Contacts
Intranet
SK
National
| Štruktúra a aplikačné vlastnosti intermetalických zliatin | |
| Structure and application properties of intermetallic alloys | |
| Program: | VEGA |
| Project leader: | doc. Ing. Milkovič Ondrej, PhD. |
| Duration: | 1.1.2022 – 31.12.2024 |
| Príprava a vývoj nanokryštalického kompozitu na báze Cu určeného pre vysokoteplotné aplikácie | |
| Preparation and development of nanocrystalline Cu-based composite for high-temperature applications | |
| Program: | VEGA |
| Project leader: | doc. Ing. Milkovič Ondrej, PhD. |
| Duration: | 1.1.2019 – 31.12.2021 |
| FOROPTIMAT – Výskum vplyvu inovácií postupov výroby na životnosť nástrojov a komponentov lesných mechanizmov | |
| Research on the impact of process innovation on lifespan of forestry machinery tools and components | |
| Program: | SRDA |
| Project leader: | RNDr. Džupon Miroslav, PhD. |
| Annotation: | Project is focused on research on the impact of process innovation on lifespan of forest machines tools and components. During the project it will be elaborated a comprehensive analysis of the current status in using of working tools and components from material and technology points of view. In order to find stress-strain state of tools and components it will be performed FEM analysis. Further, it will be performed state material analysis of specimens to examine their physical and mechanical properties, microstructure characteristic and resistance to abrasive wear. Based on the results of aforementioned analyzes it will be proposed and applied innovative methods of production technology and surface treatments procedures for exposed functional areas in order to increase their function life. In order to comparison the same experimental tests on specimens will be repeated. Based on the results of comparison, it will be carried out selection of optimal innovative procedures. Selected procedures will be applied and tested in the operating conditions of forestry. It is expected that implementation of the results of applied research will increase lifespan of forest machines tools and components thereby reducing their maintenance costs and purchase costs. |
| Duration: | 1.7.2017 – 31.12.2020 |
| Vývoj a výskum kovových skiel a nanokryštalických materiálov | |
| Development and research on metallic glasses and nanocrystalline materials | |
| Program: | VEGA |
| Project leader: | doc. Ing. Saksl Karel, DrSc. |
| Duration: | 1.1.2016 – 31.12.2018 |
| AMETIST – Biologicky odbúrateľné kovové materiály pripravené práškovými technológiami | |
| Biodegradable metallic materials prepared by powder technologies | |
| Program: | SRDA |
| Project leader: | RNDr. Kupková Miriam, CSc. |
| Project webpage: | http://ametist.saske.sk |
| Duration: | 1.7.2012 – 31.12.2015 |
| Štúdium štruktúry a teplotnej stability kovových skiel a nanokryštalických materiálov. | |
| Study of microstructure and thermal stability of metallic glasses and nanocrystalline materials | |
| Program: | VEGA |
| Project leader: | Ing. Ďurišin Juraj, CSc. |
| Annotation: | Project is oriented on study microstructure and thermal stability of the selected metallic alloys with disorderedstructure. One group will be alloys with high disordered structure in particular metallic glasses based on Zr. Thesecond group will be materials which structure is partially disordered, dispersion strengthened nanocrystallinecomposites based on Cu and Al. Macro and microstructure, thermal stability and local mechanical properties ofthese materials will be characterized by means of standard methods applicable in material science: opticalmicroscopy, scanning electron microscopy, transmission electron microscopy, simultaneous thermal analysis,X-ray diffraction, micro and nanoindentation. Atomic structure and thermal stability of the metallic glasses will becomplexly characterized. Experimental data will be obtained by advanced techniques like: high energy X-raydiffraction, X-ray absorption spectroscopy measured at absorption edges of elements present in the sampleand/or neutron diffraction |
| Duration: | 1.1.2013 – 31.12.2015 |
| BIMETAL – Štúdium zvarov a tepelne ovplyvnených zón bimetalov | |
| Study of welds and heat effected zones of bimetals | |
| Program: | SRDA |
| Project leader: | doc. Ing. Saksl Karel, DrSc. |
| Annotation: | The main aim of the presented project are consultations of reached results of welds analysesand heat influenced zones of industrially and explosively welded bimetals by use of X-raydiffraction utilizing synchrotron source and comparison of our results from light and electronmicroscopy (SEM) with results obtained in the ÚMV SAV Košice. Czech side could realisemechanical tests (fatigue, hydrogen induced cracking, light microscopy and basic fracturesurfaces evaluation and structural phases using SEM). The Slovak side could first of all securenon-destructive material evaluation, then welds (analyses using synchrotron, transmissionelectron microscopy, EBSD and X-ray diffraction). From mechanical tests the ÚMV SAV Košice would be focused on local mechanical properties. During solution experiences from field which have had a long time tradition on both sides would be exchange. Two material types (Ti + anticorrosion steel and Ti + C-Mn steel) after two heat treatment ways and tested at two fatigue life time types and evaluated on hydrogen response (hydrogen induced cracking, then HIC according NACE Standart TM 0284-2011) would be taken into consideration. |
| Duration: | 1.1.2015 – 31.12.2015 |
| Štruktúrna stabilita nanokryštalických kovových materiálov pripravených progresívnou práškovou technológiou | |
| Structure stability of nanocrystalline metal materials prepared by progressive powder technology | |
| Program: | VEGA |
| Project leader: | Ing. Ďurišin Juraj, CSc. |
| Annotation: | Creation and development of the ultrafine structured powders with metallic matrix and secondary phase, preparedby progressive technology based on mechano-chemical processes combining phase transformation, refinementof a matrix and homogenization of secondary phase in one operation. Analysis of dispersed particles, theirinfluence on the powder nanostructure thermal stabilization, suppression of fast grain coarsening during sinteringprocess as well as at the straining material at high temperatures. Analysis of particle/matrix interfaces in the lightof effective mechanism of grain boundaries strengthening. Elucidation of the mechanisms among the production,microstructure and microhardness at bulk nanocrystalline materials designed for high-temperature applications. |
| Duration: | 1.1.2010 – 31.12.2012 |
| Štúdium štruktúry nanokryštalických disperzne spevnených materiálov s kovovou matricou | |
| Microstructural study of nanocrystaline, dispersion strengthened metal matrix materials | |
| Program: | VEGA |
| Project leader: | Ing. Ďurišin Juraj, CSc. |
| Duration: | 1.1.2007 – 31.12.2009 |