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3D registration of depth data of porous surface coatings based on 3D phase correlation and the trimmed ICP algorithm

Loftfield, Nina; Kästner, Markus; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2017)

A critical factor of endoprostheses is the quality of the tribological pairing. The objective of this research project is to manufacture stochastically porous aluminum oxide surface coatings with high wear resistance and ...
Advanced high pressure turbine blade repair technologies

Alfred, Irene; Nicolaus, Martin; Hermsdorf, Jörg; Kaierle, Stefan; Möhwald, Kai; Maier, Hans Jürgen; Wesling, Volker (Amsterdam : Elsevier B.V., 2018)

Components in aircraft engines and gas turbines are exposed to extreme conditions in order to increase performance and efficiency of the overall engine, hence there is an increasing need for cost-effective and time-efficient ...
Berechnung der auftretenden lokalen Kräfte auf der magnetischen Beschichtung eines magnetischen Rasterkraftmikroskops [Computation of the occurring local forces on the magnetic coating of a magnetic atomic force microscope]

Preisner, T.; Mathis, Wolfgang (Göttingen : Copernicus GmbH, 2009)

Due to magnetic interactions between magnetic field inducing bodies, force effects occur on the materials. The numerical computation of those occuring forces with respect to a subsequent structural analysis of a deformable ...
Brazing in SiH4-Doped Inert Gases: A New Approach to an Environment Friendly Production Process

Holländer, U.; Wulff, D.; Langohr, A.; Möhwald, K.; Maier, H.J. (Seoul : Korean Society for Precision Engineering, 2020)

Engineering under protective atmospheres or in vacuum allows the production of materials and components, where the absence of oxygen is an essential requirement for a successful processing. Ideally, joining or coating of ...
Characterization of porous surfaces with spatial point pattern analysis

Zou, Yibo; Kästner, Markus; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2015)

Nowadays thermal plasma spray coating is widespread in automobile industry. For example, in the cylinder manufacturing process coatings are applied for friction reduction, wear and corrosion resistance. After the honing ...
Continuous detection of particles on a rotating substrate during thin film deposition

Rüsseler, Anna Karoline; Balasa, Istvan; Jensen, Lars; Ristau, Detlev (Bellingham : SPIE, 2018)

Particles, which contaminate the substrate during thin film deposition, are prone to cause irremovable defects and demand special attention in the field of high precision laser optics as they can lead to localized absorption ...
Crossover between monopole and multipole plasmon of Cs monolayers on Si(111) individually resolved in energy and momentum

Zielasek, V.; Rönitz, N.; Henzler, M.; Pfnür, Herbert (College Park, MD : American Physical Society, 2006)

The evolution of the plasmon spectrum of the Si(111) (7×7)-Cs surface has been studied by energy loss spectroscopy individually resolved in energy and momentum during the transition from substrate to Cs overlayer metallization. ...
Development and analysis of microstructures for the transplantation of thermally sprayed coatings

Freiburg, D.; Biermann, D.; Peuker, A.; Kersting, P.; Maier, Hans Jürgen; Möhwald, Kai; Knödler, Patrick; Otten, Maik (Amsterdam : Elsevier, 2014)

Thermally sprayed coatings and tribological surfaces are a point of interest in many industrial sectors. They are used for better wear resistance of lightweight materials or for oil retention on surfaces. Lightweight ...
Direct in situ GDD measurement in optical coating process

Schlichting, S.; Willemsen, Thomas; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)

In the presented work a fast frequency domain measurement system to determine group delay (GD) and group delay dispersion (GDD) of optical coatings is proposed. The measurements are performed in situ directly on moving ...
Flat Plate Collectors with Thermochromic Absorber Coatings to Reduce Loads during Stagnation

Föste, Sebastian; Pazidis, Alexandra; Reineke-Koch, Rolf; Hafner, Bernd; Mercs, David; Delord, Christine (London : Elsevier Ltd., 2016)

Thermochromic absorber coatings, which switch their emissivity for thermal radiation depending on temperature, are developed to reduce the stagnation temperature of solar thermal collectors: In the operating range of the ...
Forming-induced Gloss Reduction of Coil Coated Sheets for White Goods

Behrens, Bernd-Arno; Hübner, Sven; Gaebel, Christoph Michael (London : Elsevier Ltd., 2017)

In the household appliance industry piecework coating of body components has been successively substituted by usage of coil-coated sheets. For components with low strains or components not visible for the customer and ...
Graphene-like metal-organic frameworks: Morphology control, optimization of thin film electrical conductivity and fast sensing applications

