Open Access Conference Proceedings

Abstract: Zn and Zn-based alloys attract interest due to an ability to protect steel surface against corrosion. Thin surface layer of a protective zinc alloy is usually prepared by hot dip galvanizing and acts as a barrier against corrosive environment or as a sacrificial anode in case the bare steel surface is exposed. [..] Read more

Abstract: The beta titanium alloys are widely used for hard tissue replacements due to their properties (e.g. high strength, low Young’s modulus or biocompatibility). [..] Read more

Abstract: The influence of different consolidation procedures on compaction of Al powders was evaluated. Powder preparation procedures consisted of selection of particle size distribution, cold isostatic pressing (CIP), and vacuum sintering. [..] Read more

Abstract: In Ni rich Ni–Ti alloys, various phases such as hexagonal Ni3Ti, cubic NiTi2 and rhombohedral Ni4Ti3 appear during heat treatment. The presence of these precipitates affects the shape memory effect and superelasticity in an important manner. [..] Read more

Abstract: A microcrystalline Alni alloy with the nominal composition Fe51.1Ni23.5Al23.7Si1.7 was prepared by melt-spinning. Detailed studies of the spinodal decomposition (SD), microstructure and magnetic properties of the ribbons subjected to isothermal aging at Tag = 500-780 °C are reported. [..] Read more

Abstract: Cast TiAl alloys with high Nb content are subject of extensive research with the aim to develop material with low density, good corrosion resistance and high strength at elevated temperatures. Disadvantage of their broad applications is restricted workability, machinability and low fracture toughness especially at room temperature. [..] Read more

Abstract: One bi-layer Ni-Ti thin films with chemical compositions of Ni45TiCu5/Ni50.8Ti (numbers indicate at.%) determined by energy dispersive X-ray spectroscopy was deposited on Si substrates using RF magnetron sputtering. The structures and transformation temperatures of annealed thin films at 773 K for 1 h were studied using grazing incidence X-ray diffraction (GIXRD) and differential scanning calorimetry (DSC), respectively. [..] Read more

Abstract: This paper deals with influence of microstructure of magnesium alloy AZ91 on its mechanical properties. Tensile characteristics and microstructures of cast and extruded state of the alloy, and both of these initial states after equal channel angular pressing (ECAP), were compared. [..] Read more

Abstract: This work deals with the possibility of hydrometallurgical treatment electric arc furnace (EAF) dust using dilute sulfuric acid solutions. The origin of the EAF dust sample was Železiarne Podbrezová a.s., . [..] Read more

Abstract: With every tonne of pig iron being produced, over 10 kg of flue dust is generated. Direct recycling of this material is unacceptable mainly due to its high zinc content. [..] Read more

Abstract: Twin-roll casting is a technique which allows production of high quality thin magnesium alloys strips with enhanced microstructure. However, further treatment using severe plastic deformation or annealing is required to improve mechanical properties of strips. [..] Read more

Abstract: Rapid solidification (RS) of Al – TM alloys (TM: Fe, Ni, Mn), combined with following mechanical consolidation of RS flakes was used to produce highly refined structure of the materials. RS flakes were manufactured using spray deposition of the molten alloy on the rotating water-cooled copper roll. [..] Read more

Abstract: The main objective of severe plastic deformation (SPD) methods is to obtain material with ultra-fine grained microstructure. Large deformations introduced during SPD processes result in extensive refinement of initial coarse microstructure which has significant influence on overall mechanical properties of such materials. [..] Read more

Abstract: High strength aluminum alloys are commonly used as structural materials, particularly in the areas of industry where high specific strength is required. It has been already recognized that among all wrought aluminum alloys, precipitation strengthened 2xxx and 7xxx series alloys exhibit the highest mechanical properties. [..] Read more

Abstract: The microstructures of two nickel based alloys Ni-Cr-Al-C-(Nb) containing chromium and chromium plus niobium carbides were investigated. These alloys unlike commercially available nickel based superalloys contain a high volume fraction of carbides to obtain high wear resistance. [..] Read more

Abstract: High-quality compacts were prepared using the spark plasma sintering (SPS) method from powders of similar composition Fe-Al-Zr-B. The properties of the sintered compacts are strongly dependent on the morphology and properties of the feedstock powder. [..] Read more

Abstract: Presented paper concerns a methodology of knowledge components management in a platform of knowledge integration using an ontological model of knowledge sources. Presented paper concerns a methodology of knowledge components management in a platform of knowledge integration using an ontological model of knowledge sources. [..] Read more

Abstract: Article describes design of the model in terms of production scheduling continuously discrete manufacturing process. In terms of continuity, continuous changes in the chemical composition of sequences heats Al alloys, it is necessary to apply a specific approach. [..] Read more

Abstract: Life Cycle Assessment (LCA) is important management tool for evaluation of the environmental impacts in whole life cycle of product or technology from the extraction of the raw materials to the end-of-life. In the paper, special attention is given to the role of LCA as a tool for natural resources management, environmental implications of critical raw materials evaluation and resources depletion assessment in the steel industry. [..] Read more

Abstract: It appears that in contemporary entrepreneurial environment industrial enterprises that are able to realize regular and targeted changes survives. These changes or innovations are implemented not only for survival, but also for gaining significant market position. [..] Read more