Search Results - "Král, Robert"

Effect of different c/a ratio on the microstructure and mechanical properties in magnesium alloys processed by ECAP by Minarik, Peter, Kral, Robert, Cizek, Jakub, Chmelik, Frantisek

“…Three magnesium alloys, AE21, AE42 and LAE442, were prepared by ECAP employing 1–12 passes. The microstructure evolution during ECAP was systematically…”
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Excellent superplastic properties achieved in Mg–4Y–3RE alloy in high strain rate regime by Vávra, Tomáš, Minárik, Peter, Veselý, Jozef, Král, Robert

“…This study is focused on high strain rate superplasticity of commercial magnesium alloy Mg–4Y–3RE (WE43) in ultrafine-grained condition prepared by equal…”
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Exceptional mechanical properties of ultra-fine grain Mg-4Y-3RE alloy processed by ECAP by Minárik, Peter, Veselý, Jozef, Král, Robert, Bohlen, Jan, Kubásek, Jiří, Janeček, Miloš, Stráská, Jitka

“…Precipitation hardenable WE43 magnesium alloy containing yttrium and rare earth elements was processed by ECAP. Microstructure, phase composition, mechanical…”
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Secondary phase precipitation and thermally stable microstructure refinement induced by ECAP on Mg-Y-Nd (WN43) alloy by Cabibbo, Marcello, Paoletti, Chiara, Minárik, Peter, Král, Robert, Zemková, Mária

“…•Nanoindentation allowed determining the local elastic modulus trend with ECAP.•Nanoindentation hardness increased by 30% respect to the as-extruded…”
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High-Temperature Fire Resistance and Self-Extinguishing Behavior of Cellular Graphene by Šilhavík, Martin, Kumar, Prabhat, Zafar, Zahid Ali, Král, Robert, Zemenová, Petra, Falvey, Alexandra, Jiříček, Petr, Houdková, Jana, Červenka, Jiří

“…The ability to protect materials from fire is vital to many industrial applications and life safety systems. Although various chemical treatments and…”
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Study on influence of growth conditions on position and shape of crystal/melt interface of alkali lead halide crystals at Bridgman growth by KRAL, Robert

“…Suitable conditions for growth of high quality single crystals of ternary alkali lead halides prepared by a Bridgman method were explored using direct…”
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Detection of the internal pressure in beer cans by measuring the force-displacement curves by Gabriel, Petr, Král, Robert, Beneš, Roman

“…Microbiological contamination of beer is manifested in many cases by the production of CO2 and an increase in its concentration. An increase in the…”
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Size and nitrogen inhomogeneity in detonation and laser synthesized primary nanodiamond particles revealed via salt-assisted deaggregation by Stehlik, Stepan, Henych, Jiri, Stenclova, Pavla, Kral, Robert, Zemenova, Petra, Pangrac, Jiri, Vanek, Ondrej, Kromka, Alexander, Rezek, Bohuslav

“…Detonation nanodiamonds (DND), their properties and deaggregation remain an active field of research. Here we innovated the salt-assisted ultrasonic…”
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Individual effect of Y and Nd on the microstructure formation of Mg-Y-Nd alloys processed by severe plastic deformation and their effect on the subsequent mechanical and corrosion properties by Zemková, Mária, Minárik, Peter, Dittrich, Jan, Bohlen, Jan, Král, Robert

“…This work investigated the effect of sole yttrium and neodymium alloying on the microstructure formation during severe plastic deformation by equal channel…”
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AE42 magnesium alloy prepared by spark plasma sintering by Minárik, Peter, Stráský, Josef, Veselý, Jozef, Lukáč, František, Hadzima, Branislav, Král, Robert

“…Rare-earth containing magnesium alloy AE42 was prepared by powder metallurgy technique of spark plasma sintering for the first time. The effect of sintering…”
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Nucleation Work on Curved Substrates by Kožíšek, Zdeněk, Král, Robert, Zemenová, Petra

