The list of national projects SAS

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Institute: Institute of Materials Research

Biomimetically hardened hydrogel/calcium phosphate cements
Biomimeticky vytvrdzované hydrogél/kalcium fosfátové cementy
Program: VEGA
Project leader: Ing. Medvecký Ľubomír PhD.
Annotation:The project is focused on research and development of hydrogel / calcium phosphate cements with optimized content of calcium and phosphate ions concentrated in hydrogels. This arrangement allows biomimetic precipitation of calcium phosphate nanoparticleswith specific ordering, which will affect the strength of the interface, microstructure and properties of cement composites. The objective of the project will be research and development of new method for creating of larger pores using resorbable macroporous particles added to the cement paste and analysis relation of characterstics of cement particles on the final cement properties. Final systems will mimic the composition of bone tissue and imitate the ossification processes of bone tissue formation via hydrogel component.
Duration: 1.1.2017 - 31.12.2019

Deformation and fracture properties of ceramic materials in micro/nano scale
Deformačné a lomové vlastnosti keramických materiálov na nano a mikro úrovni
Program: VEGA
Project leader: Prof. RNDr. Dusza Ján DrSc.
Annotation:Project deals with acquirement and application of progressive testing methods for study of deformation and fracture properties of ceramics in micro/nano scale. The project focuses on sintered carbides WC-Co, ceramic materials Si3N4 a ZrB2 and others, which are prepared by spark plasma sintering. The main contribution of the project is the understanding of the newest testing methods, clarification of relationship between the structure (crystallographic orientation of single grains, grain boundaries) and micro/nano mechanical and fracture properties (hardness, strength, Young´s modulus, Yield stress, indentation creep, scratch resistance) of selected ceramic materials.
Duration: 1.1.2016 - 31.12.2018

Design of the structure and the functional properties of soft magnetic 3-d transitions metals based composites
Dizajn štruktúry a funkčných vlastností magneticky mäkkých kompozitných materiálov na báze 3-d prechodných kovov
Program: SRDA
Project leader: Ing. Bureš Radovan CSc.
Annotation:The project focuses on structure and functional properties design of 3-d transition metals based soft magnetic composite materials, in which will be carried out the experimental research of functional properties of advanced materials with heterogeneous structure consisting of isolated ferromagnetic particles. Magnetic micro- and nanocomposite systems will be prepared using advanced powder metallurgy method and current chemical processes. The research will be focused on explanation of the interface influence on the electric, magnetic and mechanical properties investigated magnetic composite materials. Expected results extend the potential for application of advanced soft magnetic materials suitable for use in a medium frequencies, where ferrites are currently used.
Duration: 1.7.2016 - 31.12.2019

Silicon oxynitride-based photoluminecent ceramic materials
Fotoluminescenčné keramické materiály na báze oxynitridov kremíka
Program: SRDA
Project leader: Prof. RNDr. Dusza Ján DrSc.
Duration: 1.7.2015 - 30.6.2019

Ceramic materials for extreme operating conditions
Keramické materiály pre použitie v extrémnych podmienkach
Program: SRDA
Project leader: Prof. RNDr. Dusza Ján DrSc.
Duration: 1.7.2016 - 30.6.2020

Advanced composite coatings for high temperature corrosion protection of metals
Kompozitné vrstvy pre vysokoteplotnú protikoróznu ochranu kovov
Program: SRDA
Project leader: RNDr. Hvizdoš Pavol CSc.
Annotation:Extension of lifetime and enhancing the thermal stability of steel used for construction of exhaust pipes, heat exchangers in waste incinerators, and casting and melting aggregates in steel and glass production can be achieved via suitable anti-corrosion coatings. The aim of this project is development of new types of composite anti-corrosion protective layers, based on ceramics prepared by controlled pyrolysis of organosilicon precursors. The use of organosilicon precursors facilitates application of conventional coating technologies, such as spray and dip-coating, with subsequent pyrolysis and conversion of the precursor to amorphous ceramics. Increased thermal stability, corrosion resistance, and minimisation of volume changes related to conversion of the organic precursor to ceramics will be achieved through the addition of suitable active and passive oxide glass fillers prepared by flame synthesis in the form of microspheres.The flame synthesis facilitates the preparation of glasses with high melting point, which ensures increase of the maximum operation temperature of the coating up to 1400 oC, as well as increased oxidation and corrosion resistance of prepared coatings, optimum compatibility of the filler with ceramic matrix and metallic substrate and, due to spherical shape of glass microparticles, also negligible influence on the rheology of the system polymer-filler in the course of coating on metallic substrate.
Duration: 1.7.2016 - 30.6.2019

