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phase diagram
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Phase equilibria for the solid, liquid and vapour states of a substance argon phase diagram phase diagrams of helium-3 and helium-4 Iron-carbon equilibrium diagram.
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Phase equilibria for the solid, liquid and vapour states of a substance

phase diagram

physics
Also known as: constitutional diagram, stability diagram
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phase diagram, graph showing the limiting conditions for solid, liquid, and gaseous phases of a single substance or of a mixture of substances while undergoing changes in pressure and temperature or in some other combination of variables, such as solubility and temperature. The Figure shows a typical phase diagram for a one-component system (i.e., one consisting of a single pure substance), the curves having been obtained from measurements made at various pressures and temperatures. At...

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