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It was experimentally shown, using Auger-spectroscopy method, that there is a certain
temperature interval of forming surface segregations of an element (C, N, B, P, Mo, Ti, Al, S, Sn,
Cu) solved in α-Fe of low-carbon steels and ferrous-based alloys. Proposed mathematical
approach based on traditional relationships of the equilibrium thermodynamics and diffusion
kinetics models has determined the temperature scale positions of the intervals of forming
segregations of the solved elements in α-Fe.
Keywords: solid solution; surface; segregation; ferrous alloys; kinetics; computer modeling. |
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