Phase diagram

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Phase diagram for low pressure water: dark blue - water in liquid state, light blue - water vapor, white - ice, triple point - yellow, critical point - red. The green line corresponds to the vapor pressure of supercooled water Phase diagram for water in the pressure range up to 1 TPa: Numerous polymorphs of ice are visible Phase diagram of the iron-cementite (eutectic, peripytes, eutectoid)

Phase diagram (phase diagram) - for different phases of equilibrium - dependence of the composition of a given phase on the composition of another phase; Such a graph contains information on areas or coexistence points where there are several phases simultaneously.

Examples of phase diagrams: Phase diagrams for two-component liquid-solid systems that may contain areas of limited liquid and solid phase miscibility and one or more eutectic or peridermic points (for example, iron-carbon alloys, steel, cast iron). Phase diagrams for ternary systems, constructed using the Gibbs triangle (p, T = const). Authoritative control (graph):

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