastrophic accidents. A new industrial ultrasound technique from Siemens can see inside these metal parts more clearly than ever before. In addition to improving safety and extending the ...
Bernd Müller
Supervisors: Johannes Vrana, Alexander Zimmer, Hubert Mooshofer
Article:
Pictures of the Future 03/2016
Hidden cavities or chemical contamination in turbine or generator shafts can lead to catastrophic accidents. A new industrial ultrasound technique from Siemens can see inside these metal parts more clearly than ever before. ...
Herbert Bartsch, Mathias Bauer, Dirk Bösel, Wolfgang Daum, Walter Lobmüller, Hans-Peter Lohmann, Karl-Wilhelm Möller, Ralf Nothdurft, Marcus Pitone, Bernd Rabensteiner, Marco Redieß, Peter Richter, Werner Schnieders, Johannes Vrana
Book:
02/2016; VGB-S-504-00-2015-12-DE(2)
Publisher: VGB PowerTech Service GmbH, ISBN: 978-3-86875-879-5
The safe operation and high availability of turbine systems place high demands on the reliability—and thus on the quality—of the components used. The experience gained in the manufacture of large cast...
Marcel Preißel
Supervisors: Johannes Vrana, Thomas Heckel, Jürgen Bauch
Book:
07/2015
Optimizing the scanning grid in automated ultrasonic testing of large forgings: Simulative and experimental validation of the DGZfP guideline and analysis of the Probability of Detection (POD).
Conference Paper:
DACH Tagung 05/2015, At Salzburg, Austria; 2015
Quality requirements for large forgings—which are used in particular in the power generation industry in the form of turbine and generator rotors—have risen steadily in recent years. For this reason, ...
Article:
AIP Conference Proceedings 04/2015; 1650:562–570
DOI: 10.1063/1.4914654
Publisher: AIP Publishing LLC
The radiographic testing (RT) is a non-destructive testing (NDT) method capable of finding volumetric and open planar defects depending on their orientation. The radiographic contrast is higher for la...
Hubert Mooshofer, Karsten Schörner, Uwe Büchner, Werner Heinrich, Karsten Kolk, Hans-Peter Lohmann, Johannes Vrana
Patent:
DE102013211304A1,WO2014202237
12/2014
Inspecting materials or structures for internal flaws using traditional ultrasound equipment often involves a trade-off, as a single probe size struggles to provide clear imaging at both shallow and d...
Johannes Vrana, Alexander Zimmer, Kevin Bailey, Paul Zombo, Axel Buschmann, Robert E. Shannon, Hans-Peter Lohmann, Werner Heinrich
Conference Paper:
NDT Portuguese National Conference 12/2014, At Lisbon, Portugal; 3
DOI: 10.13140/2.1.4993.9526
Heavy rotor forgings for land-based power generation turbines and generators are inspected ultrasonically. Several decades ago the first inspections were conducted using manual, straight beam, contact...
Article:
Insight: Non-Destructive Testing and Condition Monitoring 12/2014; 56(12):664–668
DOI: 10.1784/INSI.2014.56.12.664
Publisher: British Institute of Non-Destructive Testing (BINDT)
The evaluation of non-destructive testing (NDT) methods in terms of reliability is an increasing demand in various industries and applications. The probability of detection (POD) is the most frequentl...
Patent:
DE102013209615A1,EP2965076, US2016069843, WO2014187580
11/2014
Here is a clear, easy-to-understand summary of the invention for a general audience: Ultrasonic testing systems are commonly used to inspect industrial discs for hidden flaws, but ensuring these di...