Viera Homolová, Aleš Kroupa, Adéla Zemanová, František Kromka
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The Reassessment of the Thermodynamic Description of the B-Fe-V System with Focus on the Ternary Phase
In the present work, an update of experimental knowledge and the thermodynamic description of the ternary B-Fe-V system was done with a focus on the V2FeB2 ternary phase. For this purpose, several alloys containing the ternary phase were prepared and were investigated after long-term annealing at 600 and 1080 °C by the methods of scanning electron microscopy, x-ray diffraction, and differential thermal analysis. The obtained results and knowledge about the ternary phase were used to improve the description of the boron-iron-vanadium ternary system. A new model for the ternary phase was used. The thermodynamic parameters for the VB, V3B4, and Fe2B borides were also modified. The calculation performed using the new thermodynamic database achieved a very good agreement with the experimental results.
期刊介绍：
The most trusted journal for phase equilibria and thermodynamic research, ASM International''s Journal of Phase Equilibria and Diffusion features critical phase diagram evaluations on scientifically and industrially important alloy systems, authored by international experts.
The Journal of Phase Equilibria and Diffusion is critically reviewed and contains basic and applied research results, a survey of current literature and other pertinent articles. The journal covers the significance of diagrams as well as new research techniques, equipment, data evaluation, nomenclature, presentation and other aspects of phase diagram preparation and use.
Content includes information on phenomena such as kinetic control of equilibrium, coherency effects, impurity effects, and thermodynamic and crystallographic characteristics. The journal updates systems previously published in the Bulletin of Alloy Phase Diagrams as new data are discovered.
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