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Name
Institutionelles Repositorium der Leibniz Universität Hannover
Type
Institutional Repository
Items
991 Publications
Compatibility
OpenAIRE 3.0 (OA, funding)
OAI-PMH
http://www.repo.uni-hannover.de/oai/openaire
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  • Dynamische In-Vitro-Studie zur Strömungsabhängigkeit der Degradationsrate von Magnesium

    Zur Schaffung eines standardisierten Versuchsablaufs für Studien zur Magnesiumdegradation im Rahmen der Entwicklung eines biodegradablen Implantatwerkstoffs, wurde eine Steuerung für einen Prüfstand zur dynamischen in-vitro-Testung programmiert und deren Funktionsfähigkeit mit einer Testreihe bestätigt. Durch die Ergebnisse dieser Versuchsreihe konnte zudem die Strömungsabhängigkeit der Degradationsrate von Magnesium nachgewiesen werden.

    Quality assessment of high resolution radar DSMs

    Radar remote sensing has a significant role in remote sensing technologies and develops rapidly. A series of new synthetic aperture radar (SAR) satellites has been launched to space having various operation modes which offer different resolutions and advantages. A very actual SAR satellite is German TerraSAR-X (TSX), launched on 15th June 2007. This satellite is a revolution for the SAR technologies at the resolution side and offers 1m ground resolution in Spotlight mode. To investigate the q...

    Approach for Increasing the Resource Efficiency for the Production Process of Titanium Structural Components

    Titanium structural components for the aircraft industry are usually manufactured from ingots of primary material. The process chain for the fabrication of these components consists of the production of titanium sponge, the melting process, the forging process and the milling process. High chip removal rates from up to 95% due to the milling process and a high energy demand in producing the titanium sponge of about 85% of the overall energy consumption characterize the process chain. This obv...

    Insight into the mechanism of modulated syntheses: in situ synchrotron diffraction studies on the formation of Zr-fumarate MOF

    In this work, the formation of a Zr-based metal-organic framework (MOF), Zr-fumarate MOF (Zr-fum MOF), is studied in situ by energy-dispersive diffraction. The Zr-fum MOF can be synthesised in DMF as well as in water-based synthesis systems. In both cases, its formation requires modulation, i.e. a monocarboxylic acid which is used as the modulator has to be added to the synthesis mixture. In general, different mechanisms of modulation are possible, for example, deprotonation of the linker mol...

    Influence of the cutting tool compliance on the workpiece surface shape in face milling of workpiece compounds

    A currently common method to design high-performance workpieces is to combine two or more materials to one compound. In this way, workpieces can be composed of the most qualified materials according to local loads. When machining high-performance workpiece compounds high quality requirements concerning the accuracy of dimension and shape as well as surface roughness must be fulfilled. However, in case of parallel machining, where the cutting edge moves from one material into the other within ...
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