Search Results - "Vřesťál, J."

On the constitution and thermodynamic modelling of the system Zr-Ni-Sn by Sauerschnig, P., Grytsiv, A., Vrestal, J., Romaka, V.V., Smetana, B., Giester, G., Bauer, E., Rogl, P.

“…In continuation of our optimization of {Ti,Zr}NiSn-based thermoelectrics, we herein determined the constitution of the system Zr-Ni-Sn (liquidus surface and…”
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Ab initio study of formation energy and magnetism of sigma phase in Cr–Fe and Cr–Co systems by Pavlu, J, Vrestal, J, Sob, M

“…First-principles electronic structure calculations of total energy differences between the sigma phase and Reference States (RS) of pure constituents in Cr–Fe…”
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Thermodynamic modeling of Laves phases in the Cr–Hf and Cr–Ti systems: Reassessment using first-principles results by PAVLU, J, VREST'AL, J, SOB, M

“…The Cr–Hf and Cr–Ti belong to interesting systems exhibiting the existence of all polytypes of Laves phases, i.e. lower-temperature cubic C15 and…”
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Modelling of phase equilibria in the Hf-V system below room temperature by Vřesťál, J., Pavlů, J., Wdowik, U.D., Sob, M.

“…Phase transformation from orthorhombic HfV2 structure to cubic C15 Laves phase structure, which occurs during heating at about 114 K, is well known. In this…”
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Re-modeling of Laves phases in the Cr–Nb and Cr–Ta systems using first-principles results by Pavlu, J, Vrest'al, J, Sob, M

“…Total energies of Laves phases Cr 2X, CrX 2, CrCr 2 and XX 2 (X=Nb,Ta) in all three structural forms C14, C15 and C36 have been calculated ab initio by…”
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Synthesis, structure, stability and phase diagrams of selected bimetallic silver- and nickel-based nanoparticles by Pinkas, J., Sopoušek, J., Brož, P., Vykoukal, V., Buršík, J., Vřešťál, J.

“…An overview of the research on silver-based (Ag-Sn, Ag-Cu, Ag-Ni) and nickel-based (Cu-Ni, Au-Ni, Ni-Pt) bimetallic nanoparticles is presented. The…”
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Stability of Laves phases in the Cr–Zr system by PAVLU, J, VREST'AL, J, SOB, M

“…The total energies of Laves phases with various occupations of inequivalent lattice sites in all three structural forms C14, C15 and C36 have been calculated…”
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Experimental determination of phase equilibria and reassessment of Ag–Pd system by SOPOUSEK, Jiří, ZEMANOVA, A, VREST'AL, J, BROZ, P

“…The existing assessment of thermodynamic and phase equilibrium data in the Ag–Pd system was revised on the basis of calorimetric data for liquid Ag–Pd alloys…”
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Phase diagram prediction and particle characterization of Sn-Ag nano alloy for low melting point lead-free solders by Sopousek, J., Vrestal, J., Zemanova, A., Bursi, J.

“…SnAg nanoparticles (SnAg NPs) were prepared by wet synthesis. The chemical composition of the SnAg NPs was obtained by inductively coupled plasma - mass…”
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Thermodynamic modeling of Laves phases in the Ta–V system: Reassessment using first-principles results by Pavlů, J., Vřešt’ál, J., Chen, X.-Q., Rogl, P.

“…The Ta–V system is an interesting system exhibiting the existence of Laves phases among elements of the same group in the periodic system, and with an unusual…”
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The thermodynamic database COST MP0602 for materials for high-temperature lead-free soldering by Kroupa, A., Dinsdale, A., Watson, A., Vrestal, J., Zemanova, A., Broz, P.

“…The current state of thermodynamic modelling in the field of high-temperature lead-free soldering is presented. A consistent thermodynamic database, containing…”
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The development of the COST 531 lead-free solders thermodynamic database by Kroupa, A., Dinsdale, A. T., Watson, A., Vrestal, J., Vízdal, J., Zemanova, A.

“…A semi-empirical approach is used for the modeling of thermodynamic properties, and consequently forthecalculation of phase diagrams and the prediction of…”
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First-principles calculations of energetics of sigma phase formation and thermodynamic modelling in the Cr–Fe–W system by CHVATALOVA, K, VREST'AL, J, HOUSEROVA, J, SOB, M

“…Ab initio total energies of the alloy sigma phase in Cr–W and Fe–W systems were calculated by means of the linear muffin-tin orbital method in the atomic…”
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Application of ab initio electronic structure calculations for prediction of phase equilibria in superaustenitic steels by Vřešt’ál, J., Kroupa, A., Šob, M.

“…Our recent results of the application of ab initio electronic structure calculations to the modeling of phase equilibria in binary and ternary transition-metal…”
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Experimental investigation and thermodynamic calculation of the Cu–In–Sb phase diagram by Manasijević, D., Minić, D., Živković, D., Vřešt’ál, J., Aljilji, A., Talijan, N., Stajić-Trošić, J., Marjanović, S., Todorović, R.

“…The phase diagram of the Cu–In–Sb ternary system is of importance in predicting the interface reaction between In-based solder materials and the Cu substrate…”
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The system Ta–V–Si: Thermodynamic modeling by Broz, P., Khan, A.U., Niu, H., Chen, X.-Q., Li, D., Vrestal, J., Bursik, J., Rogl, P.

“…Based on previously evaluated experimental data for two isothermal sections of the Ta–V–Si system at 1500°C and 1200°C, thermodynamic modeling of the ternary…”
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First-principles calculations of energetics of sigma phase formation and thermodynamic modelling in Fe–Ni–Cr system by Chvatalova, K, Houserova, J, Sob, M, Vrest'al, J

“…A combination of full-potential linear augmented plane-wave (FLAPW) electronic structure method (for elemental constituents) with simpler linear muffin-tin…”
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Assessment of the thermodynamic properties and phase diagram of the Bi–Pd system by Vřešt’ál, J., Pinkas, J., Watson, A., Scott, A., Houserová, J., Kroupa, A.

“…New experimental DTA, XRD, SEM, solution calorimetry and ab initio calculated results are used together with data from the literature to assess the…”
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Phase diagram in the iron-rich corner of the Fe-Cr-Mo-V-C system below 1000 K by KROUPA, A, HAVRANKOVA, J, COUFALOVA, M, SVOBODA, M, VREST'AL, J

“…Relevant experimental phase equilibria were used with the THERMOCALC program to refine thermodynamic parameters for the low-temperature region, in the steels…”
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On the synthesis of Bi-based precursors for lead-free solders development by Gandova, V., Lilova, K., Malakova, H., Huber, B., Milcheva, N., Ipser, H., Vrestal, J., Vassilev, G.

“…Preliminary studies on the design of lead-free solders precursors by wet chemistry methods are presented. The main objective is to assess the impact of the way…”
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