Abstract
Made analysis of special peculiarities and regularities of reactions of titanium carbide, alloyed on metalloid sub lattice (N, O) with nickel melt. There was established that partial replacement of carbon in TiC on nitrogen decreases velocity of it dissolution in nickel, and increases degree of incongru- ence of process (preemptive, in comparison with titanium, transition into carbon melt). Concentration dependence of dissolution rate TiC x N z in nickel changes their sign on opposite with approximation of system to equilibrium. Carbonitrile of titanium as single phase is not recrystallized through nickel melt, dominantly has place recrystallization of its carbide constituent. There was elucidated that partial replacement of carbon in TiC on oxy- gen increases velocity of its dissolution in nickel. Process of dissolution of oxycarbide TiC 0,6 O 0,4 in nickel is accompanied by graduate loss of it carbon, up to formation of titanium mono oxide, and further its disproportionation. Peculiarity of interaction mechanism of titanium oxycarbide with nickel melt is determined by reaction in liquid phase [C] + [O] = CO .
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Schedule a callMore From: Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya (Proceedings of Higher Schools. Powder Metallurgy аnd Functional Coatings)
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