Hoppe, Bastian; Hindricks, Karen D.J.; Warwas, Dawid P.; Schulze, Hendrik A.; Mohmeyer, Alexander; Pinkvos, Tim J.; Zailskas, Saskia; Krey, Marc R.; Belke, Christopher; König, Sandra; Fröba, Michael; Haug, Rolf J.; Behrens, Peter (Cambridge : Royal Society of Chemistry, 2018)

The metal-organic framework Cu-2,3,6,7,10,11-hexahydroxytriphenylene (Cu3hhtp2-MOF), a copper-based graphene-like framework, is one of the few MOFs featuring inherent electrical conductivity. Here, we investigate the ...
In vitro evaluation of PCL and P(3HB) as coating materials for selective laser melted porous titanium implants

Grau, Michael; Matena, Julia; Teske, Michael; Petersen, Svea; Aliuos, Pooyan; Roland, Laura; Grabow, Niels; Escobar, Hugo Murua; Gellrich, Nils-Claudius; Haferkamp, Heinz; Nolte, Ingo (Basel : MDPI AG, 2017)

Titanium is widely used as a bone implant material due to its biocompatibility and high resilience. Since its Young's modulus differs from bone tissue, the resulting "stress shielding" could lead to scaffold loosening. ...
Integrated fiber-mirror ion trap for strong ion-cavity coupling

Brandstätter, B.; McClung, A.; Schüppert, K.; Casabone, B.; Friebe, K.; Stute, A.; Schmidt, Piet O.; Deutsch, C.; Reichel, J.; Blatt, R.; Northup, T.E. (College Park, MD : American Institute of Physics, 2013)

We present and characterize fiber mirrors and a miniaturized ion-trap design developed to integrate a fiber-based Fabry-Perot cavity (FFPC) with a linear Paul trap for use in cavity-QED experiments with trapped ions. Our ...
Investigation of target erosion profiles sputter-eroded by a low-energy broad ion beam

Sakiew, Wjatscheslaw; Klocke, Eileen; Ristau, Detlev (New York, NY : American Inst. of Physics, 2021)

The demand for ion beam sputtering (IBS) coated substrates is growing. In order to find new fields of application for IBS coating technology, it is necessary to understand in detail the distributions of the involved particles ...
Mesoporous silica coatings for controlled release of the antibiotic ciprofloxacin from implants

Ehlert, Nina; Badar, Muhammad; Christel, Anne; Lohmeier, Sven Jare; Luessenhop, Tammo; Stieve, Martin; Lenarz, Thomas; Mueller, Peter Paul; Behrens, Peter (Cambridge : Royal Society of Chemistry, 2011)

To generate bioactive coatings for medical implants, a novel procedure has been developed using a coating of mesoporous silica for controlled drug delivery. Plain glass slides were used as substrates. The mesoporous coatings ...
Multiple scale modeling of Al2O3 thin film growth in an ion beam sputtering process

Turowski, Marcus; Jupé, Marco; Melzig, Thomas; Pflug, Andreas; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)

A multiple scale model approach is presented in order to investigate Al2O3 thin film growth in the framework of an existing Ion Beam Sputtering (IBS) coating process. Therefore, several simulation techniques are combined ...
Regeneration of High Pressure Turbine Blades. Development of a Hybrid Brazing and Aluminizing Process by Means of Thermal Spraying

Nicolaus, M.; Möhwald, K.; Maier, Hans Jürgen (Amsterdam : Elsevier BV, 2017)

Besides welding, high temperature vacuum repair-brazing is already established for nickel-based alloy turbine blades in the aerospace and power plant industries. After the worn turbine blade has been decoated to its substrate ...
Spatial separation effects in a guiding procedure in a modified ion-beam-sputtering process

Malobabic, Sina; Jupé, Marco; Ristau, Detlev (London : Nature Publishing Group, 2016)

Cloud computing is a paradigm in which information is permanently stored in servers on the Internet and cached temporarily on clients. Virtual private network (VPN) is the most widely used technology for secure cloud access. ...
Thermomechanical Coating Load in Dependence of Fundamental Coating Properties

Beblein, S.; Breidenstein, Bernd; Denkena, Berend; Pusch, C.; Hoche, H.; Oechsner, M. (Amsterdam : Elsevier BV, 2017)

The conventional development of a coating system for cutting tools includes a variety of test series with elaborate experimental parameter studies. In particular, experimental investigations of the cutting behavior cause ...

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