“…Nucleation is the initial phase transition process when nuclei of a new phase form within an undercooled or supersaturated parent phase under appropriate…”
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Ignition-resistant Mg‐2Y‐2Gd‐1Ca alloy for aviation applications by Minárik, Peter, Hosová, Klára, Šašek, Stanislav, Kubásek, Jiří, Veselý, Jozef, Král, Robert, Čavojský, Miroslav, Stráská, Jitka, Vojtěch, Dalibor

“…Novel Mg‐2Y‐2Gd‐1Ca alloy was processed by extrusion or equal channel angular pressing (ECAP) to analyse the effect of the microstructure on ignition…”
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Spark plasma sintered Mg-4Y-3Nd with exceptional tensile performance by Knapek, Michal, Minárik, Peter, Greš, Adam, Zemková, Mária, Lukáč, František, Bohlen, Jan, Chmelík, František, Král, Robert

“…This work utilizes the spark plasma sintering (SPS) technique and exploits the physical mechanisms leading to the preparation of a fully compacted…”
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Effect of secondary phase particles on thermal stability of ultra-fine grained Mg-4Y-3RE alloy prepared by equal channel angular pressing by Minárik, Peter, Veselý, Jozef, Čížek, Jakub, Zemková, Mária, Vlasák, Tomáš, Krajňák, Tomáš, Kubásek, Jiří, Král, Robert, Hofman, Daniel, Stráská, Jitka

“…As-cast magnesium alloy WE43, containing yttrium and rare earth elements, was processed by equal channel angular pressing (ECAP). The processing led to a…”
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Novel Ultrafine-Grain Mg-Gd/Nd-Y-Ca Alloys with an Increased Ignition Temperature by Šašek, Stanislav, Minárik, Peter, Stráská, Jitka, Hosová, Klára, Veselý, Jozef, Kubásek, Jiří, Král, Robert, Krajňák, Tomáš, Vojtěch, Dalibor

“…Two novel ignition-resistant magnesium alloys, Mg-2Gd-2Y-1Ca and Mg-2Nd-1Y-1Ca, were prepared in the ultrafine-grain condition by equal channel angular…”
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Homogeneous nucleation and crystallization model of aluminum droplet based on isothermal DSC analysis by Kožíšek, Zdeněk, Král, Robert, Zemenová, Petra

“…The aluminum (Al) sample was studied using differential scanning calorimetry (DSC) at non-isothermal and isothermal conditions. The first non-isothermal…”
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Corrosion of pure magnesium and a WE43 magnesium alloy studied by advanced acoustic emission analysis by Knapek, Michal, Minárik, Peter, Čapek, Jan, Král, Robert, Kubásek, Jiří, Chmelík, František

“…The corrosion behaviour of magnesium and a WE43 magnesium alloy in a 1 M NaCl aqueous solution was studied by potentiodynamic polarisation and advanced…”
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Microstructure characterization of LAE442 magnesium alloy processed by extrusion and ECAP by Minarik, Peter, Kral, Robert, Pesicka, Josef, Danis, Stanislav, Janecek, Milos

“…The magnesium alloy LAE442 was processed by extrusion and equal channel angular pressing (ECAP) to achieve ultrafine grained microstructure. Detailed…”
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In-situ temperature field measurements and direct observation of crystal/melt at vertical Bridgman growth of lead chloride under stationary and dynamic arrangement by Král, Robert, Nitsch, Karel

“…Influence of growth conditions, i.e. temperature gradient in the furnace and the pulling rate, on the position and the shape of the crystal/melt interface…”
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Growth and Spectroscopic Properties of Pr3+ Doped Lu2S3 Single Crystals by Vaněček, Vojtěch, Jarý, Vítězslav, Král, Robert, Havlák, Lubomír, Vlk, Aleš, Kučerková, Romana, Průša, Petr, Bárta, Jan, Nikl, Martin

“…For the first time, Lu2S3 (undoped and Pr-doped) single crystals were successfully grown from a melt using a micropulling-down (mPD) technique. Customization…”
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