Stefan Rannabauer
Otto-von-Guericke University Magdeburg
Network
Latest external collaboration on country level. Dive into details by clicking on the dots.
Publication
Featured researches published by Stefan Rannabauer.
Materials | 2017
Xiaodong Chen; Ulf Betke; Stefan Rannabauer; Paul Peters; Gerrit Söffker; Michael Scheffler
The combination of high strength and toughness, excellent wear resistance and moderate density makes zirconia-toughened alumina (ZTA) a favorable ceramic, and the foam version of it may also exhibit excellent properties. Here, ZTA foams were prepared by the polymer sponge replication method. We developed an immersion infiltration approach with simple equipment and operations to fill the hollow struts in as-prepared ZTA foams, and also adopted a multiple recoating method (up to four cycles) to strengthen them. The solid load of the slurry imposed a significant influence on the properties of the ZTA foams. Immersion infiltration gave ZTA foams an improvement of 1.5 MPa in compressive strength to 2.6 MPa at 87% porosity, only resulting in a moderate reduction of porosity (2–3%). The Weibull modulus of the infiltrated foams was in the range of 6–9. The recoating method generated an increase in compression strength to 3.3–11.4 MPa with the reduced porosity of 58–83%. The recoating cycle dependency of porosity and compression strength is nearly linear. The immersion infiltration strategy is comparable to the industrially-established recoating method and can be applied to other reticulated porous ceramics (RPCs).
Chemie Ingenieur Technik | 2016
Ulf Betke; Steven Proemmel; Jakob G. Eggebrecht; Stefan Rannabauer; Alexandra Lieb; Michael Scheffler; Franziska Scheffler
Microporous and Mesoporous Materials | 2017
Ulf Betke; Steven Proemmel; Stefan Rannabauer; Alexandra Lieb; Michael Scheffler; Franziska Scheffler
Advanced Engineering Materials | 2017
Tobias Fey; Ulf Betke; Stefan Rannabauer; Michael Scheffler
Materials Letters | 2016
Ulf Betke; Kashyapa S.K. Sharma; Andreas Rodak; Stefan Rannabauer; Alexandra Lieb; Franziska Scheffler; Michael Scheffler
Journal of The European Ceramic Society | 2014
Bjoern Reinhardt; Jan Herwig; Stefan Rannabauer; Michael Scheffler; Dirk Enke
Advanced Engineering Materials | 2017
Ulf Betke; Sebastian Dalicho; Stefan Rannabauer; Alexandra Lieb; Franziska Scheffler; Michael Scheffler
Advanced Engineering Materials | 2017
Stefan Rannabauer; Gerrit-Maximilian Söffker; Marcel Scheunemann; Ulf Betke; Michael Scheffler
Advanced Engineering Materials | 2014
Niko Mantzel; Stefan Rannabauer; Ethel C. Bucharsky; Karl G. Schell; Michael J. Hoffmann; Michael Scheffler
Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science | 2015
Georg Hasemann; Torben Baumann; Sebastian Dieck; Stefan Rannabauer; Manja Krüger