The modification of domain structure of silicon electrotechnical steels by laser beam.
Modifikácia doménovej štruktúry kremíkových elektrotechnických ocelí pomocou laserového žiarenia.
Program: VEGA
Project leader: Mgr. Petryshynets Ivan PhD.
Annotation:The project is focused on the final magnetic losses reduction of the silicon electrotechnical steels by modification of domain structures by using laser beam. The researches will be oriented on the domain modification on the surface of silicon steels after final thermo - mechanical treatments. Moreover the microstructural and textural parameters of these steels will be not violated. The laser scribing will be application on the material surface in order to induce thermal stresses, which influence on the modification of the internal structure of magnetic domains. The final domain structures will be optimized in relation to the minimization of watt losses of the experimental material and to the optimization of thermal stresses application on the surface.
Duration: 1.1.2015 - 31.12.2017

Modification of surface microstructure of tool steels by laser.
Modifikácia povrchovej mikroštruktúry nástrojových ocelí laserom
Program: VEGA
Project leader: RNDr. Kováč František CSc.
Annotation:The main task of the project is focused on the analysis of the modification of tool steel microstructure by means of applying of conventional heat treatment in combination with the subsequent laser heat treatment so that the main properties will be improved. The experimental materials will be created with three groups of tool steels which are determined for the cold work. The first group will be consist of carbon steel with carbon containing up to 0.7 wt%, the second groups will be low-alloy steels, and the third group will be the medium alloy steels. These materials will be treatment by recommended conventional heat procedures. Subsequently, the materials will be subjected to the treatment by laser beam in order to melting the surface or heating the surface to the selected temperature of austenite as a function of technological parameters of laser treatment. For each material variations will be defined the optimal parameters of laser treatment in order to increase wear resistance of steel.
Duration: 1.1.2016 - 31.12.2018

Multifunctional Aurivillius-type magnetoelectrics for advanced data storage and sensor applications
Multifunkčné keramické materiály Aurivilliového typu pre pokročilé magnetoelektrické pamäťové zariadenia a senzory
Program: VEGA
Project leader: RNDr. Kovaľ Vladimír PhD.
Annotation:The purpose of the proposed project is to design and prepare novel single-phase Aurivillius-type ceramic materials with improved multiferroic properties at and above room temperature. The research is motivated by the great potential of these materials for non-volatile data storage, transducers, sensors, and many other future device applications. Bismuth-layered structure ferroelectrics, doped on the A- and B- sites by magnetic cations, will be synthesized by solid-state reaction. An innovative method of microwave heating will be introduced along with conventional sintering in processing of ceramics in order to produce at the reduced sintering temperature and time phase pure multifunctional magnetoelectrics with improved properties. The effects of the rare-earth (RE) substitution at Bi sites and modulation of the number of perovskite layers on the crystal structure, microstructure, and electrical and magnetic properties of Aurivillius phase ceramics in the Bi4Ti3O12-(Bi,RE)FeO3 system will be investigated.
Duration: 1.1.2017 - 31.12.2019

