Materials Literature
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The subject of this thesis is the study of the free radical miniemulsion copolymerization of styrene (St) and methyl methacrylate (MMA).A miniemulsion is a special case of emulsion.Miniemulsion polymerization, allows for a more controllable particle formation step.To obtain a basic mechanistic understanding of the St-…
Parmi les matériaux de base utilisés en microélectronique, le SOI (silicium sur isolant), fabriqué par la technologie Smart CutTM, a réussi à tirer son épingle du jeu. Cette \n \ntechnologie enchaîne plusieurs étapes clés, dont l'une est l'implantation ionique d'hydrogène. Pour des raisons économiques, l'utilisation d…
The postprocessing technology has been advanced diversely to accommodate the tendency of increasingly refined and complicated practices of finite element modeling in pace with enhanced capabilities of computers and improved algorithm of equation solvers. As a result of such progresses in both hardware and software, it…
Because of its very good mechanical properties and its relatively low costs carbide free bainitic steel has become an interest for research and development during the recent years. In this work welding tests on these steels are discussed for the first time. It is known that welding of steels with a medium or high carb…
There is a need in industry for a commodity polyethylene film with controllable degradation properties that will degrade in an environmentally neutral way, for applications such as shopping bags and packaging film. Additives such as starch have been shown to accelerate the degradation of plastic films, however control…
Investigation of the reciprocal system CuInSe 2 +2CdTe⇔CuInTe 2 +2CdSe was performed using XRD and differential thermal analysis. The isothermal section at 870 K, the liquidus surface projection, several vertical sections and a spatial diagram were constructed. The existence of a large homogeneity region of the sphale…
Implants surgery, in particular hip implants, is fast becoming a routine, popular approach for curing diseases such as, osteoarthritis and rheumatic arthritis. However one potential problem with the insertion of a metal implant is that of the risk of fatigue failure. Numerous factors affect the propensity of a metal t…
The investigation and analysis on the preservation and recovery of hydrobiological ecosystem in Lijiang river have been advanced by the competent department since 1973 in connection with the problems of interception,ecological disintegration and flood disaster in the river.Herein described is the investigation result…
Electrodeposition was used to deposit thin film semiconductor materials for use in solar cell devices. Copper indium diselenide (CuInSe[2]) was deposited from ethylene glycol at 150°C with the aim of improved material properties due to the elevated temperature. The broad nature of the X-ray diffraction (XRD) peaks bef…
Evaluacion de nuevos materiales a partir de fibra de madera como sustratos de cultivo hidroponico La actual problematica medioambiental asociada a determinados materiales utilizados comunmente como sustratos, tales como la lana de roca o la perlita, hace necesaria la busqueda de materiales alternativos que no supongan…
The morphology and physicochemical properties of bacterial cells at the molecular level influence their adhesion to surfaces and interfaces. In this study, atomic force microscopy (AFM) was used to explore the morphology of soft, living cells in aqueous buffer, to map bacterial surface heterogeneities, to directly cor…
The dominant materials used for solders in electronic assemblies over the past 60 years have been Pb-Sn alloys. Increasing pressure from environmental and health authorities has stimulated the development of various Pb-free solders. Two of the most promising replacements are eutectic Sn-Cu and Sn-Ag-Cu alloys that are…
Poster presented at the ICOM 2009 – The International Conference on Physics of Optical Materials and Devices, Herceg Novi, Montenegro, 27th August – 30th August, 2009.
Cooling Systems: Energy, Engineering and Applications
The development of porous support of zeolite silicalite-1 has been studied with different binders. Microsized zeolite particles were shaped by casting into cylindrical pellets. The main idea was to consolidate them by accumulation of fine materials at contact point between zeolite particles during drying followed by h…
The purpose of this work was to re-assess the metal forming reactions taking place in the electric arc furnace during ferro silicon production. The different phases and reaction zones close to, or nearby the crater walls formed by the electric arc, were of special interest in this thesis. Samples were deeper investiga…
Proteine sind an allen zellulären Prozessen beteiligt und agieren dabei in der Regel in Wechselwirkung mit anderen Proteinen. In dieser Arbeit wird ein Modell für die stochastische Dynamik von Proteinkomplexen untersucht, das sich für große Systeme und lange Zeiten eignet. Jedes Protein wird als Teilchen aufgefasst, w…
Zirconium alloys are widely used in nuclear reactors as fuel cladding tubes because of their low thermal neutron capture cross-section, good corrosion properties and satisfactory mechanical properties. However, the main limiting factor of these materials is the oxidation behavior. With an improved corrosion resistance…
Machinability Variations in Alloy 718 \nTurbine Components\n\n \n\nPAJAZIT AVDOVIC\n\n \n\nDepartment of Materials and Manufacturing Technology\n\nChalmers University of Technology\n\n \n\nAbstract\n\nAlloy 718 has a reputation for being very troublesome during the cutting process. It was suspected that this material…
Thesis (Master)--Izmir Institute of Technology, Physics, Izmir, 2009