Abstract
The temperature and concentration dependences of the electrical resistivity of the nickel-chromium alloys in the liquid state have been studied. Experimental data suggest a nonlinear concentration dependence of the electrical resistivity isotherms of the studied alloys. The results of studies of the temperature and concentration dependencies of the electrical resistivity of nickel-chromium alloys allow determining the optimal conditions for the formation of microhomogeneous and the equilibrium structure of the melt. Using of percolation theory and quasichemical model of microheterogeneous structure of liquid metal alloys gives the possibility to explain the nature of the isotherms of the electrical resistivity of nickel-chromium melts. The process of structure formation of nickel-chromium melts with increasing chromium concentration has been presented in the form of schemes, reflecting the gradual formation of different clusters, featuring by their structure and size.
Highlights
EFFECT OF CHROMIUM CONCENTRATION ON THE STRUCTURE FORMATION PROCESS OF LIQUID CHROME-NICKEL ALLOYS
The results of studies of the temperature and concentration dependencies of the electrical resistivity of nickel-chromium alloys allow determining the optimal conditions for the formation of microhomogeneous and the equilibrium structure of the melt
Using of percolation theory and quasichemical model of microheterogeneous structure of liquid metal alloys gives the possibility to explain the nature of the isotherms of the electrical resistivity of nickel-chromium melts
Summary
EFFECT OF CHROMIUM CONCENTRATION ON THE STRUCTURE FORMATION PROCESS OF LIQUID CHROME-NICKEL ALLOYS A.G. Tyagunov 1, V.V. V’yukhin 1, G.V. Tyagunov 1, E.E. Baryshev 1, Yu.N. Akshentsev 2
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