Multicomponent nanocomposite coatings prepared by highly ionized deposition technologies
Multikomponentné nanokompozitné povlaky pripravené vysokoionizovanými depozičnými technológiami
Program: SRDA
Project leader: Doc. RNDr. Lofaj František DrSc.
Annotation:Project is focused on the application of the latest theoretical models for the increase of thermal stability, structural and oxidation resistance, wear resistance, lifetime and toughness in the development of new hard three- and multicomponent nanocomposite coatings based on Ti-, Cr-, Al- and W-nitrides by means of doping by the reactive elements and on the optimization of the newest iPVD processes with the high degree of ionization of the deposited material based on HiPIMS and HiTUS technologies. The main idea is to create new nanostructural systems based on the known 2D and 3D nanocomposite systems (TiB2, Ti-B-N, Ti-Al-N, Cr-Al-N, W-C, W-C-N) doped with additional elements (Ta, V, Y, W, Nb, Si, B a pod.), which will increase toughness and crack resistance of the coatings. They will simultaneously create active barriers supressing oxidation and thus, reduce mechanical properties degradation of the coatings and/or coated substrate at elevated temperatures. The work, which is a direct continuation of the previous project APVV 0520- 10, also involves the investigation of the relationships among the deposition parameters, resulting structure and properties of new systems for hard coatings and basic understanding of the mechanisms of the nanostructure formation, metastable phase decomposition, formation of stable structures, etc. in the case of novel deposition technologies with high degree of ionization of the sputtered material.
Duration: 1.7.2015 - 29.6.2018

Nanomaterials and nanostructured layers with specific functionality
Nanomateriály a nanoštruktúrované vrstvy so špecifickou funkcionalitou
Program: VEGA
Project leader: RNDr. Kupková Miriam CSc.
Duration: 1.1.2017 - 31.12.2020

Lowdimensional systems in electrode and magnetic materials potentially applied in green technologies.
Nízkorozmerné systémy pre elektródové a magnetické materiály využité v zelených technológiách
Program: VEGA
Project leader: RNDr. Strečková Magdaléna PhD.
Annotation:The growing demand for energy and depletion of primary fossil energy resources causes an increasing pressure on use of alternative energy sources in larger scale. The project will be focused on the preparation and development of technologies producing 1D and 2D nanostructures. The carbon fibers incorporating metalnanoparticles represent a prospective materials for catalytic hydrogen evolution. Ferrite thin films and nanofibers are potentially useful for the preparation of soft magnetic composites with low eddy currents and total current losses during magnetization. The needle-less electrospinning technology will be used for fibers production due to cheap, user friendly and production of fibers in a wider scale. The thin ferrite films will be prepared by sol-gel method. The main aim of project concentrates on the effect of input parameters of the solutions influence the final function properties of prepared fibers and films.
Duration: 1.1.2017 - 1.12.2019

Advancement of knowledge in area of advanced metallic materials by use of up-to-date theoretical, experimental, and technological procedures
Rozvoj poznatkovej bázy v oblasti pokročilých kovových materiálov s využitím moderných teoretických, experimentálnych a technologických postupov
Program: SRDA
Project leader: RNDr. Homolová Viera PhD.
Annotation:The project is focused on the acceleration of progress in gaining knowledge about advanced metallic materials. In the related research the representative part of the Slovak scientific basis will be involved, namely the Slovak University of Technology (STU) in Bratislava, the Institute of Physics (IP) of the Slovak Academy of Sciences (SAS), and the Institute of Materials Research (IMR) of SAS. To fulfil project tasks, the top-level recently provided equipment will be used, available at the university scientific parks of STU located in Bratislava and Trnava as well as at the scientific centres of SAS located in Bratislava (IP) and Košice (IMR). The experimental research will be combined with calculations from first principles (IP SAS) and thermodynamic predictions (IMR SAS), both the procedures, which the involved researchers reached a world-wide acceptance in. From the thematic point of view, the project implies theoretic and experimental studies of advanced metallic materials mainly related to phase equilibria (new phase diagrams will be proposed and the existing will be refined on), characterization of crystal structures of un- and less-known complex phases, electrochemical and catalytic properties of surfaces, and innovations in production of thin layers, coatings, and ribbons. Expected results will be published in stages in relevant scientific journals, used by the involved researchers in educational process,and consulted eventually with industrial partners to consider the transfer of technological findings in praxis. All the involved institutions have a huge experience with the science promotion and are ready to exert it in the project.
Duration: 1.7.2016 - 30.6.2020

