Search Results - "Sahm, P."

Effect of synthetic bone replacement material of different size on shear stress resistance within impacted native and thermodisinfected cancellous bone: an in vitro femoral impaction bone grafting model by Fölsch, C., Sahm, P., Ulloa, C. A. Fonseca, Krombach, G. A., Kampschulte, M., Rickert, M., Pruss, A., Jahnke, A.

“…Antibiotic carrier particles of variable size might influence mechanic properties within impacted thermodisinfected and native cancellous bone different…”
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Nickel aluminides: a step toward industrial application by Scheppe, F, Sahm, P.R, Hermann, W, Paul, U, Preuhs, J

“…Intermetallics based on nickel aluminide are subjects of an ongoing development of new high-temperature materials for application as heat shields for…”
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Casting of a cold work steel alloy in semi-solid state by Bramann, H., Fehlbier, M., Sahm, P.R., Bührig-Polaczek, A.

“…Semi-solid processing of metallic materials has already been investigated for some time, however, this innovative production process has not fully established…”
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Non-equilibrium globular microstructure suitable for semisolid casting of light metal alloys by rapid slug cooling technology (RSCT) by Aguilar, J., Fehlbier, M., Ludwig, A., Bührig-Polaczek, A., Sahm, P.R.

“…As the semisolid processing of metals continues to gain importance and acceptance not only within research centers but also in industry, new methods and…”
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Simulation of macroscopic solidification with an incorporated one-dimensional microsegregation model coupled to thermodynamic software by PUSTAL, B, BÖTTGER, B, LUDWIG, A, SAHM, P. R, BÜHRIG-POLACZEK, A

“…In this article, a numerical model is presented which predicts phase distributions and dendrite arm spacings for a realistic casting within suitable CPU time…”
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Application of laser measuring, numerical simulation and rapid prototyping to titanium dental castings by Wu, M, Tinschert, J, Augthun, M, Wagner, I, Schädlich-Stubenrauch, J, Sahm, P.R, Spiekermann, H

“…Objectives. This paper describes a method of making titanium dental crowns by means of integrating laser measuring, numerical simulation and rapid prototype…”
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Selectively fibre-reinforced components produced by the modified investment casting process by Neussl, E, Sahm, P.R

“…A process based on the investment casting process (lost wax process) for the production of selectively fibre-reinforced castings has been developed at the…”
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Numerical simulation of photochemical smog formation in Athens, Greece—A case study by Moussiopoulos, N., Sahm, P., Kessler, Ch

“…High emission levels and the unfavourable topography are the main reasons for the alarming photochemical air pollution levels in Athens. An analysis of…”
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Influence of convection and grain movement on globular equiaxed solidification by Wu, Menghuai, Ludwig, Andreas, Bührig-Polaczek, Andreas, Fehlbier, Martin, Sahm, Peter R.

“…A two-phase volume averaging model was used to study convection and grain movement, and their influence on the globular equiaxed solidification. Both liquid…”
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Primary spacing in directional solidification by MA, D, SAHM, P. R

“…A new analytical model is developed to explain the variation in primary spacing lambda with growth velocity V. In this model, dendrite growth is resolved into…”
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Porosity formation in axi-symmetric castings produced by counter-pressure casting method by Katzarov, I.H., Arsov, Y.B., Stoyanov, P., Zeuner, T., Buehrig-Polaczek, A., Sahm, P.R.

“…We propose a method for simultaneous treatment of heat and mass transfer processes and porosity formation of castings produced by Counter Pressure Casting…”
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Assessing the impact of the New Athens airport to urban air quality with contemporary air pollution models by Moussiopoulos, N., Sahm, P., Karatzas, K., Papalexiou, S., Karagiannidis, A.

“…The new airport of Athens will be constructed in the Spata area to the east of the Athens basin. In an attempt to study how the airport operation influences…”
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An inter-comparison exercise of mesoscale flow models applied to an ideal case simulation by Thunis, P, Galmarini, S, Martilli, A, Clappier, A, Andronopoulos, S, Bartzis, J, Vlachogiannis, D, De Ridder, K, Moussiopoulos, N, Sahm, P, Almbauer, R, Sturm, P, Oettl, D, Dierer, S, Schlünzen, K.H

“…An exercise is described aiming at the comparison of the results of seven mesoscale models used for the simulation of an ideal circulation case. The exercise…”
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Numerical simulation of the casting process of titanium tooth crowns and bridges by Wu, M, Augthun, M, Wagner, I, Sahm, P R, Spiekermann, H

“…The objectives of this paper were to simulate the casting process of titanium tooth crowns and bridges; to predict and control porosity defect. A casting…”
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Estimation of transboundary air pollution on the basis of synoptic‐scale weather types by Helmis, C. G., Moussiopoulos, N., Flocas, H. A., Sahm, P., Assimakopoulos, V. D., Naneris, C., Maheras, P.

“…A methodology to estimate annual transboundary atmospheric transport is proposed, taking into account different background meteorological conditions. For this…”
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A modelling method for estimating transboundary air pollution in southeastern Europe by Moussiopoulos, N., Helmis, C.G., Flocas, H.A., Louka, P., Assimakopoulos, V.D., Naneris, C., Sahm, P.

“…A new methodology is presented for the model estimation of an import–export pollution balance across country borders based on the classification of the…”
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Simulation of time-dependent pool shape during laser spot welding: Transient effects by EHLEN, Georg, LUDWIG, Andreas, SAHM, Peter R

“…The shape and depth of the area molten during a welding process is of immense technical importance. This study investigates how the melt pool shape during…”
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Casting of Ti prostheses and implants with the Aid of numerical simulation by Wu, M, Augthun, M, Wagner, I, Sahm, P R

“…Porosity has been the most typical defect in titanium tooth crowns due to the irregular geometry, which restricts the ability to attach an oversized gating…”
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Numerical study of porosity in titanium dental castings by Wu, M, Sahm, P R, Augthun, M, Spiekermann, H, Schädlich-Stubenrauch, J

“…A commercial software package, MAGMASOFT (MAGMA Giessereitechnologie GmbH, Aachen, Germany), was used to study shrinkage and gas porosity in titanium dental…”
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High-resolution simulations of the wind flow and the ozone formation during the heilbronn ozone experiment by Moussiopoulos, N., Sahm, P., Kunz, R., Vögele, T., Schneider, Ch, Kessler, Ch

“…The Heilbronn ozone experiment was performed in the period 23–26 June 1994 in the state of Baden-Württemberg, Germany, with the intention to investigate if…”
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