MATEC Web Conf.
Volume 329, 2020International Conference on Modern Trends in Manufacturing Technologies and Equipment: Mechanical Engineering and Materials Science (ICMTMTE 2020)
|Number of page(s)||6|
|Published online||26 November 2020|
Kinetic regularities of alloying iron-carbon alloys with vanadium
1 Institute of New Materials and Technologies, Ural Federal University, 620002 Yekaterinburg, Russia
2 Department of Chemical Engineering, Ariel University, Ariel, 40700, Israel
* Corresponding author: email@example.com
The results of the vanadium reduction laboratory investigation are presented. Experiments were conducted with CaO-SiO2 -Al2 O3 -V2 O3 slags in a wide range of compositions in an air atmosphere. A saturated iron- carbon melt was used as a reducing agent. The reduction kinetics was studied by sampling. V2 O3 reduction from slags having a viscosity of more than 0.5 Pa⋅s and containing less than 7.5–8.0% V2 O3 proceeds in a diffusion mode. The reaction is of the first order in vanadium. The process rate is inversely proportional to the square root of slag viscosity. A good agreement between the obtained data and the results of electrochemical studies on the cathodic reduction of vanadium was found. One made possible to deduce the rate equation of vanadium reduction by an iron-carbon melt depending on the volume concentration, temperature and slag viscosity. The calculated data for different slags acceptably check with those found by experiment.
© The Authors, published by EDP Sciences, 2020
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