Sintered biodegradable metallic materials
Spekané biologicky odbúrateľné kovové materiály
Program: SRDA
Project leader: RNDr. Kupková Miriam CSc.
Duration: 1.7.2017 - 31.12.2020

Sintered biologically degradable materials based on the iron powders.
Spekané biologicky odbúrateľné materiály na báze práškového železa.
Program: VEGA
Project leader: RNDr. Kupková Miriam CSc.
Duration: 1.1.2015 - 31.12.2017

Thermodynamic analysis and modelling of phase diagram for Fe-B-Mn ternary system and verification database for thermodynamic calculations of complex systems by experimental analysis of Fe-B-X-Y (X,Y=V, Cr, C, Mn) alloys.
Termodynamická analýza a modelovanie fázového diagramu ternárneho systému Fe-B-Mn a verifikácia databázy pre termodynamické výpočty komplexných systémov experimentálnou analýzou zliatin typu Fe-B-X-Y (X, Y=V, Cr, C, Mn).
Program: VEGA
Project leader: RNDr. Homolová Viera PhD.
Annotation:The project links to the previous projects dealing with modelling of Fe-B-X (X= V, Cr, C) ternary systems. It is focused on the study of the phases and phase eqiulibria in Fe-B-Mn ternary system. The research results contribute to the knowledge on phases existence, their chemical composition, structure and eqiulibria in the mentioned system. The main goal of the project is creation reliable parameter database for thermodynamic calculations in Fe-B-Mn ternary system by Calphad method. This database contributes to the creation of complex thermodynamic parameter database allowing more exact phase equilibria predictions for wide range of systems. Another task of the project is the experimental investigation of quaternary alloys of the Fe-B-X-Y (X, Y=V, Cr, C, Mn) type which will be used for the verification of our complex database. The complex database will be created by merging of the databases of the Fe-B-Mn system, Fe-B-X (X= V, Cr, C) ternary systems and other existing databases.
Duration: 1.1.2015 - 31.12.2017

Effect of chemical composition and microstructure on the susceptibility of dual phase steels to hydrogen embrittlement
Účinok chemického zloženia a mikroštruktúry na náchylnosť dvojfázových ocelí ku vodíkovému krehnutiu
Program: VEGA
Project leader: doc.Ing. Rosenberg Gejza CSc.
Annotation:The project is aimed at research of hydrogen embrittlement (HE) of advanced high strength steels for automotive industry. The experimental program is primarily aimed at dual-phase steels. The effect of HE on strain and fracture properties of these steels will be studied in dependence on various microstructural characteristics (grain size, volume fracture, size and morphology of martensite, …). The aim of this project is to determine also the resistance of the steels against HE in different areas along the thickness of sheet (focused on the area of structural heterogeneities). Therefore, the experiments will be also conducted on miniature samples. Degradation effect of hydrogen will be examined mainly on samples with stress concentrator, which will be exposed to diverse regimes of loading (static, impact and cyclical loading). The development of local strains and size of plastic zone at cracks tip will be examined with metalography-fractography analysis and using parameters of fracture mechanics (KIC, COD,..).
Duration: 1.1.2015 - 31.12.2017

The influence of graphene platelets addition on tribological properties of ceramic composites based on carbides and borides.
Vplyv grafénu na tribologické vlastnosti keramických materiálov na báze karbidov a boridov
Program: VEGA
Project leader: Ing. Kovalčíková Alexandra PhD.
Duration: 1.1.2017 - 31.12.2019

