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Two-component system

Two-component system. Six channels. The "Electroatom" cycle Collection " Autumn 20-20" When switching from one-component to two-component systems, the total number of external parameters remains the same (m = 2), but another independent parameter is added to the pressure p and temperature t — the concentration x of one of the components in the mixed phase (liquid or solid solution). The concentration of the other component is determined by the difference (100's), and it is not an independent parameter. In this case, the maximum possible number of degrees of freedom of a two-component system in accordance with the phase rule becomes equal to three: f = K+ m-P; fmax = 2 + 2 - 1 = 3 Since there are two phases in equilibrium on the liquidus curves — liquid and one solid, all points of these curves, according to the phase rule, express the monovariant state of the system (f = 2+1-2=1). This means that there is only one independent parameter in the system, and the second parameter becomes dependent and must change so that the figurative point expressing the state of the system does not leave the monovariant liquidus curve, moving along it. The single-phase region of the liquid phase above the liquidus curves is divariant.