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...
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,...
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...
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...
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...
Johannes Vrana, Peter Archinger, Otto Alfred Barbian, Wolfram Deutsch, Peter Kreier, Roland Reimann, Udo Schlengermann, Herbert Willems, Kay Drewitz, Alexander Zimmer, Frank W. Bonitz, Mathias Böwe, Klaus Conrad, Werner Heinrich, Gerhard Brekow, Wolfgang Kappes, Hans Rieder
Conference Paper:
European Conference on Non-Destructive Testing 10/2014, At Pargue, Czech Republic; 11
DOI: 10.13140/2.1.1204.9920
Heavy rotor forgings, in particular for the power generation market, are highly stressed components and the ultrasonic inspection is the most important method to guarantee a sufficient material qualit...
Hubert Mooshofer, Karl Fendt, Uwe Büchner, Werner Heinrich, Karsten Kolk, Hans-Peter Lohmann, Johannes Vrana
Conference Paper:
Seminar des Fachausschusses Ultraschallprüfung 11/2013, At Berlin, Germany; 2013
In the power generation industry, ultrasonic testing is an indispensable tool for the nondestructive testing of components that are subjected to high stresses during operation. Manufacturing inspectio...
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