Effect of lanthanides on structure and nanomechanical properties of pyrochlore polymorphic Ln(Nb, Ta)O4 thin films prepared by sol-gel process.
Vplyv lantanoidov na štruktúru a nanomechanické vlastnosti pyrochlórových polymorfných Ln(Nb, Ta)O4 tenkých filmov pripravených sol-gel procesom.
Program: VEGA
Project leader: RNDr. Bruncková Helena PhD.
Annotation:The project is focused on research of structure of transparent nanocrystalline thin films based on lanthanides with Nb and Ta in form of pyrochlore niobates and tantalates with ferroelastic properties. Polymorphic LaNbO4 and LaTaO4 films will be prepared individually and with addition of other lanthanides by sol-gel process from precursors deposited on silicon substrates using spin-coating method. Determination of effect of Nd, Sm, Eu and Gd components on structure of both systems will help to clarify mechanism of phase transformation occurring in films in heating process. In addition, the project is focused on characterization of mechanical properties of film/substrate systems by nanoindentation and the relationship between them. Elastic modulus and hardness of simple LaNbO4 and LaTaO4 films will be determined from their composite values. The results could help to contribute the knowledge about ferroelastic films in terms of their possible application as solid electrolytes in the electrotechnical industry.
Duration: 1.1.2017 - 31.12.2019

Influence of the HAZ microstructure on degradation of modified 9Cr steels
Vplyv mikroštruktúry TOO v modifikovaných 9Cr oceliach na porušovanie
Program: VEGA
Project leader: RNDr. Ševc Peter PhD.
Annotation:The project is focused on the study of the processes operating on the microstructure and substructure levels in modified 9Cr steels and their influence on the failure of the material. Its intention is to investigate the interconnections among the microstructure, substructure, secondary phase precipitation and hydrogen environment influence in the individual parts of the weld HAZ during degradation processes. The research results could be used at the degradation evaluation of the experimental materials and their welds in connection with the research group former projects results performed on the real weld joints from the view of their sensitivity to the failure during the thermal and mechanical straining.
Duration: 1.1.2016 - 31.12.2018

Influence of laser welding parameters on microstructure and properties of welded joints of advanced steels for automotive industry
Vplyv parametrov laserového zvárania na štruktúru a vlastnosti zvarových spojov moderných ocelí pre automobilový priemysel
Program: VEGA
Project leader: Ing. Kepič Ján PhD.
Annotation:The project is focused on prediction of laser welded joint behaviour at different strain rates. Mentioned simulated the real crash tests by creating new and cost-efficient test methods available in the laboratory. The strength and deformation properties of high-strength steel sheets, laser welded tailored blanks and composites will be investigated by tensile, 3-point bending and cyclic bending tests. The measured characteristics of these materials will be compared with the characteristics of progressive materials such as aluminium alloys and composites. The thermodynamic calculations will be performed before welding in order to predict phase composition of polycomponent welds depending on welding conditions (power, welding rate and focus position). To reach the objectives the method of design of experiment, experimental tests and numerical simulations based on finite elements metod will be used.
Duration: 1.1.2016 - 31.12.2018

The effect of the ceramic/carbon nanostructures interface on the mechanical properties of ceramic matrix composites
Vplyv rozhrania keramika-uhlíkové nanoštruktúry na mechanické vlastnosti kompozitov s keramickou matricou
Program: VEGA
Project leader: Mgr. Tatarková Monika PhD.
Duration: 1.1.2015 - 31.12.2017

Effect of secondary phases on microstructure and mechanical properties of magnesium nanocomposite systems
Vplyv sekundárnych častíc na mikroštruktúru a mechanické vlastnosti horčíkových nanokompozitných sústav.
Program: VEGA
Project leader: Ing. Ballóková Beata PhD.
Annotation:The purpose of the project is to investigate properties of Mg nanomaterial systems prepared by the method of IPD, the analysis of the failure micromechanisms in relation to the microstructure and basic mechanical and technological properties. Tribological parameters, creep characteristics, local mechanical properties of phases, as well as kinetics and mechanism of superplasticity will also be evaluated. Further, behavior of the individual composite materials after influencing the surface by laser radiation and determination of the optimal parameters of the laser beam will be examined. The aim will be to analyze mechanical properties, wear resistant and corrosion properties of the materials in relation to their morphology and their microstructural changes induced by laser modification. Experimental materials will be one-phased and composite nanostructured material systems based on Mg with the different volume fractions of strengthening nanoparticles of Al2O3, SiC and carbon nanotubes.
Duration: 1.1.2017 - 31.12.2019

