Abstract
The article presents the results of obtaining complex-alloyed aluminum-zirconium alloys by aluminothermy of initial metal oxides. Aluminum-matrix Al-Zr-W alloys have been obtained by a metal-thermal reduction with an excessive amount of aluminum in the initial charge of zirconium and tungsten oxides. The process of synthesis is presented as partial reduction reactions of zirconium, tungsten and synthesis of intermetallic compounds. It is shown that thermodynamic parameters of the reactions are favorable for the process of formation of refractory metal alloys. It is found that the temperature reached during the melting process makes it possible to obtain intermetallids and to synthesize alloys at the out-of-furnace process in the form of a compact ingot. The composition of the alloys obtained has been determined by an X-ray phase and an element analysis. It is established that the alloys have a composite structure: intermetallides Al3Zr and Al4W are distributed in the aluminum matrix.
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