The effect of high plasma ionization on structure and mechanical properties of high energy pulsed PVD MeC and MeN (Me=Ti, Cr, W) based coatings
Vplyv stupňa ionizácie plazmy na štruktúru a mechanické vlastnosti MeC a MeN (Me=Ti, Cr, W) povlakov pripravovaných vysokoenergetickými pulznými PVD procesmi
Program: VEGA
Project leader: Ing. Kvetková Lenka PhD.
Annotation:The project is aimed at the investigation of the fundamental relationships between the degree of ionization and the plasma density, as well as power density on the sputtered target on the microstructure and mechanical properties, such as hardness and tribological properties, of nitride and carbide coatings (TiN, Cr and WC) prepared by the novel HiPIMS and HITUS sputtering methods at temperatures below 200oC. The project includes a comparison of these relations with the results of conventional methods of magnetron sputtering, creation of a database of relationships preparation conditions -microstructure - properties of coatings prepared by these new methods as well as determination of optimum conditions for deposition technology of coatings with reproducible properties
Duration: 1.1.2015 - 31.12.2017

Research of the coating/substrate interphase modification to increase hard coating adhesion
Výskum modifikácie fázových rozhraní v systéme povlak/podložka na zvýšenie adhézie tvrdých povlakov
Program: SRDA
Project leader: Doc. RNDr. Lofaj František DrSc.
Duration: 1.7.2016 - 30.6.2019

Research of systems of duplex nanocomposite PVD coatings with laser - modified base material intended for pressure mould cast applications.
Výskum systémov duplexných nanokompozitných PVD povlakov s laserom modifikovaným podkladovým materiálom pre aplikácie tlakového liatia kovov.
Program: VEGA
Project leader: Ing. Jakubéczyová Dagmar CSc.
Annotation:The goal of the project is the development of an innovative process of surface treatment of tools and parts of moulds for pressure metal casting. The process involves laser heating of tool surface which takes place after the final thermal treatment, and subsequent depositing of duplex PVD coating. The contribution of the project will consist in testing the nanocomposite PVD coatings deposited to specimens from steel intended for hot applications, subjected to laser treatment before coating and testing their mechanical,tribological and chemical properties at interaction of molten aluminium with the mould material. By treatment of these materials / machine parts by laser in combination with duplex PVD coating the following properties will be achieved: high resistance to wear and excellent resistance to thermal shocks which are the factors affecting service life of functional parts of moulds used for for pressure casting, and of mould cavities.
Duration: 1.1.2017 - 31.12.2019

Development and research on metallic glasses and nanocrystalline materials
Vývoj a výskum kovových skiel a nanokryštalických materiálov
Program: VEGA
Project leader: Ing. Saksl Karel DrSc.
Duration: 1.1.2016 - 31.12.2018

Microstructure development and properties of functional composites based on progressive soft magnetic alloys
Vývoj mikroštruktúry a vlastnosti funkčných kompozitov založených na progresívnych magneticky mäkkých zliatinách
Program: VEGA
Project leader: Ing. Bureš Radovan CSc.
Duration: 1.1.2015 - 31.12.2017

Unconventional technology development of final processing of isotropic electrical steels
Vývoj nekonvenčnej technológie finalného spracovania izotrópnych elektrotechnických ocelí
Program: SRDA
Project leader: RNDr. Kováč František CSc.
Duration: 1.7.2016 - 30.6.2019

Development of new generation joints of power electronics using nonsandard Sn-based alloys
Vývoj novej generácie spojov výkonovej elektroniky s použitím neštandardných zliatin na báze cínu
Program: SRDA
Project leader: Ing. Saksl Karel DrSc.
Annotation:The aim of the proposed project is to develop new types of nonstandard lead-free solder alloys based on Sn with different content of intermetallic compounds, and to develop new generation of quality solder joints as well as a functioning testing electronic module in the field of power electronics. A detailed study on solder joints in power electronics has not yet been performed and it represents an entirely new approach, since as a solder alloy there is an alloy with different content of intermetallic compounds prepared by a rapid cooling method. In the new generation of solder joints based on alloys with standard composition and high content of intermetallic compounds, using the process of isothermal solidification, the major potential lies in their temperature resistance at least until 200°C. Future results of functioning testing electronic module as well as the results of thermomechanical stress simulation, comparative analysis of electrical and mechanical properties, and microstructure of joints, will be confronted with the results of a comprehensive analysis of the developed solder alloys and intermetallic compounds. As a guarantee of the proposed project fulfillment, there is a previous experience of the research team in the area of electrotechnologies and materials, and intensive cooperation with an industrial partner which is a client of the project. Development of the new generation of solder joints in power electronics will find its direct use in the industrial production as well as in many other clients.
Duration: 1.7.2015 - 30.6.2018

Development equipment for efficient compression and storage of hydrogen using new metal hydride alloys
Vývoj zariadenia pre efektívnu kompresiu a uskladnenie vodíka pomocou nových metalhydridových zliatin
Program: SRDA
Project leader: Ing. Saksl Karel DrSc.
Annotation:The project aims to development of unique prototype devices at efficient compression of hydrogen using metal hydride storage tandem in conjunction with a heat pump. The development of device closely related to the research of thermal cycles hydrogen compressor utilizing metal-hydride alloys, which have a significant pressure gradients according to their temperature. The research of capacities of storage of selected types of metal hydride alloys is necessary to achieve effective hydrogen compression. The operating pressures should be respected at predefined acceptable operating temperatures. The output of the project is the development of a functional prototype of the tandem compressor to compress the hydrogen that will be to contain suitably used types of metal hydride alloys. Prototype development requires structural design of the heat pump system, serving to transport heat between reservoirs and optimize the management with the creation of an algorithm for increase effectiveness. The application organization long-term cooperates with businesses in research of hydrogen technologies and their utilization in the automotive and energy industries. In the case of confirmation of theoretical assumptions, technology of research replaces today existing technology certainly. The researching technologies have a number of crucial advantages such as lower energy consumption, simpler and more compact design, saving on installation space, lower estimated cost, significantly lower service costs in achieving longer life and high standards of safety by avoiding contact with the moving parts of the system with compressed hydrogen. Development of hydrogen compressor has great potential for innovation needs of social and economic practice in the development and application of hydrogen technologies in the automotive industry and transport, especially in the context of Slovak European innovation strategy.
Duration: 1.7.2016 - 30.6.2019

Increasing the quality of cut-outs and effectiveness of cutting electric sheets
Zvýšenie kvality výstrižkov a efektívnosti strihania elektroplechov
Program: SRDA
Project leader: RNDr. Džupon Miroslav PhD.
Annotation:Electric tractions (motors) are inseparable part of many devices from the motor for home appliances through the electric motors for machines and equipment to electric motors for electric vehicles. Most of these motors consist of the rotor and stator, which are based on the cut-outs from electrical sheets. The cut-outs are joined into the rotor and stator bundles. When making the bundles, the important factor is the quality of cutting surface, which also influences the additional operations. It also has a significant effect on the quality parameters of electric motors (size of losses by engine heating). The proposed project has the ambition to solve the optimization of the quality of cutting existing and new developed electrical sheets in context of the expected development of production of electric vehicles. The base of the experimental part is the verification of new tool materials (including uncoated ones) for the production of the active parts of cutting tools for the purpose of increasing the quality of cutting surface and tool life and thereby increasing the efficiency of production of cut-outs from electrical sheets.
Duration: 1.7.2015 - 30.6.2018

The total number of projects: 32